Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859854 | Screw part and hinge arrangement having such a screw part | — | 2020-12-08 |
| 9279603 | Facade element | Daniel Oppliger, Tobias Menzi | 2016-03-08 |
| 7810353 | Heat pump system with multi-stage compression | Eckard A. Groll, William J. Hutzel, David B. Bouffard | 2010-10-12 |
| 7654104 | Heat pump system with multi-stage compression | Eckard A. Groll, William J. Hutzel, David B. Bouffard | 2010-02-02 |