Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9651042 | Positive displacement pump having axial movement coupling and rotational decoupling | Andreas Blank, Martin Thoma, Torsten Helle, Hans-Peter Ott, Bernd Hess +1 more | 2017-05-16 |
| 9011125 | Vane pump | Dirk Ehrenfeld, Torsten Helle | 2015-04-21 |
| 8997781 | Vacuum pump | Hans-Peter Ott, Torsten Helle | 2015-04-07 |
| 8973604 | Device for producing and providing a vacuum, and ventilation valve | — | 2015-03-10 |
| 8794942 | Vacuum pump with connection nipple for connection between a rotor shaft and a drive | Bernd Hess | 2014-08-05 |
| 8740589 | Vacuum pump | Bernd Hess | 2014-06-03 |
| 8480386 | Vane for a single-vane vacuum pump | — | 2013-07-09 |
| 8210836 | Vane cell pump with adjustable output | Torsten Helle, Dirk Ehrenfeld | 2012-07-03 |
| 8113794 | Integrated internal gear pump with an electric motor | Torsten Helle | 2012-02-14 |
| 7802971 | Controller for a variable displacement feed pump | Torsten Helle | 2010-09-28 |
| 7785087 | Vane cell pump having pistons guided in cylinder for adjustment of the stator | — | 2010-08-31 |
| 7736134 | Vane machine, in particular vane pump | — | 2010-06-15 |
| 7540729 | Vane cell pump | — | 2009-06-02 |
| 7153110 | Variable volume flow internal gear pump | — | 2006-12-26 |
| 7028659 | Method for adjusting a volumetric flow-variable positive displacement pump in an internal combustion engine | — | 2006-04-18 |
| 6722856 | Vane-cell pump | — | 2004-04-20 |
| 6604924 | Positive-displacement pump | Peter Jeschonnek, Reiner Schmid | 2003-08-12 |
| 6345600 | Arrangement of oil and vacuum pumps for a drive-motor assembly, particularly with an internal combustion engine | — | 2002-02-12 |
| 6264449 | Plastic toothed wheel for a toothed wheel pump | Alexander Maute | 2001-07-24 |
| 6077265 | Nail for fixing the position and shape of broken long bones | Gerd Werding | 2000-06-20 |
| 6068133 | System for separating non-magnetizable metals from a mixture of solids | Joachim Schonfeld, Erwin Kaldenbach, Eberhard Stodt, Elmar Klomfass, Reyk Buch +1 more | 2000-05-30 |
| 6025537 | Nail for maintaining the location and shape of broken long bones | Gerd Werding | 2000-02-15 |
| 5102293 | Unstacking apparatus for removing a partial stack from a stack of sheets | — | 1992-04-07 |