Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421877 | Variable cam timing phaser and system including the same | Keith Feldt, Adam Bruce, Chris Thomas | 2025-09-23 |
| 12392265 | Hydraulic variable camshaft timing with a temperature based hydraulic switch | Adam Bruce, Keith Feldt | 2025-08-19 |
| 12000315 | Variable cam timing phaser and system including the same | Keith Feldt, Adam Bruce, Chris Thomas | 2024-06-04 |
| 10865666 | Check valve for exhausting flow of fluid from a variable cam timing phaser | Adam Bruce, Keith Feldt | 2020-12-15 |
| 10808580 | Electrically-actuated VCT lock | Chad McCloy | 2020-10-20 |
| 10690019 | Zero pressure unlocking system for a phaser | Mark M. Wigsten, Chad McCloy, Chris Pluta, Jonas Anders Adler, Jason Moss +1 more | 2020-06-23 |
| 10539048 | Hydraulic lock for electrically-actuated camshaft phasers | Chad McCloy | 2020-01-21 |
| 9771839 | Camshaft phaser systems and locking phasers for the same | Daniel Brown | 2017-09-26 |
| 9080471 | Cam torque actuated phaser with mid position lock | Christopher J. Pluta, Mark M. Wigsten | 2015-07-14 |
| 7568458 | Valve event reduction through operation of a fast-acting camshaft phaser | David B. Roth | 2009-08-04 |
| 7000580 | Control valves with integrated check valves | Franklin R. Smith, Peter Chapman | 2006-02-21 |
| 6971354 | Variable camshaft timing system with remotely located control system | Franklin R. Smith | 2005-12-06 |
| 6814037 | Variable camshaft timing for internal combustion engine with actuator locking | Franklin R. Smith, Roger T. Simpson, Marty Gardner, Michael Duffield | 2004-11-09 |
| 6729283 | Externally mounted vacuum controlled actuator with position sensor control means to reduce functional and magnetic hysteresis | Roger T. Simpson | 2004-05-04 |
| 6666181 | Hydraulic detent for a variable camshaft timing device | Franklin R. Smith | 2003-12-23 |
| 6634973 | Hydraulic tensioner with two spring biased pistons and cushioned pull-back rack | Roger T. Simpson | 2003-10-21 |
| 6561146 | Method of controlling resonances in internal combustion engine having variable cam timing | Kevin Todd | 2003-05-13 |
| 6453859 | Multi-mode control system for variable camshaft timing devices | Frank R. Smith, Marty Gardner, Mike Duffield | 2002-09-24 |
| 6321706 | Variable valve opening duration system | — | 2001-11-27 |
| 6322468 | Pressure relief valve and dual path vent disc for hydraulic tensioner | Roger T. Simpson | 2001-11-27 |