Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11466679 | Pump for a selective catalytic reduction (SCR) system in vehicles comprising at least one pump element comprising a pump piston, a spring bellow, and an actuation tappet under force of a compression spring surrounding the spring bellow | — | 2022-10-11 |
| 10982571 | Device for adjusting the stroke of a valve of internal combustion engines | — | 2021-04-20 |
| 10605241 | Pump for a selective catalytic reduction (SCR) system in vehicles comprising at least one pump element comprising a pump piston, a spring bellow, and an actuation tappet under force of a compression spring surrounding the spring bellow | — | 2020-03-31 |
| 8382006 | Fuel injector assembly | Jens Gebhardt, Martin Luedicke, Greg Hafner, Robert Roy | 2013-02-26 |
| 7090473 | Multiple stage pump with multiple external control valves | — | 2006-08-15 |
| 6932583 | Multiple stage pump with multiple external control valves | — | 2005-08-23 |
| 6928986 | Fuel injector with piezoelectric actuator and method of use | Johann Warga, Jason Chun-Cheng Lin | 2005-08-16 |
| 6869274 | Method of reducing pressure peaks in a fuel injector | — | 2005-03-22 |
| 6681732 | Control device for switching intake and exhaust valves of internal combustion engines | Ulrich Augustin | 2004-01-27 |
| 6631853 | Oil activated fuel injector control valve | Martin Lenk | 2003-10-14 |
| 6390043 | Device for hydraulically adjusting the angle of rotation of a shaft in relation to a driving wheel | Andreas Knecht | 2002-05-21 |
| 6371382 | Method for machining control edges of a valve for a fuel injection device of an internal combustion engine and fuel injection device with such a valve | Martin Lenk, Steffen Martin | 2002-04-16 |
| 6345804 | Control valve for fuel injection devices for internal combustion engines | Steffen Martin, Martin Lenk | 2002-02-12 |
| 6293252 | Fuel injection device for internal combustion engines | Martin Lenk, Steffen Martin | 2001-09-25 |
| 6286484 | Fuel injection device for internal combustion engines | Steffen Martin, Martin Lenk | 2001-09-11 |
| 6279543 | Pressure regulator for controlling the pre-injection quantity of fuel in internal combustion engines | Steffen Martin, Martin Lenk | 2001-08-28 |
| 6227390 | Closure arrangement for a container with clamping projections and interfitting slanted grooves | Alfred Trzmiel, Winfried Richter | 2001-05-08 |
| 6223763 | Hydraulic system for actuating at least two operational areas in a vehicle | Roland Meyer, Andreas Knecht, Dieter Tischer, Alfred Trzmiel | 2001-05-01 |
| 6209497 | Device for changing the relative rotational position of a shaft to the drive wheel | Andreas Knecht | 2001-04-03 |
| 6129063 | Device for changing the rotational position of a shaft relative to a drive wheel and method of making same | Andreas Knecht | 2000-10-10 |
| 5911400 | Solenoid valve and method for its manufacture | Andreas Knecht | 1999-06-15 |
| 5592972 | Electroproportional solenoid valve unit | — | 1997-01-14 |
| 5487410 | Proportional solenoid valve unit | — | 1996-01-30 |
| 5398594 | Volume flow control for hydraulic systems of vehicles, especially for steering devices of motor vehicles | Dieter Tischer | 1995-03-21 |
| 5323809 | Hydraulic solenoid valve | Dieter Tischer | 1994-06-28 |