Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7607638 | EGR valve having rest position | Joseph A. Wilson, John W. Duddles, Hal Pringle | 2009-10-27 |
| 7594494 | Assembly with non-contacting position sensor | Robert D. Keefover, Hal Pringle | 2009-09-29 |
| 7487789 | Gaseous fluid metering valve | Robert J. Telep, Robert D. Keefover | 2009-02-10 |
| RE40350 | Fail safe throttle positioning system | Gary W. Kotchi | 2008-06-03 |
| 7337764 | Pressure balanced bearing | Hal Pringle, Robert D. Keefover | 2008-03-04 |
| 7191754 | Position sensor apparatus and method | Robert D. Keefover, Hal Pringle | 2007-03-20 |
| 7182063 | Assembly with non-contacting position sensor | Robert D. Keefover, Hal Pringle | 2007-02-27 |
| 7174998 | Submerged electric fluid pump | Hal Pringle, Robert D. Keefover | 2007-02-13 |
| 7086636 | Gaseous fluid metering valve | Robert J. Telep, Robert D. Keefover | 2006-08-08 |
| 6854443 | Assembly for electronic throttle control with non-contacting position sensor | Robert D. Keefover, Hal Pringle | 2005-02-15 |
| 6683429 | Electric positional actuator | Hal Pringle, Robert D. Keefover, John W. Duddles | 2004-01-27 |
| 6491020 | Injection molded throttle body | Gary W. Kotchi | 2002-12-10 |
| 6354267 | Injection molded throttle body | Gary W. Kotchi | 2002-03-12 |
| 6260528 | Method for assembling an intake manifold | Hal Pringle, David L. Schumacher, Kevin C. Beach | 2001-07-17 |
| 5992370 | Short runner valve shaft biasing assembly | Hal Pringle, David L. Schumacher, Kevin C. Beach | 1999-11-30 |
| 5584273 | Throttle valve actuator with non-linear to linear cam operation | — | 1996-12-17 |
| 5429090 | Fail safe throttle positioning system | Gary W. Kotchi | 1995-07-04 |