Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612244 | Method and device for destroying drifting sea mines | Hermann Grosch, Uwe Eisenkolb | 2003-09-02 |
| 5856629 | Unmanned armored minesweeping vehicle | Hermann Grosch, Knut Krüger | 1999-01-05 |
| 5771833 | Arrangement for sweeping moored lines | — | 1998-06-30 |
| 4832835 | Air pillow in the air chambers of a bottom pulsed jigging machine | Werner Strauss, Helmut Timmermann, Karl-Heinz Weiffen | 1989-05-23 |
| 4447211 | Simulated portable rocket launcher | Bernd M. Kern | 1984-05-08 |
| 4342556 | Apparatus for simulated shooting with hit indicator | — | 1982-08-03 |
| 4264441 | Automatic control for electro-pneumatic wet settling | Friedhelm Heubner, Karl-Heinz Weiffen | 1981-04-28 |
| 4252638 | Method for the desulfurization of coal | Hans Bender, Roland Pfeiffer, Karl-Heinz Unkelbach | 1981-02-24 |