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Forward Citations = 163

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10 inventors (with patents filed for the assignee):

Karl-Heinz Victor (7 out of 7 patents)

Gustav Maser (5 out of 5 patents)

Ralf Dedeken (5 out of 5 patents)

4. Hans-Wilhelm Laarmann (3 out of 3 patents)

5. Juergen Heinrich (2 out of 3 patents)

6. Axel Krauth (2 out of 10 patents)

7. Heinz Peeken (2 out of 2 patents)

8. Helmut Schellong (2 out of 3 patents)

9. Hans-Wilhelm Laarman (1 out of 1 patent)

10. Hans W Laarmann (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 5435574 - Contactless pressurizing-gas shaft seal (1995-07-25),

2. 5368314 - Contactless pressurizing-gas shaft seal (1994-11-29),

3. 5158431 - Shaft seal assembly, especially for high-pressure turbocompressors (1992-10-27),

4. 5149249 - Shaft seal assembly, especially for high-pressure turbocompressors (1992-09-22),

5. 5092612 - Contactless pressurizing-gas shaft seal (1992-03-03),

6. 4908081 - Process for producing a sliding body (1990-03-13),

7. 4714257 - Annular sliding body for a sliding seal and process for use thereof (1987-12-22),

Pacific Wietz Gmbh & Co. Kg is a leading provider of high-quality industrial equipment and solutions. With over 25 years of experience, our company offers a wide range of products ranging from pumps and valves to automation systems and manufacturing equipment. We are committed to excellence in both product quality and customer service, ensuring that our clients receive the best solutions for their specific needs.

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USPTO Data Jan 1 1976 - Dec 9 2025

7 Patents

#37 in Dortmund

#4,799 in Germany

Dortmund, Germany

Pacific Wietz Gmbh & Co. Kg