Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11652387 | Electric motor including a rotor | Michael Stark, Bernhard Winter | 2023-05-16 |
| 11211843 | Electric motor including a rotor | Michael Stark, Bernhard Winter | 2021-12-28 |
| 9726559 | Load cell for weight measurement | Benjamin Bodmer, Frank Metzger | 2017-08-08 |
| 8840515 | Motor vehicle transmission having a controllable differential | Frederik Ernst Carel Van Der Hardt Aberson, Uwe Firzlaff | 2014-09-23 |
| 6846255 | Pressure feed to a shaft | — | 2005-01-25 |
| 6843740 | Pressure feed to a shaft | Manfred Sulzmann, Detlef Plath | 2005-01-18 |
| 6127426 | 10-substituted 1,8-dihydroxy-9 (10H) anthracenone pharmaceuticals | Wolfgang Wiegrebe, Dieter Gurster, Susanne Peters, nee Piwek | 2000-10-03 |
| 5952390 | 10-substituted 1,8-dihydroxy-9(10H) anthracenone pharmaceuticals | Wolfgang Weigrebe, Hans-Georg Reindl | 1999-09-14 |
| 5922891 | 2-substituted 1,8-dihydroxy-9(10H)-anthracenone pharmaceuticals | Helge Prinz, Wolfgang Wiegrebe | 1999-07-13 |
| 5844004 | 10-substituted 1,8-dihydroxy-9 (10H) anthracenone pharmaceuticals | Wolfgang Wiegrebe, Dieter Gurster, Susanne Peters, nee Piwek | 1998-12-01 |
| 5705533 | 10-thio-substituted 1,8-dihydroxy-9 (10H) -anthracenone pharmaceuticals | Hsu-Shan Huang, Wolfgang Wiegrebe | 1998-01-06 |
| 5661187 | 10-substituted 1,8-dihydroxy-9 (10H) anthracenone pharmaceuticals | Wolfgang Wiegrebe, Dieter Gurster, Susanne Peters, nee Piwek | 1997-08-26 |
| 5523007 | Stabilized diesel engine oil | Ulrich Kristen, Michael Rasberger | 1996-06-04 |
| 5426197 | 10-substituted 1,8-dihydroxy-9(10H) anthracenone pharmaceuticals | Wolfgang Wiegrebe, Dieter Gurster, Susanne Peters, nee Piwek | 1995-06-20 |
| 5354843 | Flanking peptides of calcitonin and processes for their manufacture | Hans Rink | 1994-10-11 |
| 5212321 | Process for the preparation of trimethylene carbonate | Berthold Buchholz, Joachim Hess | 1993-05-18 |
| 5149833 | Process for preparing D,L-Lactide | Joachim Hess, Manfred Muller | 1992-09-22 |
| 5084553 | Copolymers of lactic acid and tartaric acid, the production and the use thereof | Joachim Hess | 1992-01-28 |
| 5073277 | Lubricants containing ammonium salts of methylphosphonic acid | Hermann O. Wirth | 1991-12-17 |
| 5011946 | Process for preparing D,L-Lactide | Joachim Hess, Manfred Muller | 1991-04-30 |
| 4999433 | Process for the preparation of benzotriazole derivatives | Helmut Prestel | 1991-03-12 |
| 4962227 | Methylphosphonic acid amine salt lubricant additives | Hermann O. Wirth | 1990-10-09 |
| 4945187 | Process for preparing enantiomerically pure propan-1,2-diols | — | 1990-07-31 |
| 4916126 | Diacyl derivatives of 4-(trialkylbenzyl)-piperazinyl compounds | Peter Traxler, Wilhelm Kump | 1990-04-10 |
| 4847457 | Methylphosphonic acid amine salt lubricant additives | Hermann O. Wirth | 1989-07-11 |