ниже приведены номера патентов и патентообладатели на различные ячейки и их производные (составляющие). более подробно можно искать в www.google.com/patents или на странице
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3M (Minnesota Mining and Manufacturing Company)
11/18/03 US6649295: Membrane electrode assembly having annealed polymer electrolyte membrane
9/2/03 US6613106: Membrane electrode assemblies
5/27/03 US6569559: Method for transferring thermal energy and electrical current in thin-film electrochemical cells PEM
5/6/03 US6559237: Sulfonated perfluorocyclobutane ion-conducting membranes
4/29/03 US6555261: Microstructured flow fields
4/15/03 US6547229: Stacking apparatus and method for laminated products and packaging
11/19/02 US6482763: Suboxide fuel cell catalyst for enhanced reformate tolerance
8/13/02 US6432571: Membrane electrode assemblies
8/9/02 US6428584: Membrane electrode assemblies
7/30/02 US6425993: Membrane electrode assembly and method of its manufacture
7/23/02 US6423784: Acid functional fluoropolymer membranes and method of manufacture
5/21/02 US6391182: Electrochemical fluorination using interrupted current
11/20/01 US6319293: Membrane electrode assembly
8/28/01 US6280883: Bis (perfluoralkanesulfonyl)imide surfactant salts in electrochemical systems
7/31/01 US6267865: Electrochemical fluorination using interrupted current
5/29/01 US6238534: Hybrid membrane electrode assembly
2/6/01 US6183668: Membrane electrode assemblies
10/24/00 US6136412: Microtextured catalyst transfer substrate
3/28/00 US6042959: Membrane electrode assembly and method of its manufacture
3/21/00 US6040077: Catalyst for membrane electrode assembly and method of making
6/8/99 US5910378: Membrane electrode assemblies
3/9/99 US5879828: Membrane electrode assembly
3/9/99 US5879827: Catalyst for membrane electrode assembly and method of making
Avista Labs (changed name to ReliOn, )
10/7/03 US6630259: Fuel cell power system performing AC inversion, method of distributing AC power, and method of operating a fuel cell power system
9/16/03 US6620538: Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell
4/22/03 US6550304: Method of compensating a MOS gas sensor, method of manufacturing a MOS gas sensor, MOS gas sensor, and fuel cell system
12/24/02 US6497974: Fuel cell power system, method of distributing power, and method of operating a fuel cell power system
10/22/02 US6468682: Ion exchange membrane fuel cell
8/6/02 US6428918: Fuel cell power systems, direct current voltage converters, fuel cell power generation methods, power conditioning methods and direct current power conditioning methods
5/14/02 US6387556: Fuel cell power systems and methods of controlling a fuel cell power system
5/7/02 US6383556: Method for forming a membrane electrode diffusion assembly for use in an ion exchange membrane fuel cell
4/17/01 US6218035: Proton exchange membrane fuel cell power system
8/1/00 US6096449: Fuel cell and method for controlling same
2/29/00 US6030718: Proton exchange membrane fuel cell power system
go to Ballard page
California Institute of Technology
7/8/03 US6589684: Direct methanol feed fuel cell and system
11/26/02 US6485851: Power generation in fuel cells using liquid methanol and hydrogen peroxide
9/3/02 US6444341: Polymer electrolyte membrane assembly for fuel cells
8/13/02 US6432284: Hydrogen generation by electrolysis of aqueous organic solutions
7/16/02 US6420059: Direct methanol feed fuel cell and system
5/21/02 US6391486: Fabrication of a membrane having catalyst for a fuel cell
10/16/01 US6303244: Direct methanol feed fuel cell and system
10/9/01 US6299744: Hydrogen generation by electrolysis of aqueous organic solutions
9/18/01 US6291093: Fuel cell elements with improved water handling capacity
8/21/01 US6277447: Direct deposit of catalyst on the membrane of direct feed fuel cells
7/24/01 US6265093: Direct methanol feed fuel cell and system
7/3/01 US6254748: Direct methanol feed fuel cell and system
5/01/01 US6221523: Direct deposit of catalyst on the membrane of direct feed fuel cells
Daimler (Daimler-Benz, DaimlerChrysler) Stuttgart, Germany
11/11/03 US6646413: Fuel cell system and method for operating the fuel cell system "means for electrically switching the fuel cell unit on and off depending on the available quantity of fuel"
10/29/02 US6472091: Fuel cell system and method for supplying electric power in a motor vehicle
11/6/01 US6311650: Vehicle having a driving internal-combustion engine and having a fuel cell system for the power supply to electric consuming devices of the vehicle and method for operating such a vehicle
