Issued Patents All Time
Showing 126–141 of 141 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7685980 | System for selectively varying engine valve open duration | Jeffrey D. Rohe, Edward S. Suh, Michael Knauf | 2010-03-30 |
| 7409934 | System for variable valvetrain actuation | Jeffrey D. Rohe | 2008-08-12 |
| 7409935 | Method and apparatus for setting bias spring load during assembly of a camshaft phaser | Cai P. Shum | 2008-08-12 |
| 7363893 | System for variable valvetrain actuation | Jeffrey D. Rohe, Richard B. Roe, Jeffrey S. Gutterman | 2008-04-29 |
| 7350487 | Method for reducing phaser rotational instability in an internal combustion engine | Jeffrey M. Pfeiffer | 2008-04-01 |
| 7008198 | Cam operated pump having lost motion shuttle | John J. Krieg, Thomas H. Fischer | 2006-03-07 |
| 6799543 | Valve deactivation system with free motion spring | Kenneth J. Dauer, Nick J. Hendriksma | 2004-10-05 |
| 6758184 | Method and apparatus for reducing oscillatory camshaft torque in an internal combustion engine | John J. Krieg, Thomas H. Fischer | 2004-07-06 |
| 6755167 | Two-step roller finger cam follower having spool-shaped low-lift roller | John J. Krieg, Timothy W. Kunz, Nick J. Hendriksma, Wayne S. Harris, James A. Niemeier +2 more | 2004-06-29 |
| 6732691 | Engine phaser control system using phaser instability measurement | Timothy M. Nieves, Jeffrey M. Pfeiffer, Amanpal S. Grewal | 2004-05-11 |
| 6604498 | Actuation mechanism for mode-switching roller finger follower | Hermes A. Fernandez, Ryan D. Fogarty, Wayne S. Harris, Michael E. McCarroll, Nick J. Hendriksma | 2003-08-12 |
| 6502536 | Method and apparatus for two-step cam profile switching | Hermes A. Fernandez, Wayne S. Harris, Ryan D. Fogarty | 2003-01-07 |
| 6463897 | Mechanical assist actuation bracket for deactivation and two-step roller finger followers | Hermes A. Fernandez, Ryan D. Fogarty, Wayne S. Harris, Nick J. Hendriksma | 2002-10-15 |
| 6439179 | Deactivation and two-step roller finger follower having a bracket and lost motion spring | Nick J. Hendriksma | 2002-08-27 |
| 6321705 | Roller finger follower for valve deactivation | Hermes A. Fernandez, Mark J. Spath, Nick J. Hendriksma | 2001-11-27 |
| 5558054 | Variable preload system for valve springs | Susumu Ariga | 1996-09-24 |