Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5482089 | Flexible conduit for the exhaust line for an internal combustion engine | Siegfried Grohnert, Rolf Kirsch | 1996-01-09 |
| 5405118 | Resilient support assembly providing vibration suppression | Peter Dietz, Volkmar Keck | 1995-04-11 |
| 5317619 | Film changer | Mark Hellmick, Leif Johansson | 1994-05-31 |
| 5087020 | Cushion bearing for motor vehicles | Volkmar Keck, Siegfried Grohnert, Manfred Thesenvitz | 1992-02-11 |
| 5042056 | Film changer | Mark Hellmick, Leif Johansson | 1991-08-20 |
| 4924486 | Film-receiving cassette having spiral guide plate | Lief A. Johansson | 1990-05-08 |
| 4895115 | Mount with insulation for solid-conducted sound, in particular for an internal combustion engine | Manfred Thesenvitz, Volkmar Keck, Siegfried Grohnert | 1990-01-23 |
| 4893322 | Film changer | Mark Hellmick, Leif Johansson | 1990-01-09 |
| 4824166 | Understructure for an automobile | Dietrich Denker, Peter Seifert, Horst Schicht | 1989-04-25 |
| 4807857 | Soft mounting for insulating body-transmitted acoustic waves | Franz J. Wolf, Hubert Pletsch, Volkamr Keck | 1989-02-28 |
| 4782504 | Method and apparatus for an improved programmable X-ray film changer | Mark H. Helmick, Lief A. Johansson | 1988-11-01 |
| 4697077 | Vane encoder assembly for adjusting an optical encoder in a data storage device | Sang S. Rhee | 1987-09-29 |
| 4693653 | Mounting element for a flat insulating body which can be attached to a thin-walled base | Rainer Schubert | 1987-09-15 |
| 4319134 | Optical encoder | — | 1982-03-09 |
| 4224514 | Optical encoder | — | 1980-09-23 |
| 4197922 | Air intake pipe for an internal combustion engine | Volkmar Keck, Rolf Engelking | 1980-04-15 |