Issued Patents All Time
Showing 51–75 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232006 | Dual coolant loop fuel cell power plant | — | 2001-05-15 |
| 6050331 | Coolant plate assembly for a fuel cell stack | Ronald G. Martin, Robert P. Roche, Glen W. Scheffler, Joseph John O'Brien | 2000-04-18 |
| 6048383 | Mass transfer composite membrane for a fuel cell power plant | Thomas F. Fuller, Leslie L. Van Dine | 2000-04-11 |
| 6024848 | Electrochemical cell with a porous support plate | Bryan F. Dufner | 2000-02-15 |
| 6020083 | Membrane electrode assembly for PEM fuel cell | Myron Krasij | 2000-02-01 |
| 5837395 | Corrosion resistant fuel cell assembly | Robert R. Fredley, Glenn W. Scheffler | 1998-11-17 |
| 5792572 | System for treatment of acid fuel cell fuel gas stream | Peter Foley, Francis J. Luczak, John L. Preston, Christopher Teeling, Robert R. Fredley +1 more | 1998-08-11 |
| 5732463 | Method of preparing a fuel cell electrode | John Donahue, Robert L. Haven | 1998-03-31 |
| 5558955 | Cathode reactant flow field component for a fuel cell stack | Ronald G. Martin, Robert P. Roche, Gregory R. Kline | 1996-09-24 |
| 5366825 | Laminated electrolyte reservoir plate | Michael E. Gorman | 1994-11-22 |
| 5300124 | Method for forming a laminated electrolyte reservoir plate | Michael E. Gorman | 1994-04-05 |
| 5270132 | Minimized corrosion fuel cell device and a method of making the same | Anthony P. Mientek, Richard D. Sawyer | 1993-12-14 |
| 5262249 | Internally cooled proton exchange membrane fuel cell device | Daniel Beal | 1993-11-16 |
| 5262034 | Electrochemical sensor for monitoring electrochemical potentials of fuel cell components | Harold R. Kunz | 1993-11-16 |
| 4938942 | Carbon graphite component for an electrochemical cell and method for making the component | Michael E. Gorman, John Donahue, Sudhangshu Bose | 1990-07-03 |
| 4929517 | Electrochemical cell assembly | Warren L. Luoma, Ronald G. Martin | 1990-05-29 |
| 4913706 | Method for making a seal structure for an electrochemical cell assembly | Warren L. Luoma, Ronald G. Martin | 1990-04-03 |
| 4851377 | Fuel cell, a fuel cell electrode, and a method for making a fuel cell electrode | — | 1989-07-25 |
| 4824739 | Method of operating an electrochemical cell stack | Michael J. Rajpolt, John C. Trocciola | 1989-04-25 |
| 4808493 | Fuel cell, a fuel cell electrode, and a method for making a fuel cell electrode | — | 1989-02-28 |
| 4756981 | Seal structure for an electrochemical cell | Michael J. Rajpolt, John C. Trocciola | 1988-07-12 |
| 4652502 | Porous plate for an electrochemical cell and method for making the porous plate | John Donahue | 1987-03-24 |
| 4574112 | Cooling system for electrochemical fuel cell | Richard D. Sawyer, Thomas Edward DeMarche | 1986-03-04 |
| 4426340 | Process for fabricating ribbed electrode substrates and other articles | Glen J. Goller, J. Harold Smith | 1984-01-17 |
| 4414291 | Method for reducing electrolyte loss from an electrochemical cell | — | 1983-11-08 |