Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11300123 | Screw vacuum pump without internal cooling | Thomas Dreifert, Dirk Schiller, Wolfgang Giebmanns | 2022-04-12 |
| 11293435 | Vacuum pump screw rotors with symmetrical profiles on low pitch sections | Thomas Dreifert, Dirk Schiller, Wolfgang Giebmanns | 2022-04-05 |