Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9624927 | Vacuum pump | Rudolf Bahnen, Uwe Drewes, Markus Loebel | 2017-04-18 |
| 7232295 | Tempering method for a screw-type vacuum pump | Hartmut Kriehn, Manfred Behling | 2007-06-19 |
| 7056108 | Cooled screw-type vacuum pump | Manfred Behling, Hartmut Kriehn, Ralf Steffens | 2006-06-06 |
| 6964559 | Two shaft vacuum pump with cantilevered rotors | Manfred Behling, Lothar Brenner, Thomas Dreifert, Hartmut Kriehn | 2005-11-15 |
| 6863511 | Two-shaft vacuum pump | Hartmut Kriehn, Lothar Brenner, Manfred Behling, Thomas Dreifert, Heinrich Engländer +1 more | 2005-03-08 |