Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10605252 | Method for controlling a motor for a fan in a heat exchanger, control apparatus for a fan and heat exchanger | Jörg KÖCHER, Reiner Riess | 2020-03-31 |
| 6937581 | Switching device and method for parallel connection of subscriber terminal devices | Harald Berger, Gerhard Scharfen | 2005-08-30 |