Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172796 | Reduced cost viscous coupling by-pass element for a torque converter | Lester Campbell, Edward J. Bojas | 1992-12-22 |
| 5092825 | Modulating limited slip differential | David A. Janson | 1992-03-03 |
| 4976667 | Differential clutch and lever actuation system therefor | — | 1990-12-11 |
| 4974714 | Clutch assembly and improved low pressure control therefor | — | 1990-12-04 |
| 4919008 | Differential smart clutch with gear reaction | — | 1990-04-24 |
| 4873882 | Manual transmission and gear rattle damper therefor | — | 1989-10-17 |
| 4597746 | Fan drive system for transverse engine | — | 1986-07-01 |
| 4554845 | Positive drive and secondary clutch means therefor | — | 1985-11-26 |
| 4513633 | Positive drive and generated cam surfaces therefor | — | 1985-04-30 |
| 4507984 | Single shaft positive drive | — | 1985-04-02 |
| 4488454 | Balking clamp positive drive | — | 1984-12-18 |
| 4446697 | Hydraulic fan drive system including variable displacement pump | — | 1984-05-08 |
| 4433764 | Clutch-brake assembly | — | 1984-02-28 |
| 4412459 | Controlled differential | — | 1983-11-01 |
| 4389909 | Cam mechanism for limited slip or locking differential | — | 1983-06-28 |
| 4373482 | Flexible shaft fan drive | — | 1983-02-15 |
| 4280375 | Controlled differential | — | 1981-07-28 |
| 4266445 | Locking differential | — | 1981-05-12 |
| 4265143 | Latch mechanism for locking differential | Phillip E. Konkle | 1981-05-05 |
| 4238013 | Contact improver for clutch of a slip limiting differential | — | 1980-12-09 |
| 4189919 | Motor-valve apparatus for hydraulic fan drive system | — | 1980-02-26 |