7/24/01 US6264856: Three-step reforming reactor especially for mobile fuel cell
09/12/00 US6117580: Current collector for an FC and method of making the same
8/18/98 US5794732: Apparatus and method for starting a fuel cell vehicle
Delphi
1/20/04 US6680136: Gas containment/control valve for a solid oxide fuel cell
12/2/03 US6655325: Power generation system and method with exhaust side solid oxide fuel cell "Fuel is burned in an engine in the presence of air. The engine exhaust passes through a solid oxide fuel cell where it is consumed in the production of electricity and ionization of oxygen in an air stream also introduced to the solid oxide fuel cell"
10/28/03 US6638416: Hydrogen sensing process
10/7/03 US6630264: Solid oxide fuel cell process gas sampling for analysis
9/30/03 US6627339: Fuel cell stack integrated with a waste energy recovery system
9/16/03 US6620535: Strategies for preventing anode oxidation
9/2/03 US6613469: Fluid distribution surface for solid oxide fuel cells
9/2/03 US6613468: Gas diffusion mat for fuel cells SOFC
8/19/03 US6608463: Solid-oxide fuel cell system having an integrated air supply system
7/1/03 US6585944: Enhancement of the OSC properties of Ce-Zr based solid solutions SOFC
5/13/03 US6562502: Fuel cell hot zone pressure regulator
5/13/03 US6562496: Integrated solid oxide fuel cell mechanization and method of using for transportation industry applications
4/22/03 US6551734: Solid oxide fuel cell having a monolithic heat exchanger and method for managing thermal energy flow of the fuel cell
1/21/03 US6509113: Fluid distribution surface for solid oxide fuel cells
12/31/02 US6500574: Method and apparatus for a fuel cell based fuel sensor SOFC
11/26/02 US6485852: Integrated fuel reformation and thermal management system for solid oxide fuel cell systems
9/24/02 US6455185: Reformate control valve assembly for a fuel cell
11/20/01 US6321145: Method and apparatus for a fuel cell propulsion system
Dow Chemical Company
4/15/03 US6548203: Cathode composition for solid oxide fuel cell
11/20/01 US6319626: Cathode composition for solid oxide fuel cell
11/6/01 US6312845: Macroporous flow field assembly
5/08/01 US6228520: Consinterable ceramic interconnect for solid oxide fuel cells
9/12/00 US6117582: Cathode composition for solid oxide fuel cell
-More at uspto.gov
DuPont E. I. du Pont Nemours and Co., Wilmington, DE
1/20/04 US6680406: Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide
3/27/03 20030059666 Anode electrocatalysts for coated substrates used in fuel cells "comprising tungsten and molybdenum carbides and/or oxycarbides, or their mixtures in combination with noble metals, such as platinum and ruthenium; and a metal selected from the group consisting of V, Nb, Ta, Cr, Mn, Fe, Re, Co, Ni, Cu, and mixtures thereof" du Pont
4/30/02 US6379795: Injection moldable conductive aromatic thermoplastic liquid crystalline polymeric compositions hydrogen or direct methanol fuel cells
9/11/01 US6287722: Continuous melt process for fabricating ionically conductive articles
11/9/99 US5981097: Multiple layer membranes for fuel cells employing direct feed fuels
7/6/99 US5919583: Membranes containing inorganic fillers and membrane and electrode assemblies and electrochemical cells employing same DMFC
8/25/98 US5798188: Polymer electrolyte membrane fuel cell with bipolar plate having molded polymer projections
8/18/98 US5795668: Fuel cell incorporating a reinforced membrane DMFC
9/30/97 US5672438: Membrane and electrode assembly employing exclusion membrane for direct methanol fuel cell
12/28/93 US5273694: Process for making ion exchange membranes and films
Dynetek
1/13/04 US6676163: Replaceable fuel system module and method "A unitary fuel system module comprising one or more fuel cylinders mounted to a frame as a module, preferably through neck-mounts, and having fueling lines for connecting the fuel cylinders to the vehicle"
11/25/03 US6651307: Process for manufacturing a pre-stressed fiber-reinforced high pressure vessel
go to Energy Conversion Devices page
Ford Motor Company (including Ford Global Technologies, Inc.) (NYSE:F)(Dearborn, MI)
11/25/03 US6651623: Method and system for measuring air/fuel ratio in a hydrogen fueled internal combustion engine
9/30/03 US6628006: System and method for recovering potential energy of a hydrogen gas fuel supply for use in a vehicle
8/19/03 US6606982: Crankcase ventilation system for a hydrogen fueled engine
7/15/03 US6591926: System and method for recovering energy of a hydrogen gas fuel supply for use in a vehicle
