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For the Inventor, By the Inventor

Schwarzenbek, Germany

Hauni Primary Gmbh


USPTO Granted Patents = 3

% Expired Patents = 100.0


Forward Citations = 28

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7 inventors (with patents filed for the assignee):

goldMedal Harry Drewes (2 out of 6 patents)

silverMedal Wolfgang Benz (1 out of 2 patents)

bronzeMedal Peter Funke (1 out of 2 patents)

4.  Frank Schuster (1 out of 2 patents)

5.  Dietmar Zielke (1 out of 2 patents)

6.  Manfred Jakob (1 out of 1 patent)

7.  Horst-Udo Christ (1 out of 2 patents)

8.  Tim Ullner (2 patents)

9.  Fritz Hagemann (3 patents)

10.  Ulf Seide (0 patent)


3 patents:

1. 7448391 - Method and device for the separation of foreign bodies (2008-11-11),
2. 7335847 - Method and apparatus for foreign-body separation from a material flow (2008-02-26),
3. 6860385 - Belt conveyor for an intermediate tobacco store, in particular a mixing box (2005-03-01),
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USPTO Data Jan 1 1976 - Sep 22 2026

3 Patents

#7 in Schwarzenbek

#8,420 in Germany

Schwarzenbek, DE
Schwarzenbek, Germany

Hauni Primary Gmbh

Forward Citations = 28

7 inventors:

goldMedal Harry Drewes (2 out of 6 patents)

silverMedal Wolfgang Benz (1 out of 2 patents)

bronzeMedal Peter Funke (1 out of 2 patents)

4.  Frank Schuster (1 out of 2 patents)

5.  Dietmar Zielke (1 out of 2 patents)

Please report any incorrect information to [email protected]
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