Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7743645 | Method and device for obtaining a determined flow resistance of a flow channel by means of a measuring bridge | Armin Walther, Patrick Matt, Alfred Ernst | 2010-06-29 |
| 7310994 | Method and device for obtaining a determined flow resistance of a flow channel by means of a measuring bridge | Armin Walther, Patrick Matt, Alfred Ernst | 2007-12-25 |
| 4559435 | Spark-erosive planetary eroding apparatus with variable flow rate of dielectric fluid | — | 1985-12-17 |