Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7726129 | Stirling cycle engine | — | 2010-06-01 |
| 7311077 | Rotary positive displacement machine with orbiting piston | — | 2007-12-25 |
| 7231894 | Rotary positive displacement machine | — | 2007-06-19 |
| 6296462 | Rotary positive-displacement fluid machines | David Peter Davidson | 2001-10-02 |
| 6226986 | Rotary positive displacement fluid machine | Ann Margaret Driver | 2001-05-08 |
| 4831827 | Heat transfer systems | — | 1989-05-23 |
| 4362014 | Rotary machines and power systems using said machines | Edwin J. Hardaker | 1982-12-07 |
| 4303693 | Method of applying a ceramic coating to a metal workpiece | — | 1981-12-01 |