Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6564764 | Switchable tappet for directly transmitting a cam lift onto a tappet push rod | Henning Karbstein, Mario Kuhl, Alfred Borst | 2003-05-20 |
| 6460495 | Switchable support element | Joachim Seitz, Dieter Schmidt, Bodo Rorig | 2002-10-08 |
| 6435148 | Switchable support element | Bodo Rorig, Dieter Schmidt, Joachim Seitz | 2002-08-20 |
| 6425358 | Switchable support element | Bodo Rorig, Dieter Schmidt, Joachim Seitz | 2002-07-30 |
| 6418894 | Engaging and disengaging support element | Joachim Seitz | 2002-07-16 |
| 6273041 | Cam follower in a valve train of an internal combustion engine switchable between different lifts for at least one gas-exchange valve | Henning Karbstein, Norbert Nitz | 2001-08-14 |
| 6220213 | Rocker arm installed in a cylinder head of a valve train of an internal combustion engine | Dieter Schmidt, Walter Speil | 2001-04-24 |
| 6213076 | Cylinder head assembly of an internal combustion engine | Gerald Fischer, Gerhard Maas | 2001-04-10 |
| 6199028 | Detector for human loss of tracking control | Daniel W. Repperger | 2001-03-06 |
| 6164255 | Switchable cam follower | Gerhard Maas, Oliver Schnell | 2000-12-26 |
| 6119643 | Tappet for a valve train of an internal combustion engine | Walter Speil | 2000-09-19 |
| 6032631 | Tappet for a valve train of an internal combustion engine | Walter Speil | 2000-03-07 |
| 5992360 | Valve drive for gas exchange valves of internal combustion engines | Harald Elendt | 1999-11-30 |
| 5884595 | Mechanical cup pushrod for an internal combustion engine's valve gear | Walter Speil | 1999-03-23 |
| 5875748 | Device and method for operating a valve drive of an internal combustion engine | Walter Speil | 1999-03-02 |
| 5832884 | Device and method for operating a valve drive of an internal combustion engine | Walter Speil | 1998-11-10 |
| 5829400 | Valve gear for an internal combustion engine | Walter Speil | 1998-11-03 |
| 5823151 | Valve gear cam follower in an internal combustion engine | Harald Elendt, Gerhard Maas | 1998-10-20 |
| 5782216 | Engageable tappet for a valve drive of an internal combustion engine | Gerhard Maas, Walter Speil, Birger Wollboldt | 1998-07-21 |
| 5655487 | Switchable support element | Gerhard Maas | 1997-08-12 |
| 5651335 | Valve tappet | Harald Elendt, Gerald Fischer, Gerhard Maas, Christof Faria, Hermann Wiehl | 1997-07-29 |
| 5454353 | Tappet with anti-rotation device | Harald Elendt, Christof Faria, Gerald Fischer, Gerhard Maas | 1995-10-03 |
| 5015188 | Three dimensional tactical element situation (3DTES) display | John C. Pellosie, Jr., Kenneth Aldrich | 1991-05-14 |
| 4798214 | Stimulator for eye tracking oculometer | — | 1989-01-17 |