Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227256 | Fully internal manifolded fuel cell stack | Leonard G. Marianowski, Randy J. Petri, Mark Griswold Lawson | 1993-07-13 |
| 5185220 | Fuel cell clamping force equalizer | — | 1993-02-09 |
| 5077148 | Fully internal manifolded and internal reformed fuel cell stack | Leonard G. Marianowski, Randy J. Petri, Mark Griswold Lawson | 1991-12-31 |
| 4701266 | Solids dewatering apparatus and process | John C. Janka, Ted M. Knowlton | 1987-10-20 |
| 4560547 | Production of hydrogen from oil shale | John C. Janka, Harlan L. Feldkirchner | 1985-12-24 |
| 4308037 | High temperature pollutant removal from gas streams | Herman P. Meissner | 1981-12-29 |
| 4247240 | Solids feeder having a solids-liquid separator | Kenneth Burnham | 1981-01-27 |
| 4191539 | Method for feeding caking coal particles to a gasifier | Jitendra G. Patel, John W. Loeding | 1980-03-04 |