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For the Inventor, By the Inventor

KREFELD, Germany

Hein, Lehmann Gmbh


USPTO Granted Patents = 2


Trademarks = 3

Forward Citations = 0

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7 inventors (with patents filed for the assignee):

goldMedal Markus Kirchner (1 out of 2 patents)

silverMedal Ernst Grubl (1 out of 1 patent)

bronzeMedal Rolf Kadel (1 out of 2 patents)

4.  Matthias Sattler (1 out of 1 patent)

5.  Peter Palmen (1 out of 4 patents)

6.  Andree Stockhowe (1 out of 1 patent)

7.  Manfred Heffe (1 out of 1 patent)

8.  Matthias Coppers (0 patent)

9.  Jürg Pollmanns (0 patent)

10.  Ernst GRÜBL (0 patent)


2 patents:

1. 11453033 - Flip-flop screening machine (2022-09-27),
2. 11198158 - Flip-flow screener machine with optimised screen bottom fastening (2021-12-14),
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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#45 in KREFELD

#10,673 in Germany

KREFELD, DE
KREFELD, Germany

Hein, Lehmann Gmbh

Forward Citations = 0

7 inventors:

goldMedal Markus Kirchner (1 out of 2 patents)

silverMedal Ernst Grubl (1 out of 1 patent)

bronzeMedal Rolf Kadel (1 out of 2 patents)

4.  Matthias Sattler (1 out of 1 patent)

5.  Peter Palmen (1 out of 4 patents)

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