Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6837198 | Variable valve distributor for load-controlling a spark-ignited internal combustion engine | Frank Himsel | 2005-01-04 |
| 6223706 | Tappet for the valve gear of an internal combustion engine | Oliver Schnell | 2001-05-01 |
| 6213076 | Cylinder head assembly of an internal combustion engine | Gerald Fischer, Michael Haas | 2001-04-10 |
| 6164255 | Switchable cam follower | Oliver Schnell, Michael Haas | 2000-12-26 |
| 6053133 | Tappet for an internal combustion engine valve drive | Christof Faria | 2000-04-25 |
| 5878705 | Device for the optional actuation of at least one gas exchange valve | — | 1999-03-09 |
| 5823151 | Valve gear cam follower in an internal combustion engine | Harald Elendt, Michael Haas | 1998-10-20 |
| 5782216 | Engageable tappet for a valve drive of an internal combustion engine | Michael Haas, Walter Speil, Birger Wollboldt | 1998-07-21 |
| 5746165 | Valve drive of an internal combustion engine | Walter Speil | 1998-05-05 |
| 5655487 | Switchable support element | Michael Haas | 1997-08-12 |
| 5651335 | Valve tappet | Harald Elendt, Gerald Fischer, Christof Faria, Michael Haas, Hermann Wiehl | 1997-07-29 |
| 5454353 | Tappet with anti-rotation device | Harald Elendt, Christof Faria, Gerald Fischer, Michael Haas | 1995-10-03 |