Lichtenau, Germany

Oswald Friedmann

This inventor holds 116 USPTO granted patents and 1 published patent application and 17 EPO patents, primarily in Torque Transmission (CPC class 464 68). Top assignees: Luk Lamellen Und Kupplungsbau Gmbh, Luk Lamellen Und Kupplungsbau Beteiligungs Kg, Luk Getriebe-Systeme Gmbh. Active years: 1982-2019.

USPTO Granted Patents = 116 

% Patents Active = 84.5

 

Average Co-Inventor Count = 1.7

ph-index = 19

Forward Citations = 1,108(Granted Patents)

Forward Citations (Not Self Cited) = 1,004(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Buhl, DE (1983)
  • Lichtenau/Ulm, DE (2001)
  • Lichtenau-Ulm, DE (2001 - 2003)
  • Lichtenau, DE (1982 - 2019)

Company Filing History:


Years Active: 1982-2019

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Areas of Expertise:
Torque Transmission
Continuously Variable Transmission
Clutch Mechanisms
Vehicle Power Train
Gear Pump
Power Shift Gear
Friction Clutch
Hybrid Drive
Decoupling Device
Vibration Damping
Motor Vehicle
Adjustable Pulley
116 patents (USPTO):Explore Patents

Title: The Innovations of Oswald Friedmann: A Pioneer in Automotive Technology

Introduction: Oswald Friedmann, an accomplished inventor based in Lichtenau, Germany, holds an impressive portfolio of 116 patents. His contributions to the automotive industry, particularly in the realm of friction clutches and hybrid drive systems, highlight his dedication to advancing vehicle technology.

Latest Patents: Among Friedmann's latest innovations is a friction clutch device designed for motor vehicles powered by internal combustion engines. This friction clutch includes a rotatable shaft, a housing, and multiple clutch plates that enable precise actuation of the clutch, thereby enhancing overall performance. Another significant invention is the axle hybrid drive for hybrid vehicles, which effectively decouples the internal combustion engine from the output shaft of a vehicle axle, improving efficiency and driving dynamics.

Career Highlights: Friedmann has made substantial contributions while working with prominent companies like Luk Lamellen Und Kupplungsbau GmbH and Luk Lamellen Und Kupplungsbau Beteiligungs Kg. His expertise in developing cutting-edge automotive technologies has positioned him as a leader in his field.

Collaborations: Throughout his career, Friedmann has had the opportunity to collaborate with esteemed colleagues such as Paul Maucher and Johann Jackel. Together, they have worked on innovative projects that have pushed the boundaries of automotive engineering.

Conclusion: Oswald Friedmann's extensive work and invaluable patents reflect his commitment to innovation in the automotive industry. As he continues to develop new technologies, his impact on vehicle design and functionality will undoubtedly be felt for years to come. His achievements exemplify the spirit of creativity and engineering that drives the world of automotive innovation forward.

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