Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7421994 | Hydraulic lash adjuster having a check valve cartridge sub-assembly | Richard B. Roe | 2008-09-09 |
| 7066127 | Controlled engine camshaft stopping position | Jason Flanagan, Timothy W. Kunz, Thomas H. Fischer | 2006-06-27 |
| 6997152 | Lock-pin cartridge for a valve deactivation rocker arm assembly | — | 2006-02-14 |
| 6755167 | Two-step roller finger cam follower having spool-shaped low-lift roller | John J. Krieg, Timothy W. Kunz, Nick J. Hendriksma, James A. Niemeier, Jongmin Lee +2 more | 2004-06-29 |
| 6691657 | Two-step finger follower rocker arm | Nick J. Hendriksma, Timothy W. Kunz, Joseph F. Girtler | 2004-02-17 |
| 6668775 | Lock-pin cartridge for a two-step finger follower rocker arm | — | 2003-12-30 |
| 6615782 | Two-step finger follower rocker arm | Nick J. Hendriksma, Timothy W. Kunz, Joseph F. Girtler | 2003-09-09 |
| 6604498 | Actuation mechanism for mode-switching roller finger follower | Hermes A. Fernandez, Ryan D. Fogarty, Jongmin Lee, Michael E. McCarroll, Nick J. Hendriksma | 2003-08-12 |
| 6502536 | Method and apparatus for two-step cam profile switching | Jongmin Lee, Hermes A. Fernandez, Ryan D. Fogarty | 2003-01-07 |
| 6499451 | Control system for variable activation of intake valves in an internal combustion engine | Nick J. Hendriksma | 2002-12-31 |
| 6467445 | Deactivation and two-step roller finger follower having a slider bracket | — | 2002-10-22 |
| 6463897 | Mechanical assist actuation bracket for deactivation and two-step roller finger followers | Hermes A. Fernandez, Ryan D. Fogarty, Jongmin Lee, Nick J. Hendriksma | 2002-10-15 |
| 6276321 | Cam phaser having a torsional bias spring to offset retarding force of camshaft friction | Thomas H. Lichti, Michael J. Fox, Jason Urckfitz | 2001-08-21 |
| 5245958 | Direct acting hydraulic valve lifter | John J. Krieg, Lucille A. E. Gotham | 1993-09-21 |
| 5119774 | Direct acting hydraulic valve lifter | John J. Krieg, Lucille A. E. Gotham | 1992-06-09 |
| 5070827 | Low mass valve lifters | John J. Krieg, Christopher M. De Minco, Steven F. Lowe, Michael J. Fox | 1991-12-10 |