UL

Ulrich Letsche

DA Daimler-Benz Ag: 11 patents #30 of 1,737Top 2%
Daimlerchrysler Ag: 5 patents #313 of 4,854Top 7%
MA Mercedes-Benz Group Ag: 1 patents #616 of 1,842Top 35%
Overall (All Time): #260,134 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
6601552 Hydraulically controllable globe valve Michael Kübel, Knud Lembke, Rudolf Thom 2003-08-05
6564758 Method for operating an internal combustion engine with variable charge changing control times Christian Enderle, Walter Friess, Jürgen Ganser 2003-05-20
6491007 Hydraulically controllable globe valve Michael Kübel, Knud Lembke, Rudolf Thom 2002-12-10
6167853 Hydraulic control device for at least one lifting valve 2001-01-02
5943988 Operating arrangement for a gas change valve of an internal engine combustion engine Dieter Burger, Jurgen Schule 1999-08-31
5809950 Hydraulic valve control arrangement Ralf Gapp 1998-09-22
5765515 Controllable hydraulic valve operating mechanism 1998-06-16
5645030 Motorbrake for a diesel engine 1997-07-08
5595148 Hydraulic valve control device Andreas Rehberger, Frank Iberle 1997-01-21
4930464 Hydraulically operating actuating device for a lift valve 1990-06-05
4903896 Fuel injection device for an internal combustion engine having preinjection and main injection air compression and self-ignition Gunther Hafner, Karl-Ernst Noreikat 1990-02-27
4763841 Injection nozzle for injecting fuel into the combustion chamber of an air-compressing fuel-injection engine Gunther Hafner 1988-08-16
4712530 Hydraulic adjusting arrangement for an injection pump Wolfgang Rapp, Gunther Hafner 1987-12-15
4711220 Pressure oil guide device for injection pump shaft Wolfgang Rapp, Guenther Haefner, Wilhelm Tonhaeuser 1987-12-08
4655254 Control valve, in particular an electrohydraulic control valve Gunther Hafner, Karl-Ernst Noreikat, Hans-Dieter Schmidt, Bernhard Bauer 1987-04-07
4615321 Method and apparatus for checking sensors Gunther Haefner, Bernhard Bauer, Karl-Ernst Noreikat 1986-10-07
4546426 Method for controlling the position of an actuator in a manner whereby the adjustment is adaptive Gunther Hafner, Karl-Ernst Noreikat, Hans-Dieter Schmidt, Bernhard Bauer 1985-10-08
4509488 Process and apparatus for intermittent control of a cyclically operating internal combustion engine Hans-Joachim Forster, Bernd-Eric Lubbing 1985-04-09