6/17/03 US6580977: High efficiency fuel cell and battery for a hybrid powertrain
12/17/02 US6495279: Ultrahigh power density miniaturized solid-oxide fuel cell
12/17/02 US6495279: Ultrahigh power density miniaturized solid-oxide fuel cell
11/5/02 US6475268: Supported membrane for hydrogen separation
6/18/02 US6406805: Method for storing purged hydrogen from a vehicle fuel cell system
4/30/02 US6378636: Method and system for providing for vehicle drivability feel after accelerator release in an electric or hybrid electric vehicle
4/9/02 US6368735: Fuel cell power generation system and method for powering an electric vehicle
12/11/01 US6329091: Fuel reformer system for a fuel cell
9/25/01 US6294128: Method of making a supported plurality of electrochemical extruded membranes
9/18/01 US6290594: System and method for ventilating hydrogen gas from a vehicle
10/4/83 US4407902: Chemically regenerable redox fuel cell and method of operating the same
3/25/80 US4195119: Fuel cell
4/20/76 US3951689: Alkali metal/sulfur cell with gas fuel cell electrode
FuelCell Energy Inc. (NASDAQ:FCEL) (formerly Energy Research Corporation)
11/11/03 US6645657: Sol-gel coated cathode side hardware for carbonate fuel cells
3/11/03 US6531237: Manifold and sealing assembly for fuel cell stack
2/4/03 US6514636: Ultra-smooth dielectric members for liquid electrolyte fuel cells
12/10/02 US6492045: Corrugated current collector for direct internal reforming fuel cells
10/8/02 US6461756: Retention system for fuel-cell stack manifolds
7/2/02 US6413665: Fuel cell stack compression system
6/25/02 US6410161: Metal-ceramic joint assembly
4/16/02 US6372374: Bipolar separator plate with improved wet seals
4/2/02 US6365290: High-efficiency fuel cell system hybrid fuel cell system in which a fuel cell and a heat engine are employed
3/13/01 US6200696: Internal reforming fuel cell assembly with simplified fuel feed
12/12/00 US6159627: Bipolar separator for use in a fuel cell assembly
2/9/99 US5869203: Electrolyte matrix for molten carbonate fuel cells
12/3/96 US5580673: Carbonate fuel cell matrix
9/10/96 US5554453: Carbonate fuel cell system with thermally integrated gasification
6/6/95 US5422195: Carbonate fuel cell with direct recycle of anode exhaust to cathode
12/29/92 US5175062: Reforming unit for fuel cell stack
5/5/92 US5110692: Gasket for molten carbonate fuel cell
go to General Motors page
Gore (W. L. Gore & Associates; Gore Enterprise Holdings, Inc.)(Maker of GoreTex)
10/21/03 US6635384: Solid electrolyte composite for electrochemical reaction apparatus
9/2/03 US6613203: Ion conducting membrane having high hardness and dimensional stability
8/26/03 US6610436: Catalytic coatings and fuel cell electrodes and membrane electrode assemblies made therefrom
5/14/02 RE37,701 Integral composite membrane
4/16/02 RE37,656 Electrode apparatus containing an integral composite membrane
10/9/01 US6300000: Fuel cell membrane electrode assemblies with improved power outputs and poison resistance
9/11/01 US6287717: Fuel cell membrane electrode assemblies with improved power outputs
8/7/01 RE37,307 Ultra-thin integral composite membrane
6/5/01 US6242135: Solid electrolyte composite for electrochemical reaction apparatus
4/3/01 US6210789: Electrically conductive composite article
10/10/00 US6130175: Integral multi-layered ion-exchange composite membranes
10/3/00 US6127059: Gas diffusion layer for solid polymer electrolyte fuel cell
4/25/00 US6054230: Ion exchange and electrode assembly for an electrochemical cell
12/28/99 US6007932: Tubular fuel cell assembly and method of manufacture
Graftech
8/12/03 US6605379: Hydrophobic fuel cell electrode
6/24/03 US6582846: Method for preparing fuel cell component substrate of flexible graphite material having improved catalytic properties
4/15/03 US6548156: Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity
3/4/03 US6528199: Graphite article useful as an electrode for an electrochemical fuel cell
2/11/03 US6517964: Catalyst support material for fuel cell
1/7/03 US6503652: Fuel cell assembly method with selective catalyst loading
7/3/01 US6254993: Flexible graphite sheet with decreased anisotropy
H Power (acquired by Plug Power, Q1 2003)
(NASDAQ: HPOW)(Belleville, NJ)
7/25/00 US6093501: Fuel cell using an aqueous hydrogen-generating process
4/18/00 US6051331: Fuel cell platelet separators having coordinate features
4/11/00 US6048634: Fuel cell using water-soluble fuel
2/22/00 US6028414: Fuel cell stand-by energy supply system (H Power Enterprises of Canada Inc.)
