Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8721325 | Method for starting a combustion device under unknown basic conditions | Ulrich Geiger, Martin Geiger | 2014-05-13 |
| 7670104 | Fan with laminar flow element in front of the suction hole | Martin Geiger, Reinhold Hopfensperger | 2010-03-02 |