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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:
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Patent Number Title Of Patent Date Issued
6423434 Method and apparatus for managing fuel cell performance Jul. 23, 2002
6423435 Fuel cell system with an assigned hydrogen generating arrangement Jul. 23, 2002
6423896 Thermophotovoltaic insulation for a solid oxide fuel cell system Jul. 23, 2002
6420059 Direct methanol feed fuel cell and system Jul. 16, 2002
6416891 Operating system for a direct antifreeze cooled fuel cell power plant Jul. 9, 2002
6416892 Interdigitated enthally exchange device for a fuel cell power plant Jul. 9, 2002
6413662 Fuel cell system shutdown with anode pressure control Jul. 2, 2002
6408966 Fuel cell vehicle Jun. 25, 2002
6410174 Metal-air fuel cell battery system having means for bi-directionally transporting metal-fuel tape and managing metal-fuel available therealong Jun. 25, 2002
6410175 Fuel cell system with improved starting capability Jun. 25, 2002
6410176 Voltage monitoring system for a fuel cell stack Jun. 25, 2002
6406805 Method for storing purged hydrogen from a vehicle fuel cell system Jun. 18, 2002
6406806 Fuel cell voltage monitoring and system control Jun. 18, 2002
6406807 Distribution of hydration fluid in a fuel cell Jun. 18, 2002
6403243 Fuel cell system and method of regenerating a filter element in a fuel cell system Jun. 11, 2002
6403249 Humidification of a PEM fuel cell by air-air moisture exchange Jun. 11, 2002
6399231 Method and apparatus for regenerating the performance of a PEM fuel cell Jun. 4, 2002
6395414 Staged venting of fuel cell system during rapid shutdown May. 28, 2002
6391484 Fuel processor temperature monitoring and control May. 21, 2002
6391485 Method and apparatus for purging a fuel cell system with coolant May. 21, 2002
6383677 Fuel cell current collector May. 7, 2002
6379826 Regulating a fuel cell powered heating system Apr. 30, 2002
6379827 Inerting a fuel cell with a wettable substrate Apr. 30, 2002
6379828 Fuel cell Apr. 30, 2002
6380637 Off-board station and an electricity exchanging system suitable for use with a mobile vehicle power system Apr. 30, 2002
6376110 Method for regulating membrane moisture of a polymer electrolyte fuel cell, and a polymer electrolyte fuel cell Apr. 23, 2002
6376111 System and method for controlling the humidity level of a fuel cell Apr. 23, 2002
6368737 Subambient pressure coolant loop for a fuel cell power plant Apr. 9, 2002
6365289 Cogeneration system for a fuel cell Apr. 2, 2002
6365290 High-efficiency fuel cell system Apr. 2, 2002
6365293 Fuel cell having water permeability adjustment capability Apr. 2, 2002
6358638 Cold start-up of a PEM fuel cell Mar. 19, 2002
6358642 Flow channels for fuel cell Mar. 19, 2002
6350535 Mist evaporation system for fuel cell hydration Feb. 26, 2002
6350536 Method for preventing compressor from freezing in automobile fuel cell system Feb. 26, 2002
6350539 Composite gas distribution structure for fuel cell Feb. 26, 2002
6348277 Method of and system for producing and supplying electrical power to an electrical power consuming device using a metal-air fuel cell battery (FCB) module and a supply of metal-fuel cards Feb. 19, 2002
6346340 Current generating system for a vehicle having an internal combustion engine Feb. 12, 2002
6342314 Geometry change diffusion tube for metal-air batteries Jan. 29, 2002
6342316 Fuel cell generation system Jan. 29, 2002
6338912 Fuel cell system having common scroll type compressor and regenerator Jan. 15, 2002
6335111 Metal-air fuel cell battery system employing a plurality of moving cathode structures for improved volumetric power density Jan. 1, 2002
6331694 Fuel cell operated welder Dec. 18, 2001
6329089 Method and apparatus for increasing the temperature of a fuel cell Dec. 11, 2001
6329090 Enthalpy recovery fuel cell system Dec. 11, 2001
6329094 Polymer electrolyte fuel cell showing stable and outstanding electric-power generating characteristics Dec. 11, 2001
6322913 Air manager control using cell load characteristics as auto-reference Nov. 27, 2001
6322914 Method and apparatus for distributing water in an array of fuel cell stacks Nov. 27, 2001
6322915 Humidification system for a fuel cell power plant Nov. 27, 2001
6316134 Fuel cell electric power generation system Nov. 13, 2001

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