Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953361 | Process for the operation of a generator absorption heat pump heating installation for space heating, water heating, etc. and generator absorption heat pump heating installation | Karl-Friedrich Knoche, Dieter Stehmeier | 1990-09-04 |