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For the Inventor, By the Inventor

Aldingen, Germany

Hengstler Gmbh


USPTO Granted Patents = 22

% Expired Patents = 18.2



Forward Citations = 87

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35 inventors (with patents filed for the assignee):

goldMedal Horst Pfeiffer (4 out of 8 patents)

silverMedal Martin Linden (3 out of 3 patents)

bronzeMedal Johann Buecher (3 out of 3 patents)

4.  Wolfgang Klaiber (2 out of 2 patents)

5.  Andreas Wöhrstein (2 out of 2 patents)

6.  Jozef Kellner (2 out of 2 patents)

7.  Uwe Grigo (2 out of 2 patents)

8.  Eberhard Kirsch (2 out of 4 patents)

9.  Thorsten Blust (1 out of 1 patent)

10.  Kai Klaeger (1 out of 1 patent)

11.  Robert Cachro (1 out of 2 patents)

12.  John Reading (1 out of 1 patent)

13.  Misél Batmend (1 out of 1 patent)

14.  Ryan Kirkendall (1 out of 1 patent)

15.  Michael Parks (1 out of 1 patent)


22 patents:

1. 11408752 - Multi-turn angle measurement device (2022-08-09),
2. 11353343 - Detection of coupling slippage in rotary encoder systems (2022-06-07),
3. 11005681 - Data transmission method between a primary master and primary slave via a bus line and between sub-slaves via the same bus line (2021-05-11),
4. 10151603 - Explosion-proof housing for a sensor (2018-12-11),
5. 9689723 - Batteryless signal transmitter having a wiegand sensor for gas or water meters (2017-06-27),
6. 9543100 - Relay having rows of contacts that are separated by an isolation configuration (2017-01-10),
7. 9310227 - Multi-channel rotary encoder (2016-04-12),
8. 8902079 - Device for scanning the division mark of a mechanical roller-type counter, for any type of counter (2014-12-02),
9. 8810343 - Relay having a modified force-displacement characteristic (2014-08-19),
10. 8797048 - Capacitive rotation sensor (2014-08-05),
11. 7667187 - Hollow-shaft encoder with motor-shaft protective cap (2010-02-23),
12. 6778047 - Relay with a coupling element (2004-08-17),
13. 6769825 - Thermal printer with liftable printing head (2004-08-03),
14. 6559744 - Twin relay (2003-05-06),
15. 6148708 - Cutting apparatus with motor (2000-11-21),
Hengstler GmbH, based in Aldingen, Germany, specializes in the development and manufacturing of high-quality industrial components. The company is renowned for its expertise in producing encoders, counters, and timers, which are integral to automation and control systems across various industries. With a strong focus on precision and reliability, Hengstler serves sectors such as manufacturing, automotive, and logistics, providing innovative solutions that enhance operational efficiency and accuracy in complex environments.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

22 Patents

#1 in Aldingen

#2,060 in Germany

#28,724 in the World

Aldingen, DE
Aldingen, Germany

Hengstler Gmbh

Forward Citations = 87

35 inventors:

goldMedal Horst Pfeiffer (4 out of 8 patents)

silverMedal Martin Linden (3 out of 3 patents)

bronzeMedal Johann Buecher (3 out of 3 patents)

4.  Wolfgang Klaiber (2 out of 2 patents)

5.  Andreas Wöhrstein (2 out of 2 patents)

Please report any incorrect information to [email protected]
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