7/20/99 US5925322: Fuel cell or a partial oxidation reactor or a heat engine and an oxygen-enriching device and method therefor
1/26/99 US5863671: Plastic platelet fuel cells employing integrated fluid management
1/12/99 US5858567: Fuel cells employing integrated fluid management platelet technology
11/24/98 US5840270: Catalytic method of generating hydrogen
4/7/98 US5776625: Hydrogen-air fuel cell
9/28/97 US6051331: Fuel cell platelet separators having coordinate features
6/7/95 US5690902: Hydrogen-powered automobile with in situ hydrogen generation
go to Honda page
Hybrid Power Generation Systems, LLC Los Angeles
11/18/03 US6649031: Corrosion resistant coated fuel cell bipolar plate with filled-in fine scale porosities and method of making the same
10/21/03 US6635378: Fuel cell having improved condensation and reaction product management capabilities
10/14/03 US6632554: High performance cathodes for solid oxide fuel cells
7/8/03 US6589681: Series/parallel connection of planar fuel cell stacks
6/3/03 US6572997: Nanocomposite for fuel cell bipolar plate
5/6/03 US6558831: Integrated SOFC
4/29/03 US6555262: Wicking strands for a polymer electrolyte membrane
4/1/03 US6541146: Composite sealant materials based on reacting fillers for solid oxide fuel cells
12/31/02 US6500578: Stacking and manifolding of angularly offset, unitized solid oxide fuel cells
Hydrogenics
< TSE: HYG | NASDAQ:HYGS | homepage | yahoo profile >
Issued Patents:
1/6/04 US6673479: System and method for enabling the real time buying and selling of electricity generated by fuel cell powered vehicles
9/16/03 US6619054: Condenser for dehumidifying gas
8/5/03 US6602625: Fuel cell with dual end plate humidifiers
4/1/03 US6541141: Water recovery in the anode side of a proton exchange membrane fuel cell Hydrogenics
2/11/03 US6519539: Measurement of fuel cell impedance
8/20/02 US6436563: Water recovery, primarily in the cathode side, of a proton exchange membrane fuel cell
5/4/99 CA2219553: HYBRID SELF-CONTAINED HEATING AND ELECTRICAL POWER SUPPLY INCORPORATING A HYDROGEN FUEL CELL, A THERMOELECTRIC GENERATOR AND A CATALYTIC BURNER
5/19/98 US5753383: Hybrid self-contained heating and electrical power supply process incorporating a hydrogen fuel cell, a thermoelectric generator and a catalytic burner
Patent Applications (date is of filing (CA), publication (US)):
5/15/03 US20030091880 Novel unitized regenerative fuel cell with bifunctional fuel cell humidifier and water electrolyzer
3/27/03 Back pressure valve with dynamic pressure control
2/13/03 US20030031906: Regenerative dryer device and method for water recovery, primarily in the cathode side, of a proton exchange membrane fuel cell
8/4/00 CA2315576: WATER RECOVERY, PRIMARILY IN THE CATHODE SIDE, OF A PROTON EXCHANGE MEMBRANE FUEL CELL
8/4/00 CA2315139: CATALYTIC HUMIDIFIER AND HEATER FOR THE FUEL STREAM OF A FUEL CELL Patent also applied for at USPTO
8/4/00 CA2315138: FUEL CELL WITH DUAL END PLATE HUMIDIFIERS
8/4/00 CA2315135: METHOD AND APPARATUS FOR HUMIDIFICATION AND TEMPERATURE CONTROL OF INCOMING FUEL CELL PROCESS GAS Patent also applied for at USPTO
8/4/00 CA2315134: WATER RECOVERY IN THE ANODE SIDE OF A PROTON EXCHANGE MEMBRANE FUEL CELL
8/4/00 CA2315133: CATALYTIC HUMIDIFIER AND HEATER, PRIMARILY FOR HUMIDIFICATION OF THE OXIDANT STREAM FOR A FUEL CELL
IdaTech (subsidiary of IdaCorp, a utility in Oregon)
12/23/03 US6667128: Fuel cells and fuel cell systems containing non-aqueous electrolytes
10/14/03 US6632270: Hydrogen purification membranes, components and fuel processing systems containing the same
7/22/03 US6596057: Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the same
5/27/03 US6569227: Hydrogen purification devices, components and fuel processing systems containing the same
