Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651433 | Brayton screw engine with brayton bottoming system | — | 2003-11-25 |
| 5241817 | Screw engine with regenerative braking | — | 1993-09-07 |
| 5195881 | Screw-type compressor/expander with valves at each axial end of rotors | — | 1993-03-23 |
| 5121607 | Energy recovery system for large motor vehicles | — | 1992-06-16 |