Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7849600 | Method of producing a valve arrangement for an expansion valve | Uta Andra, Siegfried Roth, Albrecht Waldenburg, Jean-Jacques Robin, Ralf Winterstein | 2010-12-14 |
| 7833059 | Lamp socket | Philipp Henrici, Erwin Lingemann | 2010-11-16 |
| 7487647 | Expansion valve and method for controlling it | Jean-Jacques Robin, Ralf Winterstein | 2009-02-10 |