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For the Inventor, By the Inventor

Bielefeld, Germany

Böllhoff Gmbh


USPTO Granted Patents = 2

% Expired Patents = 50.0

Forward Citations = 83

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5 inventors (with patents filed for the assignee):

goldMedal Michael Stumpf (1 out of 20 patents)

silverMedal Klaus Friedrich (1 out of 1 patent)

bronzeMedal Kai-Uwe Klaws (1 out of 1 patent)

4.  Klaus Kobusch (1 out of 4 patents)

5.  August Borchard (1 out of 2 patents)


2 patents:

1. 6776566 - Assembly for automatically compensating variations in the spacing between two structural members (2004-08-17),
2. 6637095 - Joining assembly for mounting a fastening element to an external surface of a structural member (2003-10-28),
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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#62 in Bielefeld

#10,673 in Germany

Bielefeld, DE
Bielefeld, Germany

Böllhoff Gmbh

Forward Citations = 83

5 inventors:

goldMedal Michael Stumpf (1 out of 20 patents)

silverMedal Klaus Friedrich (1 out of 1 patent)

bronzeMedal Kai-Uwe Klaws (1 out of 1 patent)

4.  Klaus Kobusch (1 out of 4 patents)

5.  August Borchard (1 out of 2 patents)

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