Issued Patents All Time
Showing 25 most recent of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10502303 | Cam follower and guide assembly | Michael E. McCarroll, Anteo Opipari | 2019-12-10 |
| 8770162 | Lifter guide assembly for an internal combustion engine | Gerald R. Stabel, Kenneth J. Veenstra | 2014-07-08 |
| 8662035 | Oil pressure control system for switchable valve train components | — | 2014-03-04 |
| 8640334 | Method of setting lash in a cam phaser | William P. Vukovich | 2014-02-04 |
| 8360023 | Engine including valve lift mechanism with oil flow control features | — | 2013-01-29 |
| 8215276 | Compact switchable hydraulic lash adjuster with hydraulic lost motion assist | — | 2012-07-10 |
| 8196556 | Apparatus and method for setting mechanical lash in a valve-deactivating hydraulic lash adjuster | — | 2012-06-12 |
| 8151752 | Deactivating hydraulic lash adjuster for oriented mounting in an engine | — | 2012-04-10 |
| 7882814 | Inner arm stop for a switchable rocker arm | Mark J. Spath, Michael E. McCarroll | 2011-02-08 |
| 7757648 | Switchable valve train member | Mark J. Spath | 2010-07-20 |
| 7685984 | Mechanical lash ring for a switchable valve train member | John Joseph Burns | 2010-03-30 |
| 7673601 | Valve lifter assembly for selectively deactivating a cylinder | Mark J. Spath, Michael J. Fox | 2010-03-09 |
| 7614375 | Roller bearing and z-stop for a two-step roller finger follower | Cynthia A. Tawaf, Andrew J. Lipinski, William D. Bauman, Carl R. Kangas, Albert C. Stone +2 more | 2009-11-10 |
| 7455040 | Hydraulic circuit for switchable cam followers | Mark J. Spath, Michael J. Dinkel | 2008-11-25 |
| 7395792 | Deactivation roller hydraulic valve lifter | Mark J. Spath | 2008-07-08 |
| 7322329 | Assembly process for hydraulic valve lifters to reduce variation in valve lift | David Draeger | 2008-01-29 |
| 7308879 | Deactivation roller hydraulic valve lifter | Mark J. Spath | 2007-12-18 |
| 7305944 | Control strategy for hydraulically-switched engine mechanisms | — | 2007-12-11 |
| 7305951 | Two-step roller finger follower | Hermes A. Fernandez, Andrew J. Lipinski, Thomas H. Fischer, Timothy W. Kunz | 2007-12-11 |
| 7296548 | Deactivation roller hydraulic valve lifter | Mark J. Spath | 2007-11-20 |
| 7263956 | Valve lifter assembly for selectively deactivating a cylinder | Mark J. Spath, Michael J. Fox | 2007-09-04 |
| 7104232 | Deactivation roller hydraulic valve lifter | Mark J. Spath | 2006-09-12 |
| 7093572 | Roller finger follower assembly for valve deactivation | Timothy W. Kunz | 2006-08-22 |
| 7047925 | Dual feed hydraulic lash adjuster | Timothy W. Kunz | 2006-05-23 |
| 6976463 | Anti-rotation deactivation valve lifter | Mark J. Spath, David Draeger, William D. Bauman | 2005-12-20 |