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Class Information
Number: 429/13
Name: Chemistry: electrical current producing apparatus, product, and process > Fuel cell, subcombination thereof or methods of operating > Process of operating
Description: Process of operating the apparatus.

Sub-classes under this class:

Class Number Class Name Patents
429/14 Circulating or feeding electrolyte 111
429/16 Fused or molten electrolyte 146
429/17 Generating, regenerating or recycling reactant 1,018

Patents under this class:

Patent Number Title Of Patent Date Issued
7704918 Synthesis of metal-metal oxide catalysts and electrocatalysts using a metal cation adsorption/reduction and adatom replacement by more noble ones Apr. 27, 2010
7704619 Fuel cell system and method of controlling same Apr. 27, 2010
7704616 Method for purging fuel cell system Apr. 27, 2010
7700512 Carbon monoxide selective oxidizing catalyst and manufacturing method for the same Apr. 20, 2010
7700210 Increasing thermal dissipation of fuel cell stacks under partial electrical load Apr. 20, 2010
7700209 Power generation control system for fuel cell Apr. 20, 2010
7698119 Simulator of fuel cell on gas phase reaction Apr. 13, 2010
7695844 System stability improvements tolerating increased nitrogen cross-over Apr. 13, 2010
7695839 Method for improved power up-transient response in the fuel cell system Apr. 13, 2010
7695837 Fuel cell system Apr. 13, 2010
7695836 Method for initial activation of polymer electrolyte fuel cell Apr. 13, 2010
7691520 Fuel cell system Apr. 6, 2010
7691510 Fuel cell system with differential pressure control Apr. 6, 2010
7691507 Combination fuel cell and ion pump, and methods and infrastructure systems employing same Apr. 6, 2010
7691506 Fuel cell stack Apr. 6, 2010
7691505 Fuel cell system Apr. 6, 2010
7691504 Anode side hydrogen/oxygen interface formation inhibition structure of a fuel cell vehicle Apr. 6, 2010
7687176 Fuel cell Mar. 30, 2010
7687170 Fuel cell system Mar. 30, 2010
7687168 Fuel cell system for setting predetermined operation state when substitutional value control is impossible Mar. 30, 2010
7687165 Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of operating cell assembly Mar. 30, 2010
7687164 On-line system identification and control of fuel cell humidification via HFR measurements Mar. 30, 2010
7687163 Soft start fuel cell control strategy Mar. 30, 2010
7687162 Purging method of fuel cell system Mar. 30, 2010
7682721 Fuel cell system Mar. 23, 2010
7682717 Fuel cell system with cooling and method of controlling the same Mar. 23, 2010
7682716 Method for operating fuel cell and fuel cell system Mar. 23, 2010
7682715 Vehicle equipped with fuel cell system Mar. 23, 2010
7678482 Forced air fuel cell power system Mar. 16, 2010
7678480 Fuel cell system Mar. 16, 2010
7678479 Hydrogen fuel delivery systems Mar. 16, 2010
7678478 Fuel cell assembly having long life characteristics Mar. 16, 2010
7678477 Method of operating a fuel cell stack Mar. 16, 2010
7674538 Apparatus and method for high efficiency operation of a high temperature fuel cell system Mar. 9, 2010
7674537 Direct methanol type fuel cell and method of preventing elution of its fuel pole, quality control method and operation method Mar. 9, 2010
7674536 Fuel supply device and fuel supply system Mar. 9, 2010
7670700 Fuel cell system, related method and current measuring device for fuel cell system Mar. 2, 2010
7670697 Fuel cell system with fuel cell unit having means for storing or dispensing electrical energy Mar. 2, 2010
7666535 Fuel cell system and method of operating a fuel cell system Feb. 23, 2010
7666532 Fuel cell system and method of starting fuel cell system Feb. 23, 2010
7666237 Reformate cooling system and method for use in a fuel processing subsystem Feb. 23, 2010
7662496 Fuel cell cooling system and method for controlling circulation of cooling liquid in fuel cell Feb. 16, 2010
7662495 Passive restriction pathways in fuel cell water drainage Feb. 16, 2010
7659318 Polymer membrane for fuel cell, method of preparing the same, membrane-electrode assembly including the same, and fuel cell system including the same Feb. 9, 2010
7659019 Thermally primed hydrogen-producing fuel cell system Feb. 9, 2010
7659018 Fuel cell power control unit Feb. 9, 2010
7659017 Drying method for fuel cell stacks Feb. 9, 2010
7655330 Method of operating fuel cell and power supply system Feb. 2, 2010
7655056 Hydrogen generating apparatus Feb. 2, 2010
7651806 Non-flammable exhaust enabler for hydrogen powered fuel cells Jan. 26, 2010

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