Issued Patents All Time
Showing 1–25 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7059287 | Switched cam follower or switched support element of a valve gear of an internal combustion engine | Henning Karbstein | 2006-06-13 |
| 6651329 | Method of making a lever-type cam follower | Martin Jäkel | 2003-11-25 |
| 6513472 | Valve train of an internal combustion engine | Oliver Schnell | 2003-02-04 |
| 6470842 | Lever-type cam follower | — | 2002-10-29 |
| 6341587 | Lever-type cam follower for a valve train of an internal combustion engine | Arndt Ihlemann, Martin Jäkel | 2002-01-29 |
| 6318323 | Tappet for a valve mechanism of an internal combustion engine | — | 2001-11-20 |
| 6318322 | Valve drive of an internal combustion engine | — | 2001-11-20 |
| 6279525 | Cam follower formed without removing any material | — | 2001-08-28 |
| 6253721 | Swivel-mounted cam follower for a valve drive of an internal combustion engine | Wolfgang Mayer, Helmut Engelhardt | 2001-07-03 |
| 6220213 | Rocker arm installed in a cylinder head of a valve train of an internal combustion engine | Michael Haas, Dieter Schmidt | 2001-04-24 |
| 6192846 | Housing for an engageable and disengageable bucket tappet | — | 2001-02-27 |
| 6138626 | Operating lever for a valve train of an internal combustion engine | — | 2000-10-31 |
| 6119643 | Tappet for a valve train of an internal combustion engine | Michael Haas | 2000-09-19 |
| 6119644 | Hydraulic clearance compensation element | — | 2000-09-19 |
| 6089200 | Valve tappet actuated by a CAM of an internal combustion engine | Dieter Schmidt | 2000-07-18 |
| 6065435 | Valve tappet actuated by a cam of an internal combustion engine | Dieter Schmidt | 2000-05-23 |
| 6032631 | Tappet for a valve train of an internal combustion engine | Michael Haas | 2000-03-07 |
| 5979385 | Valve tappet actuated by the cam of an internal combustion engine | Dieter Schmidt | 1999-11-09 |
| 5975038 | Pushrod for operating the valve gear mechanism of an internal combustion engine | Gerald Fischer | 1999-11-02 |
| 5954020 | Cup-shaped tappet | Dieter Schmidt, Wolfgang Miereisz, Karl-Ludwig Grell, Reinhard Ammon | 1999-09-21 |
| 5894822 | Support element for a finger lever of a valve drive of an internal combustion engine | — | 1999-04-20 |
| 5890463 | Tappet with a hydraulic valve clearance compensation element | — | 1999-04-06 |
| 5884595 | Mechanical cup pushrod for an internal combustion engine's valve gear | Michael Haas | 1999-03-23 |
| 5875748 | Device and method for operating a valve drive of an internal combustion engine | Michael Haas | 1999-03-02 |
| 5860399 | Hydraulic clearance compensation element | Dieter Schmidt | 1999-01-19 |