Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11123692 | Hollow fibre membrane having three dimensional texturing | Dieter Bechtel | 2021-09-21 |
| 8541722 | Electrical heater and method for manufacturing an electrical heater | Arno Lauth, Frank Kamy, Jürgen Stritzinger | 2013-09-24 |
| 7836684 | Urea supply system for a waste gas cleaning catalyst and heating insert suitable therefor | Roland Starck, Oleg Kexel, Gerhard Thome | 2010-11-23 |
| 6409921 | Integrally asymmetrical polyolefin membrane for gas exchange | Marcus Müller, Erich Kessler, Ralf R. Hornscheidt, Frank Wiese | 2002-06-25 |
| 6247550 | Controller for a motor vehicle servo-assisted steering system | Walter Cerny, Jurgen Schule | 2001-06-19 |
| 6068077 | Power steering gear intended in particular for motor vehicles | Wolfgang Abele, Stefan Fröhlich, Helmut Knodler | 2000-05-30 |
| 5950759 | Servo-assisted steering system | Helmut Knodler | 1999-09-14 |
| 5860351 | Hydraulic steering arrangement | Wilfried Leutner, Helmut Knodler | 1999-01-19 |
| 5660247 | Rack servo-steering, particularly for motor vehicles | — | 1997-08-26 |
| 5582264 | Power assisted steering system, in particular, for motor vehicles | — | 1996-12-10 |
| 5529137 | Power-assisted steering for motor vehicles | — | 1996-06-25 |
| 5530614 | Proportional valve control unit for auxiliary power steering | Walter Cerny | 1996-06-25 |
| 5509494 | Auxiliary power steering | — | 1996-04-23 |
| 5509493 | Control device for steering-rack equipped auxiliary power steering | Helmut Knodler | 1996-04-23 |
| 5506085 | Thermal imaging element | Marc Van Damme, Joan Vermeersch, Johan Lamotte, Oskar Nuyken, Brigitte Voit +5 more | 1996-04-09 |
| 5113172 | Angle of rotation potentiometer | — | 1992-05-12 |
| 5040631 | Rack and pinion auxiliary steering mechanism, especially for motor vehicles | Helmut Knodler | 1991-08-20 |
| 5009110 | Torque sensor, in particular for electric steering mechanism | Bernhard Schweizer | 1991-04-23 |
| 4913249 | Auxiliary power steering mechanism, especially for motor vehicles | — | 1990-04-03 |
| 4815551 | Servosteering, especially for motor vehicles | — | 1989-03-28 |
| 4811806 | Servosteering, especially for motor vehicles | — | 1989-03-14 |
| 4784041 | Servosteering pressure control device | — | 1988-11-15 |
| 4763091 | Air gap setting device for electromagnets | — | 1988-08-09 |
| 4699231 | Rack and pinion auxiliary power steering | Helmut Knodler | 1987-10-13 |
| 4593718 | Pressure agent control arrangement for auxiliary power steering mechanisms | Helmut Knodler | 1986-06-10 |