5/13/03 US6562111: Hydrogen purification devices, components and fuel processing systems containing the same
4/15/03 US6547858: Hydrogen-permeable metal membrane and hydrogen purification assemblies containing the same
3/25/03 US6537352: Hydrogen purification membranes, components and fuel processing systems containing the same
12/17/02 US6495277: Fuel cell system controller
10/15/02 US6465118: System and method for recovering thermal energy from a fuel processing system
10/1/02 US6458189: Hydrogen-selective metal membrane modules and method of forming the same
9/17/02 US6451464: System and method for early detection of contaminants in a fuel processing system
4/23/02 US6376113: Integrated fuel cell system
4/24/01 US6221117: Hydrogen producing fuel processing system
11/28/00 US6152995: Hydrogen-permeable metal membrane and method for producing the same
Johnson Matthey (UK)
1/13/04 US6677073: Non-woven fiber webs "A gas diffusion substrate, electrode and membrane electrode assembly comprising said web"
4/29/03 US6555259: Catalytic generation of hydrogen
3/11/03 US6531240: Gas diffusion substrates PEM
11/26/02 US6485856: Non-woven fiber webs "Also disclosed is an ion-conducting membrane comprising said non-woven web"
6/11/02 US6403049: Hydrogen purification
2/26/02 US6350297: Gas separation devices
3/27/01 US6207307: Carbon monoxide removal from a reformate gas
3/28/00 US6042958: Composite membranes
12/26/00 US6165643: Hydrogen storage materials
1/4/00 US6010606: Gas diffusion electrodes
9/21/99 US5955044: Method and apparatus for making ultra-pure hydrogen
8/17/99 US5939220: Catalyst
2/19/99 US5871860: Manufacture of electrodes
3/26/96 US5501915: Porous electrode for electrode assemblies in a fuel cell
9/21/93 US5246791: Fuel cell containing a reforming catalyst
Manhattan Scientifics
11/11/03 US6645651: Fuel generator with diffusion ampoules for fuel cells Inventor: Robert Hockaday, et. al. No assignee.
10/7/03 US6630266: Diffusion fuel ampoules for fuel cells
8/12/03 US6605381: Polymer-electrolyte membrane fuel cell
4/8/03 US6544400: Portable chemical hydrogen hydride system Manhattan Scientifics
12/4/01 US6326097: Micro-fuel cell power devices
Patents obtained by Energy Related Devices & transferred to Manhattan Scientifics
2/27/01 US6194095: Non-bipolar fuel cell stack configuration
6/2/98 US5759712: Surface Replica Fuel Cell with Power Pack Two further US fuel cell patents pending 31 Non-US patents in progress
5/20/97 US5631099: Surface Replica Fuel Cell
1/9/96 US5482568: Micro Mirror Photovoltaic Cells
6/16/87 US4673624: Fuel Cell - Improvement patents pending
Trademarks held by ERD/MHTX
Micro-Fuel Cell
Micro Fuel Green Cell Power Holster Hockaday Fuel Cell
Matsushita
12/9/03 US6660424: Fuel cell and method of manufacture thereof
12/9/03 US6660419: Solid polymer electrolyte fuel cell "improved separator plate"
10/28/03 US6638655: Fuel cell system PEM
8/19/03 US6607703: Hydrogen generator
6/17/03 US6579639: Polymer electrolyte fuel cell "a water repellent layer interposed between the catalyst layer and the electrode supporting material"
6/17/03 US6579347: Method for removing sulfur compound present in city gas odarant removal using zeolite,
5/13/03 US6562088: Method for operating a hydrogen generating apparatus
4/1/03 US6541144: Fuel cell system
3/11/03 US6531236: Polymer electrolyte fuel cell stack
3/4/03 US6528195: Mixed ionic conductor and device using the same
9/3/02 US6444346: Fuel cells stack
12/11/01 US6329093: Polymer electrolyte fuel cell stack
9/12/00 US6117579: Polymer electrolyte fuel cell . . . facilitating a removal of water around the catalytic layers of a polymer electrolyte fuel cell . . .
