Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10533463 | Switchable rocker arm and roller retainer thereof | Robert M. Mariuz, Hermes A. Fernandez, Joseph M. West, Chad E. Uckermark | 2020-01-14 |
| 8312849 | Dual intake valve system with one deactivation valve and one multi-lift valve for swirl enhancement | Jongmin Lee | 2012-11-20 |
| 8118002 | Continuously variable valve lift system including valve deactivation capability on one of two dual intake valves | Jongmin Lee | 2012-02-21 |
| 7798113 | Two-step roller finger cam follower assembly having a follower travel limiter | Thomas H. Fischer, Andrew J. Lipinski, Hermes A. Fernandez, Timothy W. Kunz | 2010-09-21 |
| 7421994 | Hydraulic lash adjuster having a check valve cartridge sub-assembly | Wayne S. Harris | 2008-09-09 |
| 7363893 | System for variable valvetrain actuation | Jeffrey D. Rohe, Jongmin Lee, Jeffrey S. Gutterman | 2008-04-29 |
| 7121244 | Anti-rotation guide for a roller follower valve lifter | Ralph Clayson | 2006-10-17 |
| 6988473 | Variable valve actuation mechanism having an integrated rocker arm, input cam follower and output cam body | Jeffrey D. Rohe, Fuat Koro, David J. Trapasso, Thomas H. Fischer | 2006-01-24 |
| 6382173 | Split body deactivation valve lifter | — | 2002-05-07 |
| 6235128 | Carbon and alloy steels thermochemical treatments | John C. H. Chang, John J. Krieg, Steve Stormzand, Tony Wu, Lynn Lu +1 more | 2001-05-22 |
| 5931133 | Roller cam follower bearing shaft retention | Guy Ernest Giannone, Gary Blake, Ralph Clayson | 1999-08-03 |