Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7235016 | Universal joint lubrication | Daryl J. Jaeger | 2007-06-26 |
| 7077754 | Telescopic guard for coupled shafts | George N. P. Hansen | 2006-07-18 |
| 6666614 | Automatic latching lockout shaft sensing coupler | Scott J. Zangl | 2003-12-23 |
| 5807179 | Torque overload free motion devices | George N. P. Hansen, Roger D. Mayhew | 1998-09-15 |
| 5803811 | Torque overload clutch and clutch plate | — | 1998-09-08 |
| 5779385 | Automatic uncocking shaft sensing coupler | — | 1998-07-14 |
| 5681222 | Torque overload clutch coupler for a torque transmitting driveline | George N. P. Hansen, Roger D. Mayhew | 1997-10-28 |
| 5632568 | Automatic uncocking shaft sensing coupler | — | 1997-05-27 |
| 5531307 | Shear element type clutch | George N. P. Hansen | 1996-07-02 |
| 5326322 | Cone style universal joint | — | 1994-07-05 |