Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651686 | High-speed, port-controlled, two-stroke internal combustion engine with crankcase scavenging | — | 1987-03-24 |
| 4473039 | Method and device for reducing intake noises and mechanical vibrations in slot-controlled 2-cycle internal combustion engines | — | 1984-09-25 |
| 4458636 | Method to reduce noise in the operation of port-controlled, two-stroke internal combustion engine, particularly | — | 1984-07-10 |
| 4420063 | Arrangement for reducing the suction and/or exhaust noises for rapid speed combustion machines | Volker Bohlmann | 1983-12-13 |