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Class Information
Number: 429/12
Name: Chemistry: electrical current producing apparatus, product, and process > Fuel cell, subcombination thereof or methods of operating
Description: Apparatus for producing an electrical current having an active material supplied to a cell from an external source, e.g., fuel cell, metal/air cell, etc., subcombination of the apparatus and the process of operating the same are also included.










Sub-classes under this class:

Class Number Class Name Patents
429/27 Active material electrode-type cell or subcombination thereof 532
429/22 Automatic control means 662
429/40 Catalytic electrode structure or composition 967
429/46 Chemically specified electrolyte 281
429/26 Having heat exchange means 1,077
429/19 Having means for active material generation or regeneration 774
429/34 Housing member, seal, spacer or fluid distributing or directing means 1,959
429/18 Plural cells having means to reduce ionic short circuit 80
429/13 Process of operating 1,163
429/30 Solid electrolyte 1,198


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent Number Title Of Patent Date Issued
7704616 Method for purging fuel cell system Apr. 27, 2010
7700053 Reforming device Apr. 20, 2010
7700207 Turbocompressor shutdown mechanism Apr. 20, 2010
7700208 Water trap device for fuel cell vehicle Apr. 20, 2010
7700210 Increasing thermal dissipation of fuel cell stacks under partial electrical load Apr. 20, 2010
7698119 Simulator of fuel cell on gas phase reaction Apr. 13, 2010
7695845 Fuel cell Apr. 13, 2010
7695844 System stability improvements tolerating increased nitrogen cross-over Apr. 13, 2010
7695841 Solid oxide fuel cell tube with internal fuel processing Apr. 13, 2010
7691504 Anode side hydrogen/oxygen interface formation inhibition structure of a fuel cell vehicle Apr. 6, 2010
7691503 Modular fuel cell power system, and technique for controlling and/or operating same Apr. 6, 2010
7691502 Modular fuel cell power system, and technique for controlling and/or operating same Apr. 6, 2010
7690458 Control apparatus and control method for vehicle-mounted fuel cell power generation system Apr. 6, 2010
7687181 Channel-based electrochemical cassettes Mar. 30, 2010
7687180 Overmolded support plate for fuel cell Mar. 30, 2010
7687176 Fuel cell Mar. 30, 2010
7687173 Process for making a ceramic composite device Mar. 30, 2010
7687166 Process for generation of electricity from a solid oxide fuel cell auxiliary power unit using engine exhaust gas Mar. 30, 2010
7682587 Fuel cell reformer Mar. 23, 2010
7682714 Connecting structure of a cell monitor connector to a fuel cell stack Mar. 23, 2010
7684880 Fuel cells service method and apparatus Mar. 23, 2010
7678482 Forced air fuel cell power system Mar. 16, 2010
7674536 Fuel supply device and fuel supply system Mar. 9, 2010
7670712 Metal oxynitride electrode catalyst Mar. 2, 2010
7670710 Fuel cell and fuel cell stack with pressure chambers Mar. 2, 2010
7670699 Fuel cell Mar. 2, 2010
7670697 Fuel cell system with fuel cell unit having means for storing or dispensing electrical energy Mar. 2, 2010
7670498 Coolant composition for fuel cell Mar. 2, 2010
7666237 Reformate cooling system and method for use in a fuel processing subsystem Feb. 23, 2010
7666539 Heat efficient portable fuel cell systems Feb. 23, 2010
7662502 Fuel cell system Feb. 16, 2010
7662501 Transpiration cooling and fuel cell for ultra mobile applications Feb. 16, 2010
7661661 Evaporator assembly unit, especially for a vehicle heater or a reformer arrangement of a fuel cell system Feb. 16, 2010
7659016 Fuel cell with a device for storing water Feb. 9, 2010
7659019 Thermally primed hydrogen-producing fuel cell system Feb. 9, 2010
7659017 Drying method for fuel cell stacks Feb. 9, 2010
7655331 Fuel cell supply including information storage device and control system Feb. 2, 2010
7655337 Micro fuel cell thermal management Feb. 2, 2010
7655334 Proton-conducting electrolyte membrane method for production and use thereof in a fuel cell Feb. 2, 2010
7655159 Conductive polymer, conductive polymer compositions and their use Feb. 2, 2010
7655056 Hydrogen generating apparatus Feb. 2, 2010
7655195 Undulated-wall honeycomb structure and manufacturing method thereof Feb. 2, 2010
7653301 Electronic device and camera Jan. 26, 2010
7651799 Air humidification for fuel cell applications Jan. 26, 2010
7651797 Electrochemical cells comprising laminar flow induced dynamic conducting interfaces, electronic devices comprising such cells, and methods employing same Jan. 26, 2010
7651796 Water atomization apparatus for a fuel cell system and also a method for humidifying a gas flow supplied to a fuel cell system Jan. 26, 2010
7652089 Nanocomposite, nanocomposite electrolyte membrane and fuel using the same Jan. 26, 2010
7648790 Electrolyte for fuel cell and fuel cell employing the same Jan. 19, 2010
7645529 Fuel cell characteristic recovery method and apparatus Jan. 12, 2010
7641997 Design and synthesis of guest-host nanostructures to enhance ionic conductivity across nanocomposite membranes Jan. 5, 2010

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