For the Inventor, By the Inventor

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Krefeld, Germany

Durum Verschleissschutz Gmbh

USPTO Granted Patents = 2

EPO Patents = 1

Forward Citations = 19

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4 inventors (with patents filed for the assignee):

Peter Knauf (2 out of 2 patents)

Frank Schreiber (1 out of 1 patent)

Dieter Born (1 out of 1 patent)

4. Hans-Joachim Retelsdorf (1 out of 6 patents)

2 patents: Sort by Forward Citations

1. 6603090 - Pulverulent filler and method for applying a wear-resistant layer (2003-08-05),

2. 5004886 - Method of applying wear-resistant layer and consumable electrode for (1991-04-02),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#46 in Krefeld

#10,495 in Germany

Krefeld, Germany

Durum Verschleissschutz Gmbh

Forward Citations = 19

4 inventors:

Peter Knauf (2 out of 2 patents)

Frank Schreiber (1 out of 1 patent)

Dieter Born (1 out of 1 patent)

4. Hans-Joachim Retelsdorf (1 out of 6 patents)

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