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For the Inventor, By the Inventor

Bühl, Germany

Luk Getriebe-Systeme Gmbh


USPTO Granted Patents = 121

% Expired Patents = 2.5


Forward Citations = 1,415

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102 inventors (with patents filed for the assignee):

goldMedal Michael Salecker (23 out of 32 patents)

silverMedal Oswald Friedmann (16 out of 116 patents)

bronzeMedal Marc Meisner (14 out of 18 patents)

4.  Uwe Wagner (14 out of 15 patents)

5.  Robert Fischer (13 out of 26 patents)

6.  Michael Reuschel (12 out of 51 patents)

7.  Martin Zimmermann (11 out of 38 patents)

8.  Bernhard Walter (11 out of 31 patents)

9.  Stephan Maienschein (10 out of 76 patents)

10.  Volker Middelmann (9 out of 9 patents)

11.  Andreas Rogg (8 out of 8 patents)

12.  Rainer Eidloth (8 out of 10 patents)

13.  Franz Kosik (8 out of 28 patents)

14.  Norbert Esly (7 out of 20 patents)

15.  Andreas Deimel (6 out of 11 patents)


Core Competencies:
Torque Converter
Power Train
Variable Transmission
Hydrodynamic Systems
Clutch Control
Fluid Regulation
Torque Sensor
Hydraulic Apparatus
Automated Transmission
Emergency Control
Continuously Variable Transmission

121 patents:

1. 7286922 - Method of and apparatus for transmitting torque in vehicular power trains (2007-10-23),
2. 6695110 - Torque-transmitting apparatus (2004-02-24),
3. 6679361 - Emergency facilities for influencing defective constituents of power trains in motor vehicles (2004-01-20),
4. 6585613 - Infinitely variable transmission with a locking device (2003-07-01),
5. 6561330 - Hydrokinetic torque converter (2003-05-13),
6. 6506136 - Transmission (2003-01-14),
7. 6477446 - Method of and apparatus for controlling the operation of a fluid pressure regulating valve (2002-11-05),
8. 6460561 - Valve piston and valve equipped with same (2002-10-08),
9. 6443276 - Emergency facilities for influencing defective constituents of power trains in motor vehicles (2002-09-03),
10. 6439362 - Actuating arrangement (2002-08-27),
11. 6439361 - Torque-transmitting apparatus (2002-08-27),
12. 6431012 - Torque sensor for a motor vehicle power train (2002-08-13),
13. 6422367 - Motor vehicle (2002-07-23),
14. 6408999 - Hydrokinetic torque converter and lockup clutch therefor (2002-06-25),
15. 6397875 - Pressure regulating method (2002-06-04),
Luk Getriebe-Systeme GmbH, headquartered in Bühl, Germany, specializes in the development and manufacturing of advanced torque transmission systems. The company focuses on innovative technologies such as torque converters, power trains, and variable transmissions, catering to the automotive sector. Their expertise extends to hydrodynamic systems, clutch control mechanisms, fluid regulation, and torque sensors, positioning them as a key player in enhancing vehicle performance and efficiency through cutting-edge hydraulic apparatus solutions.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Luk Getriebe-Systeme Gmbh
121 Patents

#3 in Bühl

#497 in Germany

#6,604 in the World

Bühl, DE
Bühl, Germany

Luk Getriebe-Systeme Gmbh

Forward Citations = 1,415

102 inventors:

goldMedal Michael Salecker (23 out of 32 patents)

silverMedal Oswald Friedmann (16 out of 116 patents)

bronzeMedal Marc Meisner (14 out of 18 patents)

4.  Uwe Wagner (14 out of 15 patents)

5.  Robert Fischer (13 out of 26 patents)

Please report any incorrect information to [email protected]
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