Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9476423 | Roots pump connection channels separating adjacent pump stages | Peter Birch, Thomas Dreifert, Clive Marcus Lloyd Tunna | 2016-10-25 |
| 9234519 | Vacuum pump | Thomas Dreifert, Wolfgang Giebmanns, Roland Muller | 2016-01-12 |