For the Inventor, By the Inventor

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Bremen, Germany

Gestra Aktiengesellschaft

USPTO Granted Patents = 14

EPO Patents = 4

Trademarks = 7

Forward Citations = 61

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19 inventors (with patents filed for the assignee):

Werner Foller (7 out of 20 patents)

Holm Klann (4 out of 6 patents)

Gunter Herbold (3 out of 3 patents)

4. Holger Schroter (2 out of 5 patents)

5. Jurgen Klattenhoff (2 out of 2 patents)

6. Hans Kehlbeck (2 out of 6 patents)

7. Sergej Janzen (1 out of 1 patent)

8. Bernhard Kruhsel (1 out of 1 patent)

9. Joachim-Christian Politt (1 out of 5 patents)

10. Wilhelm Strache (1 out of 2 patents)

11. Helmut Willenbrock (1 out of 3 patents)

12. Wolfgang Behnken (1 out of 1 patent)

13. Kerstin Borchers (1 out of 3 patents)

14. Lur Wessels (1 out of 1 patent)

15. Johannes Tetzner (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 10184611 - Detecting fluid properties of a multiphase flow in a condensate drain (2019-01-22),

2. 8132589 - Regulating valve for the discharge of liquid (2012-03-13),

3. 5669263 - Probe for monitoring liquid with protection against leakage (1997-09-23),

4. D383403 - Housing for electrical measuring, monitoring, regulating and controlling (1997-09-09),

5. D383401 - Housing for#electrical measuring, monitoring, regulating and controlling (1997-09-09),

6. 5457640 - Method of checking condensate dischargers (1995-10-10),

7. 5272921 - Probe for monitoring liquid (1993-12-28),

8. 5069247 - Condensate drain with monitor device (1991-12-03),

9. 4997069 - Electromotive drive for a control element (1991-03-05),

10. 4995553 - Thermally controlled valve (1991-02-26),

11. 4955536 - Thermally controlled valve (1990-09-11),

12. 4706699 - Steam trap (1987-11-17),

13. 4607661 - Check value (1986-08-26),

14. 4586655 - Steam trap with thermal control element and method of assembling said (1986-05-06),

Gestra Aktiengesellschaft is a global leader in the manufacturing of steam and condensate systems. With over 100 years of experience, Gestra offers innovative solutions for energy-efficient steam technology. Their products are known for their high quality, reliability, and sustainability, making them a preferred choice for industries worldwide.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

14 Patents

#12 in Bremen

#2,894 in Germany

#40,882 in the World

Bremen, Germany

Gestra Aktiengesellschaft

Forward Citations = 61

19 inventors:

Werner Foller (7 out of 20 patents)

Holm Klann (4 out of 6 patents)

Gunter Herbold (3 out of 3 patents)

4. Holger Schroter (2 out of 5 patents)

5. Jurgen Klattenhoff (2 out of 2 patents)

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