Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7747869 | Process for detecting defective component exchanges | Michael-Rainer Busch | 2010-06-29 |
| 7567884 | Method and apparatus for detecting the presence of a prescribed heat exchanger | Michael-Rainer Busch, Dirk Herbstritt | 2009-07-28 |
| 7443280 | Rolling-code based process and system | Andreas Hetzel | 2008-10-28 |