5/02/00 US6057051: Miniaturized fuel cell assembly
9/3/02 US6444361: Active material for hydrogen storage alloy electrode and method for producing the same
9/3/02 US6444361: Active material for hydrogen storage alloy electrode and method for producing the same
go to Medis Technologies page
Millennium Cell
12/30/03 US6670444: Processes for synthesizing borohydride compounds
7/1/03 US6586563: Processes for synthesizing alkali metal borohydride compounds
4/8/03 US6544679: Electrochemical cell and assembly for same
3/18/03 US6534033: System for hydrogen generation
2/25/03 US6524542: Processes for synthesizing borohydride compounds
12/24/02 US6497973: Electroconversion cell
10/22/02 US6468694: High energy density boride batteries
8/13/02 US6433129: Compositions and processes for synthesizing borohydride compounds
6/26/01 US6250078: Engine cycle and fuels for same
patents page on M-Cell web site
go to MTI MicroFuel Cells page
Mitsubishi
List at uspto.gov
10/21/03 US6635376: Solid oxide fuel cell having composition gradient between electrode and electrolyte Mitsubishi Materials Corporation
7/1/03 US6586127: Oxide-ion conductor and use thereof Mitsubishi Materials Corporation
6/10/03 US6576217: Methanol reforming catalyst, method of manufacturing methanol reforming catalyst and method of reforming methanol
5/13/03 US6562505: Sealing structure of cell tube Mitsubishi Heavy
4/15/03 US6548034: Process for reducing concentration of carbon monoxide in hydrogen-containing gas Mitsubishi Gas Chemical Company
3/18/03 US6534211: Fuel cell having an air electrode with decreased shrinkage and increased conductivity SOFC - Mitsubishi Heavy Industries
12/31/02 US6500579: Fuel cell structure PEM -
12/11/01 US6329092: Polymer electrolyte fuel cell and systems therefor Mitsubishi Denki Kabushiki Kaisha, Tokyo
11/13/01 US6316138: Solid oxide electrolyte fuel cell Mitsubishi, Jukogyo Kabushiki Kaisha
10/2/01 US6296963: Solid oxide electrolyte fuel cell Mitsubishi Heavy Industries
9/11/01 US6287716: Solid oxide fuel cell having composition gradient between electrode and electrolyte Mitsubishi Materials Corporation, Tokyo
Motorola
12/30/03 US6670403: Polymer electrolyte membrane and method of fabrication
12/9/03 US6660423: Direct methanol fuel cell including a water management system and method of fabrication
11/11/03 US6646418: Method and apparatus for fuel cell protection "by monitoring at least one fuel cell parameter, comparing the parameter to a preset level, and disconnecting or reconnecting a main load in response to the fuel cell parameter"
7/1/03 US6584825: Method and apparatus for determining the amount of hydrogen in a vessel
7/1/03 US6586124: Method and apparatus for cold temperature operation of fuel cells utilizing hydrides having different heat capacities
5/27/03 US6569553: Fuel processor with integrated fuel cell utilizing ceramic technology
3/27/03 Application 20030060521 Polymer electrolyte membrane and method of fabrication
12/24/02 US6497975: Direct methanol fuel cell including integrated flow field and method of fabrication
10/15/02 US6465119: Fuel cell array apparatus and method of fabrication DMFC
7/30/02 US6426158: Method of diluting hydrogen gas exhausted from a fuel cell
7/23/02 US6423434: Method and apparatus for managing fuel cell performance
6/18/02 US6406808: Method and apparatus for thermal management of fuel cell systems
5/14/02 US6387559: Direct methanol fuel cell system and method of fabrication
11/27/01 US6322918: Water management system for fuel cells
7/31/01 US6268077: Portable fuel cell power supply most applicable to use with handheld electric devices
4/24/01 US6214487: Integral sensors for monitoring a fuel cell membrane and methods of monitoring
10/17/00 US6132895: Fuel cell A very thin fuel cell is formed by stacking a plurality . . .
10/03/00 US6127058: Planar fuel cell
6/27/00 US6080501: Fuel cell with integral fuel storage
5/18/99 US5904740: Fuel for liquid feed fuel cells
3/3/98 US5723229: Portable fuel cell device including a water trap
11/25/97 US5690901: Carbon electrode materials for electrochemical cells and method of making same
Pending Application
10/9/03 US20030190504 System and method for controlling gas transport in a fuel cell
Nissan
12/30/03 US6670061: Fuel cell power plant "When substantially no load is applied to the fuel cell stack, the first air supply passage is cut off with a valve and a minute amount of air is supplied to the reformer from the second air supply passage to maintain a standby operation of the power plant in order to prevent reductions in the temperature of the fuel cell stack."
