Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6964559 | Two shaft vacuum pump with cantilevered rotors | Manfred Behling, Lothar Brenner, Hartmut Kriehn, Klaus Rofall | 2005-11-15 |
| 6863511 | Two-shaft vacuum pump | Hartmut Kriehn, Lothar Brenner, Manfred Behling, Klaus Rofall, Heinrich Engländer +1 more | 2005-03-08 |