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For the Inventor, By the Inventor

Bremen, Germany

Gestra Aktiengesellschaft

Calculating rank
USPTO Granted Patents = 15


Trademarks = 7

Forward Citations = 61

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16 inventors (with patents filed for the assignee):

goldMedal Werner Foller (7 out of 20 patents)

silverMedal Holm Klann (4 out of 6 patents)

bronzeMedal 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:

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),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

15 Patents

#12 in Bremen

#2,780 in Germany

#39,991 in the World

Bremen, DE
Bremen, Germany

Gestra Aktiengesellschaft

Forward Citations = 61

16 inventors:

goldMedal Werner Foller (7 out of 20 patents)

silverMedal Holm Klann (4 out of 6 patents)

bronzeMedal Gunter Herbold (3 out of 3 patents)

4.  Holger Schroter (2 out of 5 patents)

5.  Jurgen Klattenhoff (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gestra Aktiengesellschaft. Retrieved from https://idiyas.com/company/gestra-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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