Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6880769 | Electronically-controlled fuel injector | Dana R. Coldren, L. Glenn Waterfield | 2005-04-19 |
| 6856222 | Biarmature solenoid | — | 2005-02-15 |
| 6792921 | Electronically-controlled fuel injector | L. Glenn Waterfield | 2004-09-21 |
| 6739575 | Piezoelectric valve system | Clifford E. Cotton, III, Richard H. Holtman, Ronald D. Shinogle | 2004-05-25 |
| 6705588 | Piezoelectric valve system | Clifford E. Cotton, III, Richard H. Holtman, Ronald D. Shinogle, L. Glenn Waterfield | 2004-03-16 |
| 6695283 | Piezoelectric valve system | Clifford E. Cotton, III, Richard H. Holtman, Ronald D. Shinogle, L. Glenn Waterfield | 2004-02-24 |
| 6684854 | Auxiliary systems for an engine having two electrical actuators on a single circuit | Dana R. Coldren, Stephen R. Lewis, Michael R. Huffman, Matthew Bredesen | 2004-02-03 |
| 6679474 | Piezoelectric valve system | Clifford E. Cotton, III, Richard H. Holtman, Ronald D. Shinogle, L. Glenn Waterfield | 2004-01-20 |
| 6655654 | Piezoelectric valve system | Clifford E. Cotton, III, Richard H. Holtman, Ronald D. Shinogle, L. Glenn Waterfield | 2003-12-02 |
| 6595188 | Compact valve assembly and fuel injector using same | James J. Streicher, Dana R. Coldren | 2003-07-22 |
| 6512323 | Piezoelectric actuator device | Larry G. Waterfield | 2003-01-28 |
| 6376969 | Apparatus and method for providing temperature compensation of a piezoelectric device | — | 2002-04-23 |
| 6279843 | Single pole solenoid assembly and fuel injector using same | Dana R. Coldren, Prabhakar Ramalingam, Trent A. Riggs | 2001-08-28 |
| 6167869 | Fuel injector utilizing a multiple current level solenoid | David E. Martin, Dana R. Coldren, Marvin P. Schneider, Prabhakar Ramalingam | 2001-01-02 |
| 5986871 | Method of operating a fuel injector | Umesh Shah | 1999-11-16 |
| 5984210 | Fuel injector utilizing a solenoid having complementarily-shaped dual armatures | Umesh Shah | 1999-11-16 |
| 5915624 | Fuel injector utilizing a biarmature solenoid | Dana R. Coldren, Marvin P. Schneider, David E. Martin | 1999-06-29 |
| 5597118 | Direct-operated spool valve for a fuel injector | Jeffrey Carter, Howard N. Cannon, Kirk Shively, Raj T. Nagarajan, Steven F. Meister | 1997-01-28 |