Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11428598 | Leak detector for checking sealing tightness of an object comprising a pumping device including a turbomolecular pump and first and second vacuum pumps having at least one first and second pumping stage wherein the outlet of the second vacuum pump is connected between pumping stages of the first vacuum pump | Julien Coulomb | 2022-08-30 |