Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589678 | Fuel cell method of operation | — | 2003-07-08 |
| 6537690 | Method of operating a fuel cell system | Chockkalingam Karrupaiah | 2003-03-25 |
| 6329090 | Enthalpy recovery fuel cell system | James H. Kralick | 2001-12-11 |
| 6280865 | Fuel cell system with hydrogen purification subsystem | Glenn A. Eisman, Norman Peschke | 2001-08-28 |
| 6251534 | Fuel cell cascade flow system | — | 2001-06-26 |
| 6053728 | Furnace | Rifat Alchalabi, Adam DeBoskey | 2000-04-25 |
| 5505824 | Propellant generator and method of generating propellants | — | 1996-04-09 |
| 5480518 | High purity hydrogen and oxygen production using an ion exchange membrane having catalysts electrically isolated throughout | Eric M. Shane | 1996-01-02 |
| 5372689 | Dual-direction flow membrane support for water electrolyzers | Hugh A. Carlson, Andrei Leonida, Eric M. Shane | 1994-12-13 |
| 5350496 | Solid state high pressure oxygen generator and method of generating oxygen | William F. Smith | 1994-09-27 |
| 5348691 | Atmosphere membrane humidifier and method and system for producing humidified air | William F. Smith, Joseph E. Genovese | 1994-09-20 |
| 5342494 | High purity hydrogen and oxygen production and apparatus therefor | Eric M. Shane | 1994-08-30 |
| 5296109 | Method for electrolyzing water with dual directional membrane | Hugh A. Carlson, Andrei Leonida, Eric M. Shane | 1994-03-22 |
| 5122239 | Fuel cell product liquid gas stripper | William F. Smith | 1992-06-16 |
| 5118398 | Method and an apparatus for detecting ionizable substance | William F. Smith | 1992-06-02 |
| 4950371 | Electrochemical hydrogen separator system for zero gravity water electrolysis | — | 1990-08-21 |
| 4855193 | Bipolar fuel cell | — | 1989-08-08 |
| 4795683 | High power density evaporatively cooled ion exchange membrane fuel cell | — | 1989-01-03 |
| 4729932 | Fuel cell with integrated cooling water/static water removal means | — | 1988-03-08 |
| 4678724 | Fuel cell battery with improved membrane cooling | — | 1987-07-07 |
| 4657829 | Fuel cell power supply with oxidant and fuel gas switching | Paul J. Chludzinski, Philip Dantowitz | 1987-04-14 |
| 4649091 | Fuel cell battery with improved membrane cooling | — | 1987-03-10 |
| 4543303 | Fuel cell battery with in cell oxidant-product liquid separators | Philip Dantowitz, Edward N. Balko | 1985-09-24 |
| 4473622 | Rapid starting methanol reactor system | Paul J. Chludzinski, Philip Dantowitz | 1984-09-25 |