Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7089897 | Electrically driven camshaft adjuster | Martin Steigerwald, Jonathan Heywood | 2006-08-15 |
| 7059285 | Control structure for the adjusting motor of an electric camshaft adjuster | Martin Steigerwald, Martin Overberg | 2006-06-13 |
| 7047923 | Device for varying valve timing in an internal combustion engine | Martin Steigerwald, Jonathan Heywood | 2006-05-23 |
| 7032552 | Camshaft adjuster with an electrical drive | Martin Steigerwald | 2006-04-25 |
| 6981478 | Electrically driven camshaft adjuster | Martin Steigerwald, Jon Heywood | 2006-01-03 |
| 6805080 | DEVICE FOR CHANGING THE CONTROL TIMES OF GAS EXCHANGE VALVES OF INTERNAL COMBUSTION ENGINE, PARTICULARLY ROTARY PISTON ADJUSTMENT DEVICE FOR ROTATION ANGLE ADJUSTMENT OF A CAMSHAFT RELATIVE TO A CRANKSHAFT | Eduard Golovatai-Schmidt, Andreas Strauss, Martin Scheidt | 2004-10-19 |
| 6799746 | Electromagnet, in particular a proportional magnet for operating a hydraulic valve | — | 2004-10-05 |
| 6669567 | Device for hydraulically adjusting the angle of rotation of a shaft relative to a driving wheel | Martin Scheidt, Dieter Neller | 2003-12-30 |
| 6651600 | Rotary piston adjuster | Martin Steigerwald | 2003-11-25 |
| 6637389 | Electrically driven device for angular adjustment of a shaft relative to its drive | Hans Fleischer | 2003-10-28 |
| 6601554 | Device for varying the valve control times of an internal combustion engine, especially a camshaft adjusting device with a pivotal impeller wheel | Michael Haag | 2003-08-05 |
| 6481401 | Device for independent hydraulic actuation of the phase and axial position of a camshaft | — | 2002-11-19 |
| 6427654 | Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston type | Hermann Golbach, Martin Steigerwald, Matthias Kapp, Joachim Dietz | 2002-08-06 |
| 6374785 | Arrangement for rotary angle positioning of a camshaft relative to the crank shaft of an internal combustion engine | Martin Steigerwald, Matthias Kapp | 2002-04-23 |
| 6367434 | Solenoid valve, particularly a proportional hydraulic valve | Martin Steigerwald, Matthias Dohr | 2002-04-09 |
| 6363897 | Device for changing the control timing of the gas exchange valves of an internal combustion engine, in particular a hydraulic camshaft adjustment device of the rotary piston type | Martin Scheidt, Matthias Kapp, Martin Steigerwald | 2002-04-02 |
| 6313726 | Electromagnet, particularly a proportional magnet for operating a hydraulic valve | Eduard Golovatai-Schmidt, Martin Steigerwald | 2001-11-06 |
| 6289862 | Locking unit for a device for modifying the timing of charge change valves in internal combustion engines | Martin Steigerwald, Matthias Kapp | 2001-09-18 |
| 6283075 | Locking unit for a device for modifying the timing of charge change valves in internal combustion engines, especially for a vane-cell control device | Joachim Dietz, Andreas Strauss | 2001-09-04 |
| 6186103 | Device for varying timing of gas exchange valves of internal combustion engines, particularly a vane-type camshaft adjusting device | Manfred Schindler | 2001-02-13 |
| 6170447 | Inner seal for a camshaft adjusting device in an internal combustion engine, specially a blade cell adjusting device | Mike Kohrs, Jochen Auchter | 2001-01-09 |
| 6079382 | Locking device for a device for varying valve timing of gas exchange valves of an internal combustion engine | Joachim Dietz, Andreas Strauss | 2000-06-27 |
| 6055950 | Arrangement for controlling a device for changing the valve timing of an internal combustion engine | Bernd Reuter, Martin Scheidt, Dirk Heintzen | 2000-05-02 |
| 5865150 | Device for varying the valve timing of gas exchange valves of an internal combustion engine | Ulrich Kramer, Rainer Venz | 1999-02-02 |
| 5860397 | Device for varying valve timing of gas exchange valves of internal combustion engine | — | 1999-01-19 |