12/16/03 US6663990: Fuel cell system and method
11/11/03 US6645654: Fuel cell system "Residual hydrogen can be consumed until the output voltage substantially becomes 0 volts and miniaturization and weight saving of the fuel cell system can be achieved without carrying a substance such as an inert gas which does not directly relate to a fuel cell electrical generation"
11/11/03 US6645653: Fuel cell system, controller thereof and method Nissan
11/4/03 US6641944: Fuel cell drive system "High temperature reducing gas is supplied to a reforming catalyst of a reformer and a CO removal catalyst of a CO removal device from a start-up combustor. . ."
10/21/03 US6635374: Water supply system for a fuel cell vehicle
10/21/03 US6635373: Fuel cell system and method "with a secondary battery supplying electric power to an outer load and a fuel cell supplying power at least to the secondary battery"
10/21/03 US6635371: Fuel cell system "comprising a fuel tank for storing fuel; an evaporator for evaporating the fuel to generate fuel gas; a reforming reactor for generating reforming gas containing hydrogen from the fuel gas; a combustor for burning any one of the fuel and the reforming gas to supply heat to the evaporator; and a fuel cell portion for generating electricity by use of the hydrogen contained in the reforming gas generated in the reforming reactor . . ."
10/21/03 US6635369: Method for improving fuel cell performance "operating a fuel cell at high voltage for sustained periods of time" The Regents of the University of California, Los Alamos
10/14/03 US6632552: Water purge fuel cell system and method
6/10/03 US6576360: Fuel cell system and method "a fuel cell system including an evaporator which is highly responsive to varying loads of a vehicle and method therefor"
7/1/03 US6584789: Vehicular cooling system and related method "recapturing condenser that recycles water from exhaust gases emitted from the fuel cell for moistening the fuel cell"
6/24/03 US6582841: Fuel cell system and method of controlling the same
5/13/03 US6563288: Control device for fuel cell powered vehicle
4/24/03 20030077504 Unit cell for fuel cell and solid oxide fuel cell
12/24/02 US6497972: Fuel cell system and method for controlling operating pressure thereof
8/6/02 US6428919: Fuel cell system having a defrosting function
1/29/02 US6342316: Fuel cell generation system
Nuvera
(product of April 2000 merger between De Nora S.p.a. and Epyx)
1/6/04 US6673127: Method of forming robust metal, metal oxide, and metal alloy layers on ion-conductive polymer membranes "An ion beam-assisted deposition process for preparing a membrane-electrode structure is described . . ." (De Nora)
11/4/03 US6641625: Integrated hydrocarbon reforming system and controls
9/3/02 US6444602: Structures and methods of manufacture for gas diffusion electrodes and electrode components (De Nora)
7/23/02 US6423203: Method for the integration of fuel cells into electrochemical plants
8/15/00 US6103077: Structures and methods of manufacture for gas diffusion electrodes and electrode components
6/20/00 US6077621: Method of forming robust metal, metal oxide, and metal alloy layers on ion-conductive polymer
2/8/00 US6022634: Membrane electrochemical cell provided with gas diffusion electrodes in contact with porour, flat, metal current conductors having highly distributed contact area
1/25/00 US6017650: Gas-diffussion electrodes for polymeric membrane fuel cell
1/6/85 US4533455: Bipolar separator plate for electrochemical cells expired
OMG formerly Degussa/Degussa-Huels/dmc�
7/2/02 US6413449: Method of using catalyst for steam reforming of alcohols
10/30/01 US6309772: Membrane-electrode unit for polymer electrolyte fuel cells and processes for their preparation
12/26/00 US6165635: Pt/Rh/Fe alloy catalyst for fuel cells and a process for producing the same
12/5/00 US6156449: Catalyst layer for polymer electrolyte fuel cells
11/14/00 US6146782: Fuel cell anode for the oxidation of methanol
5/23/00 US6066410: Anode catalyst for fuel cells with polymer electrolyte membranes
12/28/99 US6007934: Co-tolerant anode catalyst for PEM fuel cells and a process for its preparation
1/19/99 US5861222: Gas diffusion electrode for membrane fuel cells and method of its production
6/16/98 US5767036: Platinum-aluminum alloy catalyst for fuel cells and method of its production and use
