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Bremen, Germany

Gestra Aktiengesellschaft

USPTO Granted Patents = 15

EPO Patents = 5

Trademarks = 7

Forward Citations = 61

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16 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)

15 patents: Sort by Forward Citations

1. 12687256 - Condensate drain for draining condensate (2026-07-21),

2. 10184611 - Detecting fluid properties of a multiphase flow in a condensate drain (2019-01-22),

3. 8132589 - Regulating valve for the discharge of liquid (2012-03-13),

4. 5669263 - Probe for monitoring liquid with protection against leakage (1997-09-23),

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

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

7. 5457640 - Method of checking condensate dischargers (1995-10-10),

8. 5272921 - Probe for monitoring liquid (1993-12-28),

9. 5069247 - Condensate drain with monitor device (1991-12-03),

10. 4997069 - Electromotive drive for a control element (1991-03-05),

11. 4995553 - Thermally controlled valve (1991-02-26),

12. 4955536 - Thermally controlled valve (1990-09-11),

13. 4706699 - Steam trap (1987-11-17),

14. 4607661 - Check value (1986-08-26),

15. 4586655 - Steam trap with thermal control element and method of assembling said (1986-05-06),

Gestra Aktiengesellschaft, based in Bremen, Germany, specializes in the development and manufacturing of innovative solutions for industrial fluid and energy management. The company focuses on advanced technologies in steam and condensate systems, offering products that enhance efficiency and sustainability in various sectors, including energy, chemical, and manufacturing industries. With a commitment to quality and innovation, Gestra plays a crucial role in optimizing processes and reducing environmental impact across its global operations.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

15 Patents

#12 in Bremen

#2,772 in Germany

#39,881 in the World

Bremen, Germany

Gestra Aktiengesellschaft

Forward Citations = 61

16 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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