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For the Inventor, By the Inventor

Friedberg, Germany

Federal-Mogul Friedberg Gmbh

Calculating rank
USPTO Granted Patents = 8

% Expired Patents = 25.0



Forward Citations = 24

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23 inventors (with patents filed for the assignee):

goldMedal Hans-Henning Zutz (2 out of 10 patents)

silverMedal Michael Buchmann (1 out of 2 patents)

bronzeMedal Markus Aumiller (1 out of 2 patents)

4.  Christoph Bradl (1 out of 1 patent)

5.  Andreas Dengler (1 out of 5 patents)

6.  Andreas Kumpfmuller (1 out of 1 patent)

7.  Markus Mahl (1 out of 1 patent)

8.  Laszlo Pelsoeczy (1 out of 13 patents)

9.  Marc-Manuel Matz (1 out of 10 patents)

10.  Wilfried Langner (1 out of 1 patent)

11.  Thomas Gerle (1 out of 1 patent)

12.  Franz-J Goebbeis (1 out of 1 patent)

13.  Hans-Henning Zutx (1 out of 1 patent)

14.  Steffen Hoppe (1 out of 1 patent)

15.  Rudolf Widmann (1 out of 1 patent)


8 patents:

1. 11384436 - Piston ring with shot-peened running-in layer and method for the production thereof (2022-07-12),
2. 10344348 - Slide rings having a ledeburitic microstructure at the surface (2019-07-09),
3. 9951868 - Piston ring comprising a groove in the circumferential direction (2018-04-24),
4. 8317942 - Ledeburite cast iron with a high carbide content and an evenly distributed graphite embodiment (2012-11-27),
5. 6976681 - Slide ring seal assembly including a radial, rotation preventing arrangement (2005-12-20),
6. 6921078 - Slip ring seal (2005-07-26),
7. 6726216 - Piston ring with oxide-nitride composite layer (2004-04-27),
8. 6354259 - Cylinder liner for combustion engines and manufacturing method (2002-03-12),
Company Overview
Federal-Mogul Friedberg GmbH is a leading supplier of innovative and sustainable products and solutions for the global automotive industry. With a strong focus on quality and customer satisfaction, the company offers a wide range of components including bearings, bushings, seals, and more. Federal-Mogul Friedberg GmbH is committed to driving innovation and excellence in the automotive industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

8 Patents

#6 in Friedberg

#4,425 in Germany

Friedberg, DE
Friedberg, Germany

Federal-Mogul Friedberg Gmbh

Forward Citations = 24

23 inventors:

goldMedal Hans-Henning Zutz (2 out of 10 patents)

silverMedal Michael Buchmann (1 out of 2 patents)

bronzeMedal Markus Aumiller (1 out of 2 patents)

4.  Christoph Bradl (1 out of 1 patent)

5.  Andreas Dengler (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Federal-Mogul Friedberg Gmbh. Retrieved from https://idiyas.com/company/federal-mogul-friedberg

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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