Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661042 | Coaxial turbomachine | — | 1987-04-28 |
| 4420141 | Variable rate valve spring | — | 1983-12-13 |
| 4406257 | Cam roller follower | Frank E. Keske | 1983-09-27 |
| 4366785 | Tappet with wear resisting insert | Paul J. Staebler | 1983-01-04 |
| 4343355 | Low stress heat exchanger and method of making the same | George B. Grim | 1982-08-10 |
| 4338998 | Low profile heat exchanger and method of making the same | — | 1982-07-13 |
| 4326672 | Rotary fuel injection apparatus | — | 1982-04-27 |
| 4313301 | Rotating fluidized bed heat exchanger | William H. Belke, George B. Grim | 1982-02-02 |
| 4304445 | Stub shaft bearing | — | 1981-12-08 |
| 4293050 | Transmission-differential combination | Ralph E. Denning | 1981-10-06 |
| 4291535 | Method and apparatus avoiding blowdown losses in compound engines | — | 1981-09-29 |
| 4282009 | Rotating fluidized bed gasifier system | William H. Belke, George B. Grim | 1981-08-04 |
| 4273178 | Vibrator casting system with feedback | — | 1981-06-16 |
| 4273087 | Dual fuel rotary controlled pilot and main injection | — | 1981-06-16 |
| 4187807 | Cooled engine valve with improved heat transfer | Richard A. Cemenska | 1980-02-12 |