Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9677765 | Pneumatic composite having mass balancing | Tobias Metz, Roland Keber | 2017-06-13 |
| 9410697 | Mixing device for mixing combustion air and gas, and firing device | — | 2016-08-09 |
| 8636501 | Method for regulating and controlling a firing device and firing device | Martin Geiger, Ulrich Geiger | 2014-01-28 |
| 8500441 | Method for regulating and controlling a firing device and a firing device | Martin Geiger, Ulrich Geiger | 2013-08-06 |
| 8257034 | Radial fan | Roland Keber | 2012-09-04 |
| 8109731 | Radial fan impeller | Roland Keber | 2012-02-07 |
| 7922481 | Method for setting the air ratio on a firing device and a firing device | Martin Geiger, Ulrich Geiger | 2011-04-12 |
| 7794206 | Radial fan impeller | Roland Keber | 2010-09-14 |
| 7453696 | Cooling device for a radial fan driven by an electric motor with IC | Roland Keber | 2008-11-18 |
| 5813834 | Centrifugal fan | Reinhold Hopfensperger | 1998-09-29 |
| 5173038 | Peristaltic pump | Reinhold Hopfensperger, Albert Rockermeier | 1992-12-22 |