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For the Inventor, By the Inventor

Velbert, Germany

Peak Werkstoff Gmbh


USPTO Granted Patents = 3

% Expired Patents = 66.7


Forward Citations = 3

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10 inventors (with patents filed for the assignee):

goldMedal Udo Kempken (2 out of 2 patents)

silverMedal Ulrich Bischofberger (1 out of 29 patents)

bronzeMedal Dirk Krogmann (1 out of 1 patent)

4.  Bernd Commandeur (1 out of 1 patent)

5.  Achim Petry (1 out of 1 patent)

6.  Peter Krug (1 out of 1 patent)

7.  Gero Sinha (1 out of 1 patent)

8.  Rolf Schattevoy (1 out of 1 patent)

9.  Erik Mertner (1 out of 1 patent)

10.  Thomas Dickmann (1 out of 1 patent)


3 patents:

1. 8590502 - Method for the production of a cylinder crankcase having multiple cylinder liners and short cylinder liner with a material strip affixed thereto (2013-11-26),
2. 7892482 - Material on the basis of an aluminum alloy, method for its production, as well as use therefor (2011-02-22),
3. 6748655 - Method for profiling the outer circumferential face of cylinder liners (2004-06-15),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#18 in Velbert

#8,414 in Germany

Velbert, DE
Velbert, Germany

Peak Werkstoff Gmbh

Forward Citations = 3

10 inventors:

goldMedal Udo Kempken (2 out of 2 patents)

silverMedal Ulrich Bischofberger (1 out of 29 patents)

bronzeMedal Dirk Krogmann (1 out of 1 patent)

4.  Bernd Commandeur (1 out of 1 patent)

5.  Achim Petry (1 out of 1 patent)

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