Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11885542 | Expansion valve | Karl-Heinz Petry, Pascal Ernstberger, Rolf Kunzmann | 2024-01-30 |
| 9618247 | Method for increasing the valve capacity of a refrigeration unit | Karl-Heinz Petry, Giuseppe Tramaglino | 2017-04-11 |