Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7534193 | Coupling assembly | William G. Hunt, Randy L. Sommer | 2009-05-19 |
| 7458911 | Drive system for motor vehicle | James A. Krisher, Kenneth E. Cooper, Thomas L. Nahrwold, Gordon W. Hunt, Randy L. Sommer | 2008-12-02 |
| 7438542 | Fluid pump assembly | Randy L. Sommer, Stephen Garlick | 2008-10-21 |
| 7210566 | Friction coupling assembly with auxiliary clutch control of fluid pump | — | 2007-05-01 |
| 7186199 | Torque vectoring gear drive apparatus | — | 2007-03-06 |
| 6951522 | Active differential assembly | Randy L. Sommer, William G. Hunt | 2005-10-04 |
| 6865970 | Engine oil pan and transfer case housing assembly | — | 2005-03-15 |
| 6837820 | Differential drive gear assembly | — | 2005-01-04 |
| 6626053 | Motor vehicle torque transfer case pump drive | Wesley M. Dick | 2003-09-30 |
| 6582331 | Lubrication system for endless element of transfer case | — | 2003-06-24 |
| 6578657 | Driveline angle reducer | — | 2003-06-17 |
| 5996758 | Electromagnetically controlled bi-directional one-way clutch apparatus | — | 1999-12-07 |
| 5954612 | Multi-speed offset transfer case | — | 1999-09-21 |
| 5709135 | Clam-shell shaped differential housing and lubrication system therefor | — | 1998-01-20 |
| 5702319 | Hydromechanical system for limiting differential speed between differentially rotating members | — | 1997-12-30 |
| 5613587 | Transfer case friction plate synchronizer | — | 1997-03-25 |
| 5522777 | Electronic transfer case shifting apparatus | Randy L. Sommer | 1996-06-04 |
| 5443429 | Automatic powershifting transfer case for a vehicle | — | 1995-08-22 |
| 5334116 | All wheel drive transfer case having two wheel overdrive | — | 1994-08-02 |
| 5320586 | Locking limited slip planetary transfer case | — | 1994-06-14 |
| 5226860 | Vehicle torque transfer case | Robert Leeper, David C. Reuter | 1993-07-13 |