Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5159576 | Automatic sensor identification for ultrasonic proximity switches | Robert Erik Schwarz | 1992-10-27 |
| 5144593 | Integrated automatic control for ultrasonic proximity switches | Robert Erik Schwarz | 1992-09-01 |
| 5036477 | Method for the interference suppression in ultrasonic distance measurements | Gerd Schorner | 1991-07-30 |
| 4980869 | Monitor unit for sensors, particularly ultrasonic sensors, for motor vehicle backup monitoring | Rudolf Zimmermann | 1990-12-25 |
| 4974214 | Method for the suppression of interference signals during operation of ultrasonic proximity transducers | Gerd Schorner | 1990-11-27 |
| 4914951 | Apparatus for remote distance measurement | Thomas Koelpin | 1990-04-10 |
| 4900084 | Motor vehicle seat | Johann Kotzab, Willi Geyer | 1990-02-13 |
| 4649527 | Ultrasonic proximity switch | Helmut Riss, Heinz Walker | 1987-03-10 |
| 4536673 | Piezoelectric ultrasonic converter with polyurethane foam damper | — | 1985-08-20 |
| 4518196 | Motor vehicle with integrally formed hydraulic and/or air lines | Willi Geyer, Leo Kober | 1985-05-21 |