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Otto Tuchenhagen Gmbh & Co. Kg

USPTO Granted Patents = 14

Forward Citations = 166

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9 inventors (with patents filed for the assignee):

Hans O Mieth (10 out of 11 patents)

Herbert Robert Coura (2 out of 6 patents)

Otto A Tuchenhagen (2 out of 3 patents)

4. Markus Pawlik (1 out of 2 patents)

5. Jurgen Schreiber (1 out of 2 patents)

6. Michael Lloyd (1 out of 1 patent)

7. Gerd Baudendistel (1 out of 1 patent)

8. Holger J Grossmann (1 out of 1 patent)

9. Friedrich R Stahlkopf (1 out of 3 patents)

14 patents: Sort by Forward Citations

1. 5806554 - Double seat valve (1998-09-15),

2. 5762687 - Process and device for dissolving a quantity of gas in a flowing liquid (1998-06-09),

3. 5732727 - Leakfree switching process for a double-seat valve and a sealing system (1998-03-31),

4. 5575305 - Procedure for cleaning a double seat valve and valve arrangement for (1996-11-19),

5. 5310566 - Method of ensuring constant product quality and safety when tailback (1994-05-10),

6. 5130030 - Method and an automatic device for the sharp separation and removal of (1992-07-14),

7. 5086816 - Assembly for the transfer, mass determination and mass separation of (1992-02-11),

8. 4757834 - Method and apparatus for the realization of a leakage-free switching (1988-07-19),

9. 4687015 - Process for the simultaneous cleaning of both seat surfaces of a double (1987-08-18),

10. 4492535 - Diaphragm pump (1985-01-08),

11. 4458543 - Cleanable sampling valve (1984-07-10),

12. 4436106 - Pipeline switch with leakage control and cleanable leakage cavity (1984-03-13),

13. 4362327 - Separable pipe and/or armature connection (1982-12-07),

14. 4344453 - Pipeline switch with leakage control and cleanable leakage cavity (1982-08-17),

Otto Tuchenhagen GmbH & Co. KG is a leading manufacturer of stainless steel processing equipment for the food and beverage industry. With over 60 years of experience, they specialize in hygienic valves, pumps, and fittings that meet the highest quality standards. Their innovative solutions ensure efficient and safe production processes for their customers worldwide.

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USPTO Data Jan 1 1976 - Dec 16 2025

14 Patents

#85 in

#2,894 in Germany

#40,905 in the World

Otto Tuchenhagen Gmbh & Co. Kg

Forward Citations = 166

9 inventors:

Hans O Mieth (10 out of 11 patents)

Herbert Robert Coura (2 out of 6 patents)

Otto A Tuchenhagen (2 out of 3 patents)

4. Markus Pawlik (1 out of 2 patents)

5. Jurgen Schreiber (1 out of 2 patents)

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