Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4754612 | Method for optimizing the mechanical output of a fluid pressure free piston engine | Wilbur A. Schaich | 1988-07-05 |
| 4586426 | Multi-cylinder piston engine and method of operation thereof | Glenn B. O'Neal, Wilbur A. Schaich | 1986-05-06 |
| 4520632 | Method and apparatus for extracting heat and mechanical energy from a pressured gas | — | 1985-06-04 |
| 4513576 | Gas pressure operated power source | Charles D. Wood | 1985-04-30 |
| 4513575 | Centrifugal piston expander | — | 1985-04-30 |
| 4484511 | Piston | — | 1984-11-27 |
| 4449379 | Method and apparatus for extracting heat and mechanical energy from a pressured gas | — | 1984-05-22 |
| 4433551 | Method and apparatus for deriving mechanical energy from a heat source | — | 1984-02-28 |
| 4420944 | Air cooling system | — | 1983-12-20 |
| 4420945 | Method and apparatus for extracting energy from a pressured gas | — | 1983-12-20 |