Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669309 | vibration damper for damping fluid vibrations in a hydraulic system | Georg Gierer, Willy Holdenried, Karlheinz Mayr, Herbert Kiebler | 2003-12-30 |
| 6666430 | Proportional valve | Karlheinz Mayr, Wolfgang Runge | 2003-12-23 |
| 6619615 | Propotional control pressure valve | Karlheinz Mayr, Markus Eisele, Thilo Schmidt, Walter Kill, Jochen Fischer +1 more | 2003-09-16 |
| 6607176 | Proportional pressure control valve | Karlheinz Mayr, Markus Eisele, Walter Kill, Michael Joseph Weber, Jochen Fischer | 2003-08-19 |