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For the Inventor, By the Inventor

Otterfing, Germany

Ltn Servotechnik Gmbh


USPTO Granted Patents = 17

% Expired Patents = 11.8


Trademarks = 1

Forward Citations = 63

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13 inventors (with patents filed for the assignee):

goldMedal Ludwig Angerpointner (10 out of 11 patents)

silverMedal Peter Autenzeller (5 out of 5 patents)

bronzeMedal Klaus Drost (3 out of 3 patents)

4.  Hans Logé (2 out of 3 patents)

5.  Andreas Strempel (1 out of 1 patent)

6.  Andreas Steinigans (1 out of 1 patent)

7.  Bernhard Bichler (1 out of 1 patent)

8.  Manfred Hick (1 out of 1 patent)

9.  Gerhard Schmid (1 out of 1 patent)

10.  Andreas Hitzer (1 out of 1 patent)

11.  Norbert Friese (1 out of 5 patents)

12.  Ludwig Angerpointer (1 out of 1 patent)

13.  Gerhard Pielok (1 out of 1 patent)

14.  Simone Marini (0 patent)

15.  Nazario Luzi (0 patent)


17 patents:

1. 11165210 - Slip ring and slip ring unit having a slip ring (2021-11-02),
2. 10969549 - Device for transmitting optical signals between two rotatable subassemblies (2021-04-06),
3. 10895693 - Device for transmitting optical signals between two rotatable sub-assemblies (2021-01-19),
4. 9806482 - Slip ring and slip ring unit having a slip ring (2017-10-31),
5. 9768573 - Brush unit and slip-ring arrangement having a brush unit (2017-09-19),
6. 9709378 - Resolver (2017-07-18),
7. 9673892 - Device for transmitting signals between two rotatable sub-assemblies (2017-06-06),
8. 9304015 - Slip-ring unit and method for monitoring the condition of a slip-ring unit (2016-04-05),
9. 9013178 - Resolver (2015-04-21),
10. 8616897 - Slip-ring unit (2013-12-31),
11. 8348677 - Slip-ring unit (2013-01-08),
12. 7719158 - Slip-ring brush and slip-ring unit equipped with such a slip-ring brush (2010-05-18),
13. 7307367 - Slip-ring element and method for its manufacture (2007-12-11),
14. 7002269 - Slip ring unit with a printed circuit board (2006-02-21),
15. 6909217 - Method for producing slip ring brushes and slip ring brushes made thereby (2005-06-21),
Company Overview
Ltn Servotechnik GmbH, based in Otterfing, Germany, specializes in the development and manufacturing of innovative sensor and actuator solutions. The company focuses on providing high-precision products for various applications, particularly in the fields of automation, robotics, and industrial machinery. With a commitment to quality and technological advancement, Ltn Servotechnik serves a diverse range of industries, contributing to enhanced operational efficiency and reliability in complex systems.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

17 Patents

#1 in Otterfing

#2,493 in Germany

#35,887 in the World

Otterfing, DE
Otterfing, Germany

Ltn Servotechnik Gmbh

Forward Citations = 63

13 inventors:

goldMedal Ludwig Angerpointner (10 out of 11 patents)

silverMedal Peter Autenzeller (5 out of 5 patents)

bronzeMedal Klaus Drost (3 out of 3 patents)

4.  Hans Logé (2 out of 3 patents)

5.  Andreas Strempel (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ltn Servotechnik Gmbh. Retrieved from https://idiyas.com/company/ltn-servotechnik

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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