Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4656589 | Method and apparatus for operating turbo compressor using analog and digital control schemes | Wilfried Blotenberg | 1987-04-07 |
| 4523764 | Fluid-sealed shaft seal with bores for supplying and discharging fluid | Emil Aschenbruck, Gunter Neuhaus, Joachim Kotzur | 1985-06-18 |
| 4447063 | Shaft seal with positively magnetically controlled sealing gap | Joachim Kotzur, Hans-H. Reinersmann, Emil Aschenbruck, Gunter Neuhaus | 1984-05-08 |
| 4434987 | Shaft seal with magnetically controlled gap between rotating ring and surrounding non-rotating ring | Emil Aschenbruck, Gunter Neuhaus, Joachim Kotzur | 1984-03-06 |