International Fuel Cells, LLC
216Patents
0Active
216Granted
41Portfolio score
Filing activity: Apr 26, 1985 → Nov 9, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4769297A | Solid polymer electrolyte fuel cell stack water management system | Emerging Cross-Sectional Technologies | 134 | Expired |
| US5503944A | Water management system for solid polymer electrolyte fuel cell power plants | Emerging Cross-Sectional Technologies | 124 | Expired |
| US6024848A | Electrochemical cell with a porous support plate | Emerging Cross-Sectional Technologies | 119 | Expired |
| US4994331A | Fuel cell evaporative cooling using fuel as a carrier gas | Emerging Cross-Sectional Technologies | 118 | Expired |
| US5034287A | Fuel cell cooling using heat of reaction | Emerging Cross-Sectional Technologies | 117 | Expired |
| US6007931A | Mass and heat recovery system for a fuel cell power plant | Emerging Cross-Sectional Technologies | 110 | Expired |
| US4781241A | Heat exchanger for fuel cell power plant reformer | Emerging Cross-Sectional Technologies | 108 | Expired |
| US5264299A | Proton exchange membrane fuel cell support plate and an assembly including the same | Emerging Cross-Sectional Technologies | 103 | Expired |
| US4792502A | Apparatus for producing nitrogen | Mechanical Engineering; Lighting; Heating | 101 | Expired |
| US4678723A | High pressure low heat rate phosphoric acid fuel cell stack | Emerging Cross-Sectional Technologies | 100 | Expired |
| US5516344A | Fuel cell power plant fuel processing apparatus | Emerging Cross-Sectional Technologies | 98 | Expired |
| US5573866A | Direct methanol oxidation polymer electrolyte membrane power system | Emerging Cross-Sectional Technologies | 88 | Expired |
| US5451249A | Landfill gas treatment system | Emerging Cross-Sectional Technologies | 87 | Expired |
| US6045772A | Method and apparatus for injecting a liquid hydrocarbon fuel into a fuel cell power plant reformer | Emerging Cross-Sectional Technologies | 83 | Expired |
| US4737161A | Compact hydrogen generator | Emerging Cross-Sectional Technologies | 82 | Expired |
| US6020083A | Membrane electrode assembly for PEM fuel cell | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5470360A | Fuel cell power plant reformer burner gas flow control system | Emerging Cross-Sectional Technologies | 69 | Expired |
| US6120923A | Steam producing hydrocarbon fueled power plant employing a PEM fuel cell | Emerging Cross-Sectional Technologies | 67 | Expired |
| US5989318A | Apparatus for separating water from a two-phase stream | Performing Operations; Transporting | 66 | Expired |
| US4751151A | Recovery of carbon dioxide from fuel cell exhaust | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6103410A | Start up of frozen fuel cell | Emerging Cross-Sectional Technologies | 64 | Expired |
| US5486041A | Cabinet structures coupled to adjacent cabinet structures and to rectangular frame elements, and equipped with anti-tilt mechanisms and rolling and sliding bases | Mechanical Engineering; Lighting; Heating | 63 | Expired |
| US4828940A | Fuel cell power plant with increased reactant pressures | Emerging Cross-Sectional Technologies | 63 | Expired |
| US5700595A | Ion exchange membrane fuel cell power plant with water management pressure differentials | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4865926A | Hydrogen fuel reforming in a fog cooled fuel cell power plant assembly | Emerging Cross-Sectional Technologies | 60 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.