Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9435562 | Electric heating device for heating fluids | Thomas Giffels, Helmut Mueller, Ralph Waechter, Bernd Halbrock, Alexander Dauth +1 more | 2016-09-06 |
| 9265093 | Heating rod | Ralph Waechter, Bernd Halbrock, Alexander Daun, Norbert Ernst, Klaus Lehmann | 2016-02-16 |
| 8731386 | Electric heating device for heating fluids | Ralph Waechter, Bernd Halbrock, Alexander Dauth, Klaus Lehmann | 2014-05-20 |