Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843326 | Method and apparatus for determining when a fastener is tightened to a predetermined tightness by a pulse output tightening tool, and a pulsed output tightening tool incorporating the apparatus | — | 2005-01-18 |
| 6609407 | Test apparatus for a wrench used to test previously tightened fasteners | — | 2003-08-26 |
| 5689434 | Monitoring and control of fluid driven tools | John J. Linehan | 1997-11-18 |
| 5592396 | Monitoring and control of fluid driven tools | John J. Linehan | 1997-01-07 |
| 5581042 | Method for torque wrench non-contact angle measurement | — | 1996-12-03 |
| 4941362 | Torque and angular displacement sensing in controlled wrenches | — | 1990-07-17 |
| 4823616 | Torque and angular displacement sensing in yield threshold controlled wrenches | — | 1989-04-25 |
| 4316512 | Impact wrench | Ian E. Kibblewhite, John Talbot Boys | 1982-02-23 |
| 4211120 | Tightening apparatus | — | 1980-07-08 |