Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391232 | Particulate matter sensor | David D. Cabush, Alfredo Ibarra Covarrubias, David A. Goulette | 2022-07-19 |
| 8682564 | Camshaft position sensing in engines with electric variable cam phasers | Sebastien Stoltz-Douchet, Jeffrey M. Pfeiffer | 2014-03-25 |
| 8468989 | Method for operating a camshaft phaser | James P. Waters | 2013-06-25 |
| 8464675 | Method for operating an oil control valve | James P. Waters | 2013-06-18 |
| 8145404 | Method for synchronizing an oil control valve as a virtual check valve | Jeffrey M. Pfeiffer | 2012-03-27 |
| 8127728 | Vane-type cam phaser having dual rotor bias springs | Thomas H. Fischer | 2012-03-06 |
| 6718921 | Method and apparatus for cleaning an oil control valve for an internal combustion engine | Amanpal S. Grewal, Daniel L. McKay, James P. Waters, Jeffrey M. Pfeiffer | 2004-04-13 |
| 5230308 | Low mass direct acting hydraulic valve lifter | Donald G. Engel, John J. Krieg, Michael Warden, Werner Herrmann, Richard K. Donoghue +1 more | 1993-07-27 |
| 4696809 | Process and apparatus for thermolytically dissociating water | Andre Vialaron, Gabriel Olalde | 1987-09-29 |