Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
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:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
6316137 Cooling a fuel cell stack Nov. 13, 2001
6312842 Water retention system for a fuel cell power plant Nov. 6, 2001
6312843 Fuel cell apparatus Nov. 6, 2001
6309768 Process for regenerating a carbon monoxide oxidation reactor Oct. 30, 2001
6309769 Carbon monoxide filter layer Oct. 30, 2001
6309770 Solid electrolyte fuel cell power generating system Oct. 30, 2001
6306530 System for preventing gas pocket formation in a PEM coolant flow field Oct. 23, 2001
6296957 Energy supply unit on board an aircraft Oct. 2, 2001
6294278 Combination of low and high temperature fuel cell device Sep. 25, 2001
6290913 Apparatus for reducing concentration of carbon monoxide Sep. 18, 2001
6284397 Rotary piston blower for supplying an oxidant stream to a fuel cell Sep. 4, 2001
6284399 Fuel cell system having humidification membranes Sep. 4, 2001
6280865 Fuel cell system with hydrogen purification subsystem Aug. 28, 2001
6280867 Apparatus for pumping a fluid in a fuel cell system Aug. 28, 2001
6280869 Fuel cell stack system and operating method Aug. 28, 2001
6277508 Fuel cell power supply with exhaust recycling for improved water management Aug. 21, 2001
6274258 Fuel cell assembly Aug. 14, 2001
6274259 Fine pore enthalpy exchange barrier Aug. 14, 2001
6274261 Cylindrical metal-air battery with a cylindrical peripheral air cathode Aug. 14, 2001
6274262 Fuel cell bi-cooler flow plate Aug. 14, 2001
6268074 Water injected fuel cell system compressor Jul. 31, 2001
6265092 Method of controlling injection of oxygen into hydrogen-rich fuel cell feed stream Jul. 24, 2001
6265093 Direct methanol feed fuel cell and system Jul. 24, 2001
6261711 Sealing system for fuel cells Jul. 17, 2001
6255009 Combined cycle power generation using controlled hydrogen peroxide decomposition Jul. 3, 2001
6255010 Single module pressurized fuel cell turbine generator system Jul. 3, 2001
6251534 Fuel cell cascade flow system Jun. 26, 2001
6248462 Method and apparatus for thermal management of a fuel cell assembly Jun. 19, 2001
6242118 Method and apparatus for removing contaminants from the coolant supply of a fuel cell power plant Jun. 5, 2001
6239508 Electrical power generation system having means for managing the discharging and recharging of metal fuel contained within a network of metal-air fuel cell battery subsystems May. 29, 2001
6228518 Low cost, lightweight fuel cell elements May. 8, 2001
6221280 Catalytic partial oxidation of hydrocarbon fuels to hydrogen and carbon monoxide Apr. 24, 2001
6218038 Regulating a flow through a fuel cell Apr. 17, 2001
6213234 Vehicle powered by a fuel cell/gas turbine combination Apr. 10, 2001
6214484 Fuel cell arrangement having a methanol reformer with an energy storage unit and method for controlling the energy flow of the fuel cell arrangement Apr. 10, 2001
6214485 Direct hydrocarbon fuel cells Apr. 10, 2001
6214486 Fuel cell and method of controlling same Apr. 10, 2001
6210820 Method for operating fuel cells on impure fuels Apr. 3, 2001
6207306 Apparatus for humidifying the air stream of a fuel cell power plant Mar. 27, 2001
6207312 Self-humidifying fuel cell Mar. 27, 2001
6203935 Method for operating a fuel cell system and fuel cell system Mar. 20, 2001
6197442 Method of using a water transport plate Mar. 6, 2001
6194094 Polymer electrolyte fuel cell Feb. 27, 2001
6187464 Method for activating fuel cell Feb. 13, 2001
6183894 Electrocatalyst for alcohol oxidation in fuel cells Feb. 6, 2001
6180271 Method for operating a PEM fuel cell plant and PEM fuel cell plant Jan. 30, 2001
6180272 System and method for automatically providing fuel to a fuel cell in response to a power failure in a primary power system Jan. 30, 2001
6171718 Pressurized water recovery system for a fuel cell power plant Jan. 9, 2001
6168705 Electrochemical gas purifier Jan. 2, 2001
6168877 Air-managing system for metal-air battery using resealable septum Jan. 2, 2001

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next










 
 
  Recently Added Patents
Visual physician office systems and methods
Generation of uniform fragments of nucleic acids using patterned substrates
Semiconductor device with an amorphous semi-insulating layer, temperature sensor, and method of manufacturing a semiconductor device
Watch dial
Printing apparatus
Method for producing (meth)acrylic anhydride, method for storing (meth)acrylic anhydride, and method for producing (meth)acrylate
Churn prediction and management system
  Randomly Featured Patents
Image forming apparatus and image forming method
High energy impact riveting apparatus and method
Pattern forming method
Fibrous articles having odor adsorbtion ability and method of making same
Spinner bait fishing lure
Grill
Access control in client-server systems
Bioassay cassette with memory and method of use
Optical apparatus and camera capable of line of sight detection
Medical graft connector and methods of making and installing same