Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5452996 | Position-independent rotary piston internal combustion engine | Dankwart Eiermann | 1995-09-26 |
| 5011387 | Rotary piston internal combustion engine | — | 1991-04-30 |
| 4940400 | Lubrication system for a rotary-piston internal combustion engine | Manfred Fischer | 1990-07-10 |
| 4842494 | Refrigerator compressor/internal combustion engine unit of the rotary piston type | — | 1989-06-27 |