Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6109659 | Hydrostatic rotary union | David C. Heidenreich | 2000-08-29 |
| 5257684 | Coupling assembly | — | 1993-11-02 |
| 5046593 | Coupling assembly | Ronald W. Diesch | 1991-09-10 |
| 4874068 | Clutch and brake rapid exhaust manifold | Ronald W. Diesch | 1989-10-17 |
| 4828089 | Brake/clutch with direct liquid cooling | Peter S. Winckler | 1989-05-09 |
| 4807731 | Clutch and brake assembly | — | 1989-02-28 |
| 4609076 | Spring engaged fluid released multi-disc brake assembly | Robert P. Petkash | 1986-09-02 |
| 4262789 | Water cooled brake having mixed boundary contact between the torque transmitting surfaces | — | 1981-04-21 |
| 4210482 | Variable width tire building drum | — | 1980-07-01 |
| 4203794 | Variable width tire building drum with interdigitated shoes | John Kei Smith | 1980-05-20 |
| 4192702 | Fluid expandable tire building drum with shoe means attached thereto to form a tire building surface | John Kei Smith | 1980-03-11 |
| 4190136 | Coupling apparatus | Kiritkumar R. Patel | 1980-02-26 |