Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4688471 | Air motor having instant torque and low air consumption | Irwin Walle | 1987-08-25 |
| 4589328 | Rotary piston engine with reciprocating cylinders having sealing and friction reducing members | — | 1986-05-20 |
| 4534272 | Low inertia and low friction rotating cylinder engine | — | 1985-08-13 |
| 4531360 | Rotating cylinder external combustion engine | — | 1985-07-30 |
| 4503754 | Rotary cylinder engines with pistons having balanced loads | — | 1985-03-12 |
| 4478135 | Rotating cylinder continuous external combustion engine | — | 1984-10-23 |
| 4458480 | Rotating cylinder external combustion engine | — | 1984-07-10 |
| 4454712 | Rotating cylinder external combustion engine | — | 1984-06-19 |
| 4455125 | Rotating cylinder fluid pressure device | — | 1984-06-19 |
| 4413486 | Rotating cylinder external combustion engine | — | 1983-11-08 |