Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905306 | Mechanical kinetic vacuum pump with rotor and shaft | Heinrich Engländer | 2005-06-14 |
| 6863511 | Two-shaft vacuum pump | Hartmut Kriehn, Lothar Brenner, Manfred Behling, Thomas Dreifert, Klaus Rofall +1 more | 2005-03-08 |