Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646851 | Circuit arrangement for operating a solenoid actuator | — | 2003-11-11 |
| 5712765 | Housing for printed circuit board | Joachim Lehrmann | 1998-01-27 |
| 5119312 | Circuitry for surveillance of switching state of a power transistor | Jens Groger, Karl Hesse, Gerhard Ruhnau | 1992-06-02 |
| 4827415 | Electropneumatic door control system | Peter Liermann, Jurgen Binarsch | 1989-05-02 |
| 4523513 | Pneumatic door-operating arrangement | Alfred Klatt, Gunter Sebesta | 1985-06-18 |
| 4478131 | Electro-pneumatic door control apparatus | Peter Liermann, Karl Hesse, Dietmar Meyer | 1984-10-23 |
| 4270810 | Circuit for influencing the brake-pressure release and/or brake-pressure holding phases for antilocking vehicle brake systems | Gerhard Ruhnau, Klaus Lindemann, Manfred Saba | 1981-06-02 |