Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6069784 | Method and apparatus for driving a solenoid valve | Berend-Wilhelm Doden, Michael Friedow, Martin Ohler, Gunther Hohl, Erich Ludewig +1 more | 2000-05-30 |
| 5662277 | Fuel injection device | Bernd Taubitz, Thanh-Hung Nguyen-Schaefer | 1997-09-02 |
| 5647574 | Multi-layer microvalve having integral closure, membrane and pressure compensating surface forming a middle layer | Armin Schuelke, Christian Doering, Thomas Schittny | 1997-07-15 |
| 5400824 | Microvalve | Horst Gschwendtner, Jiri Marek, Gerhard Stokmaier, Thomas Grauer | 1995-03-28 |
| 5271431 | Microvalve | Thomas Grauer | 1993-12-21 |
| 5263559 | Damping system for a shock absorber having a one-way check valve | — | 1993-11-23 |
| 5238223 | Method of making a microvalve | Martin Schmidt, Theresa Lober, Michael A. Huff | 1993-08-24 |
| 5216273 | Microvalve of multilayer silicon construction | Christian Doering, Thomas Grauer, Armin Schuelke, Jiri Marek, Hans-Peter Trah +2 more | 1993-06-01 |
| 5178190 | Microvalve | — | 1993-01-12 |
| 5161774 | Microvalve | Kurt Engelsdorf | 1992-11-10 |
| 5142781 | Method of making a microvalve | Martin Schmidt, Theresa Lober, Michael A. Huff | 1992-09-01 |
| 5076327 | Electro-fluid converter for controlling a fluid-operated adjusting member | — | 1991-12-31 |