Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6207308 | Water treatment system for a fuel cell assembly | Leslie L. Van Dine | 2001-03-27 |
| 6159628 | Use of thermoplastic films to create seals and bond PEM cell components | Myron Krasij, Michael J. Rajpolt | 2000-12-12 |
| 6039823 | Composite article | Ronald G. Martin, Robert P. Roche | 2000-03-21 |
| 5726105 | Composite article | Ronald G. Martin, Robert P. Roche | 1998-03-10 |
| 5328542 | Method of manufacturing a laminated fuel cell component with an internal fluid impermeable barrier | Robert P. Roche, Ronald G. Martin | 1994-07-12 |
| 4973529 | Apparatus and process for forming an aqueous solution | Wolfgang Vogel, William A. Taylor, Bryan F. Dufner | 1990-11-27 |
| 4923767 | Fuel cell power plants employing an aqueous solution | Wolfgang Vogel | 1990-05-08 |
| 4855192 | Fuel cell clean waste water discharge system | — | 1989-08-08 |
| 4835072 | Apparatus employing an aqueous solution | Wolfgang Vogel | 1989-05-30 |
| 4824738 | Controlling oxygen concentrations in fuel cell cooling water loops | Robert Misage, Daniel L. D'Aquila | 1989-04-25 |
| 4816040 | Removal of ammonia and carbon dioxide from fuel cell stack water system by steam stripping | Leonard J. Bonville, Richard A. Sederquist | 1989-03-28 |
| 4804591 | Fuel cell powerplant employing an aqueous solution | Wolfgang Vogel, William A. Taylor | 1989-02-14 |
| 4801356 | Removal of ammonia from fuel cell power plant water system | — | 1989-01-31 |
| 4582025 | Liquid level detector | — | 1986-04-15 |
| 4509548 | Reactant pressure differential control for fuel cell gases | — | 1985-04-09 |
| 4344849 | Fuel cell power plant self-controlling coolant cleaning process | John W. Lane | 1982-08-17 |
| 4344850 | Fuel cell power plant coolant cleaning system and method | — | 1982-08-17 |