For the Inventor, By the Inventor

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Rostock, Germany

Eew Special Pipe Constructions Gmbh

USPTO Granted Patents = 2

EPO Patents = 4

Forward Citations = 0

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6 inventors (with patents filed for the assignee):

Ulrich Sitz (1 out of 2 patents)

Robert Staschko (1 out of 1 patent)

Martin Wozel (1 out of 1 patent)

4. Max Linde (1 out of 2 patents)

5. Johannes Baum (1 out of 1 patent)

6. Ulrich Sitz (1 out of 1 patent)

7. Udo Mützelburg (0 patent)

2 patents: Sort by Forward Citations

1. 12337423 - Clamping device for longitudinal-seam-welded pipe elements (2025-06-24),

2. 12172244 - Turning device for pipes and pipe elements (2024-12-24),

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USPTO Data Jan 1 1976 - Dec 30 2025

2 Patents

#10 in Rostock

#10,513 in Germany

Rostock, Germany

Eew Special Pipe Constructions Gmbh

Forward Citations = 0

6 inventors:

Ulrich Sitz (1 out of 2 patents)

Robert Staschko (1 out of 1 patent)

Martin Wozel (1 out of 1 patent)

4. Max Linde (1 out of 2 patents)

5. Johannes Baum (1 out of 1 patent)

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