For the Inventor, By the Inventor

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Legnica, Poland

Winkelmann Foundation Screw Sp. Z O.o.

USPTO Granted Patents = 1

EPO Patents = 2

Forward Citations = 0

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3 inventors (with patents filed for the assignee):

Bernd Rudert (1 out of 2 patents)

Karl-Heinz Hecker (1 out of 2 patents)

Ralf Pottgueter (1 out of 1 patent)

4. Heinrich Winkelmann (0 patent)

5. Ralf POTTGÜTER (0 patent)

1 patent: Sort by Forward Citations

1. 12097551 - Method for producing a screw foundation for securing elements in the ground (2024-09-24),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#1 in Legnica

#302 in Poland

Legnica, Poland

Winkelmann Foundation Screw Sp. Z O.o.

Forward Citations = 0

3 inventors:

Bernd Rudert (1 out of 2 patents)

Karl-Heinz Hecker (1 out of 2 patents)

Ralf Pottgueter (1 out of 1 patent)

4. Heinrich Winkelmann (0 patent)

5. Ralf POTTGÜTER (0 patent)

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