Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11448218 | Displacement machine according to the spiral principle, method to regulate pressure in the counter-pressure chamber by using a pressure difference and characteristic curve | Roman Lässer, Christian Schmälzle, Christian Busch, Frank Obrist | 2022-09-20 |
| 7287399 | Collector for the liquid phase of the working medium of an air-conditioning system | Frank Obrist, Peter Kuhn | 2007-10-30 |