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For the Inventor, By the Inventor

Krefeld, Germany

Crenox Gmbh


USPTO Granted Patents = 1

% Expired Patents = 100.0


Forward Citations = 0

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9 inventors (with patents filed for the assignee):

goldMedal Michael Vössing (1 out of 1 patent)

silverMedal Auer Gerhard (1 out of 1 patent)

bronzeMedal Benno Laubach (1 out of 9 patents)

4.  Detlef Klein (1 out of 1 patent)

5.  Werner Schuy (1 out of 7 patents)

6.  Klaus Köllisch (1 out of 1 patent)

7.  Erwin Weiss (1 out of 1 patent)

8.  Werner Bahl (1 out of 1 patent)

9.  Philip Reese (1 out of 1 patent)

10.  Gerhard Auer (12 patents)

11.  Alexander Kehrmann (1 patent)


1 patent:

1. 8808451 - Reducing agent for the soluble chromate content of cement and methods for production thereof (2014-08-19),
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USPTO Data Jan 1 1976 - Sep 22 2026

1 Patents

#63 in Krefeld

#15,345 in Germany

Krefeld, DE
Krefeld, Germany

Crenox Gmbh

Forward Citations = 0

9 inventors:

goldMedal Michael Vössing (1 out of 1 patent)

silverMedal Auer Gerhard (1 out of 1 patent)

bronzeMedal Benno Laubach (1 out of 9 patents)

4.  Detlef Klein (1 out of 1 patent)

5.  Werner Schuy (1 out of 7 patents)

Please report any incorrect information to [email protected]
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