Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641230 | Anti-locking brake system for a land vehicle | Helmut Gegalski, Thomas Wald, Josef Knechtgens, Thomas Bach, Andreas Marx +2 more | 2003-11-04 |
| 6425986 | Process for degassing a paper stock suspension | Anton Gmeiner | 2002-07-30 |
| 5970588 | Unlockable snap fastener | Winifred Hurtz | 1999-10-26 |
| 5894641 | Snap fastener closure | Winfried Hurtz | 1999-04-20 |
| 5626431 | Felt-tip pen wth refilling means | Norbert Hetzer | 1997-05-06 |
| 5529170 | Feed screw for sedimentation or treatment systems | Helmut Pfeifhofer | 1996-06-25 |
| 5358605 | Process for recycling waste paper | Hans-Dieter Dorflinger | 1994-10-25 |
| 5181300 | Waistband fastener | — | 1993-01-26 |
| D328465 | Air compressor | Eugen Rutschle | 1992-08-04 |
| 4207752 | Method and apparatus for recovering heat from waste water | — | 1980-06-17 |