Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5553998 | Gas friction vacuum pump having at least three differently configured pump stages releasably connected together | Martin Muhlhoff, Hans Kriechel, Hans-Peter Kabelitz | 1996-09-10 |
| 5165872 | Gas friction pump having a bell-shaped rotor | Hans-Peter Kabelitz, Hans Kriechel, Martin Muhlhoff | 1992-11-24 |
| 5051060 | Gas friction pump having an outlet-side helical stage | Hans-Peter Kabelitz, Hans Kriechel, Martin Muhlhoff | 1991-09-24 |
| 4963076 | Radial blower with resiliently mounted bearing holders | Hans-Peter Kabelitz, Winfried Kaiser | 1990-10-16 |
| 4915194 | Lubricating oil feed system | Heinrich Engländer, Hans-Peter Kabelitz, Winfried Kaiser, Friedrich Schmaus, Gunter Schutz +2 more | 1990-04-10 |