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Pforzheim, Germany

Witzenmann Gmbh

USPTO Granted Patents = 21

% Expired Patents = 33.3

EPO Patents = 52

Trademarks = 4

Forward Citations = 78

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45 inventors (with patents filed for the assignee):

Jorg Ludwig (3 out of 3 patents)

Bernd Seeger (3 out of 3 patents)

Matthias Farr (2 out of 2 patents)

4. Gerald Kolbe (2 out of 2 patents)

5. Rene Rosler (2 out of 2 patents)

6. Daniel Rothfuss (2 out of 2 patents)

7. Gerd Paulig (2 out of 2 patents)

8. Michael Pluschke (2 out of 4 patents)

9. David Ehrenberger (2 out of 2 patents)

10. Maximilian Ritter (2 out of 2 patents)

11. Bert Balmer (1 out of 2 patents)

12. Thomas Herr (1 out of 1 patent)

13. Stefan Keller (1 out of 1 patent)

14. Alexander Elsasser (1 out of 1 patent)

15. Nadine Hanakam (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 12709190 - COOLING-LINE SYSTEM OF A MODULAR CONSTRUCTION, IN PARTICULAR FOR BATTERIES OF ELECTRIC VEHICLES (2026-08-18),

2. 12512531 - Method for fluidically connecting functional modules that are temperature-controlled by means of a fluid, correspondingly temperature-controlled functional modules, and associated connection device (2025-12-30),

3. 12467488 - Fluid distribution method for producing a fluid distribution system (2025-11-11),

4. 11359754 - Flexible pipe element and method for inserting a seal in a flexible pipe element (2022-06-14),

5. 11015512 - Line element for compensating for expansions and/or relative movements (2021-05-25),

6. 10589331 - Method and device for separating wound tubes having welded parts (2020-03-17),

7. 10041620 - Line assembly (2018-08-07),

8. 10016847 - Method and device for cutting wound hoses (2018-07-10),

9. 9789432 - Flexible line segment for the exhaust system of an internal combustion engine (2017-10-17),

10. 9638359 - Strip wound hose (2017-05-02),

11. 9638358 - Duct element for the exhaust system of a motor vehicle (2017-05-02),

12. 9175793 - Attachment connection, and method of connecting a thin-walled hose line to a carbon-containing attachment part (2015-11-03),

13. 9039800 - Filter for a fluid-conducting pipe (2015-05-26),

14. 8793850 - Method for producing a tube with a bent progression as a transverse progression (2014-08-05),

15. 8668172 - Holding device for a sprinkler nozzle (2014-03-11),

Witzenmann GmbH is a global leader in flexible metal solutions for automotive, energy, industrial, and aerospace applications. With over 100 years of experience, Witzenmann provides innovative products and engineering solutions to meet customer requirements. They specialize in metal bellows, expansion joints, hoses, and other flexible components. Witzenmann's commitment to quality, reliability, and customer satisfaction has earned them a strong reputation in the industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

Witzenmann Gmbh

21 Patents

#3 in Pforzheim

#2,123 in Germany

#29,874 in the World

Pforzheim, Germany

Witzenmann Gmbh

Forward Citations = 78

45 inventors:

Jorg Ludwig (3 out of 3 patents)

Bernd Seeger (3 out of 3 patents)

Matthias Farr (2 out of 2 patents)

4. Gerald Kolbe (2 out of 2 patents)

5. Rene Rosler (2 out of 2 patents)

Please report any incorrect information to [email protected]

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