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For the Inventor, By the Inventor

Radevormwald, Germany

Gkn Sinter Metals Holding Gmbh


USPTO Granted Patents = 16

% Expired Patents = 50.0


Trademarks = 1

Forward Citations = 56

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17 inventors (with patents filed for the assignee):

goldMedal Josef Bachmann (4 out of 8 patents)

silverMedal Rolf Schwarze (4 out of 5 patents)

bronzeMedal Antonio Casellas (3 out of 15 patents)

4.  Gerhard Kotthoff (3 out of 3 patents)

5.  Eberhard Ernst (2 out of 15 patents)

6.  Rainer Schmitt (2 out of 25 patents)

7.  Lars Wimbert (2 out of 4 patents)

8.  Sascha Frey (2 out of 6 patents)

9.  Rainer Gruber (2 out of 3 patents)

10.  Rene Lindenau (2 out of 3 patents)

11.  Thomas Schupp (1 out of 4 patents)

12.  Björn Leupold (1 out of 3 patents)

13.  Rene Albert (1 out of 1 patent)

14.  Stefan Hundrieser (1 out of 1 patent)

15.  Bernhard Terfloth (1 out of 2 patents)


16 patents:

1. 9841236 - Sintering furnace with a gas removal device (2017-12-12),
2. 9662708 - Method for producing a green compact (2017-05-30),
3. 9353860 - Production of multi-part, joined valve components in hydraulic applications with joint sealing profiles (2016-05-31),
4. 9284862 - Multi-part, joined rotors in hydraulic camshaft adjusters, having joint-sealing profiles, and method for producing the rotors (2016-03-15),
5. 9103383 - Clutch link for a driving clutch (2015-08-11),
6. 8658054 - Mixture for preventing surface stains (2014-02-25),
7. 8550046 - Hydraulic camshaft adjuster (2013-10-08),
8. 8485802 - Pump with multiple volume streams (2013-07-16),
9. 8402659 - Sintered gear element featuring locally selective surface compression (2013-03-26),
10. 8340806 - Surface compression of a toothed section (2012-12-25),
11. 8307551 - Blank geometry of a gear (2012-11-13),
12. 8104174 - Method for producing a piston (2012-01-31),
13. 7887309 - Gear pump having optimal axial play (2011-02-15),
14. 7857903 - Mixture for producing sintered moldings comprising carnauba wax (2010-12-28),
15. 7713041 - Gear pump having optimal axial play (2010-05-11),
Company Overview
GKN Sinter Metals Holding GmbH specializes in the development and manufacturing of precision sintered metal components. The company serves various industries, including automotive, aerospace, and industrial applications, leveraging advanced powder metallurgy techniques. With a focus on innovation, GKN Sinter Metals is committed to enhancing product performance and efficiency through cutting-edge research in materials science and engineering. Headquartered in Radevormwald, Germany, it plays a significant role in the global market for engineered metal solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

16 Patents

#2 in Radevormwald

#2,625 in Germany

#37,831 in the World

Radevormwald, DE
Radevormwald, Germany

Gkn Sinter Metals Holding Gmbh

Forward Citations = 56

17 inventors:

goldMedal Josef Bachmann (4 out of 8 patents)

silverMedal Rolf Schwarze (4 out of 5 patents)

bronzeMedal Antonio Casellas (3 out of 15 patents)

4.  Gerhard Kotthoff (3 out of 3 patents)

5.  Eberhard Ernst (2 out of 15 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gkn Sinter Metals Holding Gmbh. Retrieved from https://idiyas.com/company/gkn-sinter-metals-holding

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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