2/6/96 US5489563: Platinum alloy catalyst for fuel cells and method of its production
go to Plug Power page
Proton Energy Systems (Subsidiary of Distributed Energy Systems Corp., NASDAQ:DESC)
12/23/03 US6666961: High differential pressure electrochemical cell
12/9/03 US6659049: Hydrogen generation apparatus for internal combustion engines and method thereof
11/25/03 US6653011: Electrochemical cell frame having integral protector portion
11/25/03 US6652732: Fan flow sensor for proton exchange membrane electrolysis cell
9/2/03 US6613215: Method for electrolysis of water using a polytetrafluoroethylene supported membrane in electrolysis cells
7/1/03 US6585869: Means of maintaining compression of the active area in an electrochemical cell
6/10/03 US6576097: Reactant source for an electrolysis cell
6/10/03 US6576362: Electrochemical cell system "regenerative fuel cell system"
2/25/03 US6524464: Fan flow sensor for hydrogen generating proton exchange member electrolysis cell
2/25/03 US6524454: Integrated membrane and electrode support screen and protector ring for an electrochemical cell
10/29/02 US6471850: Low gravity electrochemical cell
5/7/02 US6383361: Fluids management system for water electrolysis
4/9/02 US6368740: Electrochemical cell frame having integral protector portion
4/2/02 US6365032: Method for operating a high pressure electrochemical cell
8/7/01 US6270636: Integrated membrane and electrode support screen and protector ring for an electrochemical cell
1/2/01 US6168705: Electrochemical gas purifier
9/12/00 US6117287: Electrochemical cell frame
8/8/00 US6099716: Electrochemical cell frame
11/9/99 US5980726 Hydrogen electrochemical system environment
Sanyo
12/9/03 US6660417: Fuel cell generator
5/20/03 US6566002: Polymer electrolyte fuel cell
1/7/03 US6503650: Fuel cell system PEM
12/10/02 US6492054: Polymer electrolyte fuel cell including a water-retaining layer on a ribbed plate
11/5/02 US6475671: Hydrogen absorbing alloy electrode and nickel-metal hydride battery
7/16/02 US6420068: Hydrogen storage alloy electrode and method for manufacture thereof
12/11/01 US6329094: Polymer electrolyte fuel cell showing stable and outstanding electric-power generating characteristics
Stuart Energy Systems (Acquired by Hydrogenics Corp., Toronto, TSE:HYG, NASDAQ:HYGS)
8/13/02 US6432283: Hydrogen fuel replenishment system
5/28/02 US6395154: Electrochemical cell using a folded double electrode plate
5/7/02 US6383347: Electrochemical cell utilizing rigid support members
1/15/02 US6338786: Gas-liquid separation method and apparatus in electrolytic cells
7/3/01 US6254741: Electrolytic cells of improved fluid sealability
2/13/01 US6187155: Electrolytic cell separator assembly
11/14/00 US6146518: Pressure differential control in an electrolytic cell
6/7/00 US6080290: Mono-polar electrochemical system with a double electrode plate
Toshiba
11/18/03 US6649298: Electronic apparatus using fuel cell assembly "a fuel cell assembly and an air channel for supplying air to the fuel cell assembly are arranged in a display unit of an electronic apparatus . . ."
9/2/03 US6613467: Polymer electrolyte fuel cells system
7/29/03 US6599651: Separator of proton exchange fuel cell and its manufacturing method
6/3/03 US6572994: Polymer electrolyte fuel cell system including reformer
1/14/03 US6506513: Liquid fuel-housing tank for fuel cell and fuel cell
10/23/01 US6306535: Molten carbonate fuel cell
UOP LLC Des Plaines, IL
6/3/03 US6573214: Preferential oxidation catalyst "a hydrogen generation process for use with fuel cells"
4/15/03 US6548029: Apparatus for providing a pure hydrogen stream for use with fuel cells UOP LLC
1/14/03 US6506510: Hydrogen generation via methane cracking for integrated heat and electricity production using a fuel cell
8/20/02 US6436354: Apparatus for generation of pure hydrogen for use with fuel cells
1/29/02 US6342197: Multi-stage combustion for fuel processing for use with fuel cell
10/9/01 US6299995: Process for carbon monoxide preferential oxidation for use with fuel cells
10/9/01 US6299994: Process for providing a pure hydrogen stream for use with fuel cells
8/28/01 US6280864: Control system for providing hydrogen for use with fuel cells
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