Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7565890 | Rail used as a torsional stop for the valve train of an internal combustion engine, and roller tappet arrangement | Hermann Keller | 2009-07-28 |
| 7431001 | Rail used as a torsional stop for the valve train of an internal combustion engine, and roller tappet arrangement | Hermann Keller | 2008-10-07 |
| 7275507 | Rail used as a torsional stop for the valve train of an internal combustion engine, and roller tappet arrangement | Hermann Keller | 2007-10-02 |
| 7159553 | Valve train for an internal combustion engine | Peter Sailer | 2007-01-09 |