Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8852042 | Flatwire radial asymmetric damping by coil reaction path | — | 2014-10-07 |
| 7487856 | Electrically actuated, hydraulic power steering system | Joey D. Edson, Randy C. Foster, Billy L. Speer | 2009-02-10 |
| 7426977 | Vehicle power steering system | Joey D. Edson, Klaus Engel, Randy C. Foster | 2008-09-23 |
| 7354363 | Magnetorheological fluid V-ribbed belt tensioner with through shaft | Randy C. Foster | 2008-04-08 |
| 7229374 | Dual friction surface asymmetric damped tensioner | William Bowman, Steven Eck, Kevin G. Dutil, Earl E. McShane | 2007-06-12 |
| 7163478 | Belt tensioner having an automatically adjustable travel stop | Larry R. Oliver, Joseph W. Zamm | 2007-01-16 |
| 7118504 | Hydraulic asymmetric damped belt tensioner | Joseph W. Zamm | 2006-10-10 |
| 6884194 | Hydraulic asymmetric damped belt tensioner | — | 2005-04-26 |
| 6863631 | Unidirectional motion asymmetric damped tensioner | William Bowman, Kevin G. Dutil, Steven Eck, Earl E. McShane | 2005-03-08 |
| 6689001 | Adaptive belt tensioner system for control of reversible torque load pulley | Larry R. Oliver, Joseph W. Zamm | 2004-02-10 |
| 6640563 | Momentary engagement and disengagement of automotive air conditioner clutch | Daniel G. Engler | 2003-11-04 |
| 6397995 | Method for controlling a clutch for an engine-powered system in an automotive vehicle | Eric D. Ellsworth | 2002-06-04 |
| 5967925 | Pulley with controlled surface irregularity for an internal combustion engine | — | 1999-10-19 |
| 5873799 | Speed responsive locking drive belt tensioner for an automotive engine | — | 1999-02-23 |
| 5752891 | Electronically controlled accessory drive system for the automotive engine | Gerard S. Toth | 1998-05-19 |
| 5700212 | System for powering rotating accessories of an internal combustion engine | — | 1997-12-23 |
| 5531648 | Accessory drive system for an automotive engine | Gerard S. Toth | 1996-07-02 |
| 5439420 | Accessory drive system for an automotive engine | Gerard S. Toth | 1995-08-08 |
| 5256113 | Automotive accessory drive belt tensioner | Thomas S. Bushman, Thomas R. Lahvic, Robert G. Rebandt, II, Timothy Vaughn | 1993-10-26 |
| 5131889 | Automotive engine accessory drive tensioner | Timothy Vaughn | 1992-07-21 |
| 5040493 | Automotive intake manifold with integral alternator | Arthur J. Gajewski | 1991-08-20 |
| 4987985 | Automotive fan drive train assembly having a hydraulic coupler and a viscous clutch | James R. Clarke | 1991-01-29 |