Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6190258 | Torque limiter clutch | David C. Heidenreich | 2001-02-20 |
| 5688176 | Multiple disk torque limiter for hollow shaft motors | David C. Heidenreich | 1997-11-18 |
| 5135088 | Compact torque limiting clutch | David C. Heidenreich | 1992-08-04 |
| 5020650 | Torque limiting clutch having set torque range over its useful life | David C. Heidenreich | 1991-06-04 |
| 5002517 | Friction disc torque limiter | David C. Heidenreich | 1991-03-26 |
| 4661083 | Multiple disc torque limiting clutch | David C. Heidenreich | 1987-04-28 |