For the Inventor, By the Inventor

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KREFELD, Germany

Hein, Lehmann Gmbh

USPTO Granted Patents = 2

EPO Patents = 5

Trademarks = 4

Forward Citations = 0

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7 inventors (with patents filed for the assignee):

Markus Kirchner (1 out of 2 patents)

Ernst Grubl (1 out of 1 patent)

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: Sort by Forward Citations

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 - Dec 16 2025

2 Patents

#46 in KREFELD

#10,495 in Germany

KREFELD, Germany

Hein, Lehmann Gmbh

Forward Citations = 0

7 inventors:

Markus Kirchner (1 out of 2 patents)

Ernst Grubl (1 out of 1 patent)

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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