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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618585 |
Fuel-concentration detecting and controlling device for fuel cell |
Nov. 17, 2009 |
| 7618725 |
Low contaminant formic acid fuel for direct liquid fuel cell |
Nov. 17, 2009 |
| 7618726 |
Fuel cell system and protection method thereof |
Nov. 17, 2009 |
| 7618471 |
Method and apparatus for separating liquid droplets from a fluid flow stream |
Nov. 17, 2009 |
| 7615303 |
Direct methanol fuel cell and portable computer having the same |
Nov. 10, 2009 |
| 7615305 |
Fuel reservoir for fuel cell |
Nov. 10, 2009 |
| 7615302 |
Fuel cell producing method and apparatus |
Nov. 10, 2009 |
| 7615293 |
Fuel cell electrode with redox catalyst |
Nov. 10, 2009 |
| 7611784 |
Integrated switching assemblies for a fuel cell stack |
Nov. 3, 2009 |
| 7611788 |
Fuel cell stack |
Nov. 3, 2009 |
| 7611792 |
Humidifying gas induction or supply system |
Nov. 3, 2009 |
| 7608350 |
Preparation and storage of membrane and electrode assemblies |
Oct. 27, 2009 |
| 7604883 |
Thermal integration of pressurized fuel cell systems with an expander and a heat exchanger coupled to the fuel cell for receiving waste heat from the housing of the fuel cell |
Oct. 20, 2009 |
| 7601183 |
Method for producing a reversible solid oxide fuel cell |
Oct. 13, 2009 |
| 7597980 |
Sulfonic acid group-containing, proton-conducting polymer composition, a solid electrolyte membrane and a solid polymer fuel cell |
Oct. 6, 2009 |
| 7597982 |
Fuel cell system with a gas supply pump that applies negative pressure to the anode and cathode |
Oct. 6, 2009 |
| 7595122 |
Interconnect supported electrolyzer assembly, preform and method of fabrication |
Sep. 29, 2009 |
| 7595121 |
Proton conductive polymer, catalyst composite, electrolyte membrane for fuel cell and fuel cell |
Sep. 29, 2009 |
| 7592093 |
Method for manufacturing a flat panel direct methanol fuel cell |
Sep. 22, 2009 |
| 7592084 |
Aeroplane drink dispenser |
Sep. 22, 2009 |
| 7592083 |
Integrated air supply with humidification control for fuel cell power systems |
Sep. 22, 2009 |
| 7592082 |
Fuel cell, electronic apparatus and camera |
Sep. 22, 2009 |
| 7589043 |
Supported catalyst, electrode using the supported catalyst and fuel cell including the electrode |
Sep. 15, 2009 |
| 7588846 |
Energy storage system |
Sep. 15, 2009 |
| 7588844 |
Method of starting up operation of fuel cell at low temperature |
Sep. 15, 2009 |
| 7588848 |
Fuel cell controller and control method |
Sep. 15, 2009 |
| 7585577 |
Monopolar fuel cell stack coupled together without use of top or bottom cover plates or tie rods |
Sep. 8, 2009 |
| 7582376 |
Proton conductive polymer and fuel cell using the same |
Sep. 1, 2009 |
| 7582979 |
Electric power supply system |
Sep. 1, 2009 |
| 7579096 |
Fuel reservoir for fuel cell |
Aug. 25, 2009 |
| 7579806 |
Direct methanol fuel cell pack heating system |
Aug. 25, 2009 |
| 7576512 |
Secondary battery charging system capable of preventing drop of charged electric power |
Aug. 18, 2009 |
| 7576660 |
Fuel retention monitoring system for a pressurized hydrogen storage tank on a vehicle and method of use |
Aug. 18, 2009 |
| 7575827 |
Conductive coatings for PEM fuel cell electrodes |
Aug. 18, 2009 |
| 7575826 |
Fuel cell with metal alloy contacts that form passivating conductive oxide surfaces |
Aug. 18, 2009 |
| 7575821 |
Interconnect supported fuel cell assembly and preform |
Aug. 18, 2009 |
| 7569297 |
Fuel cell membranes and crossover prevention |
Aug. 4, 2009 |
| 7569295 |
Fuel cell unit and state display control method |
Aug. 4, 2009 |
| 7569294 |
Modular portable battery charging system using hydrogen fuel cells |
Aug. 4, 2009 |
| 7569292 |
Solid oxide fuel cell |
Aug. 4, 2009 |
| 7569291 |
Method and composition for bonding and sealing fuel cell components |
Aug. 4, 2009 |
| 7569290 |
Flat panel direct methanol fuel cell and method for making the same |
Aug. 4, 2009 |
| 7565224 |
Energy distribution network |
Jul. 21, 2009 |
| 7564248 |
Method and apparatus for monitoring fuel cells |
Jul. 21, 2009 |
| 7563528 |
Fuel cell system and method of scavenging same |
Jul. 21, 2009 |
| 7563526 |
Fuel cell system and method for removal of water from fuel cells |
Jul. 21, 2009 |
| 7563524 |
Fuel cell system |
Jul. 21, 2009 |
| 7563523 |
Fuel cell start-up method, fuel cell system and vehicle equipped with same |
Jul. 21, 2009 |
| 7562731 |
Electric power generation system for vehicle |
Jul. 21, 2009 |
| 7560186 |
Exhaust gas disposal apparatus of fuel cell |
Jul. 14, 2009 |
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