For the Inventor, By the Inventor

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Dachau, Germany

Louis Renner Gmbh

USPTO Granted Patents = 3

Trademarks = 2

Forward Citations = 19

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4 inventors (with patents filed for the assignee):

Udo Siefken (3 out of 3 patents)

Gerd Renner (2 out of 2 patents)

Gerhard Renner (1 out of 1 patent)

4. Martin Müller (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 7339127 - Contact piece made of tungsten provided with a corrosion-resistant layer made of a base metal (2008-03-04),

2. 6350294 - Powder-metallurgically produced composite material and method for its production (2002-02-26),

3. 6312495 - Powder-metallurgically produced composite material and method for its production (2001-11-06),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#8 in Dachau

#8,262 in Germany

Dachau, Germany

Louis Renner Gmbh

Forward Citations = 19

4 inventors:

Udo Siefken (3 out of 3 patents)

Gerd Renner (2 out of 2 patents)

Gerhard Renner (1 out of 1 patent)

4. Martin Müller (1 out of 1 patent)

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