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For the Inventor, By the Inventor

Wiedenzhausen, Germany

Wittur Holding Gmbh


USPTO Granted Patents = 18


Trademarks = 11

Forward Citations = 30

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27 inventors (with patents filed for the assignee):

goldMedal René Holzer (7 out of 7 patents)

silverMedal Karl Kriener (5 out of 5 patents)

bronzeMedal Christoph Russwurm (5 out of 5 patents)

4.  Leopold Latschbacher (4 out of 4 patents)

5.  Lukas Schwaigerlehner (3 out of 3 patents)

6.  Roberto Zappa (2 out of 10 patents)

7.  Franz Mittermayr (2 out of 5 patents)

8.  Laura Bersotti (1 out of 1 patent)

9.  Bernd Winkler (1 out of 3 patents)

10.  Massimo Preziosa (1 out of 1 patent)

11.  Giuseppe De Francesco (1 out of 1 patent)

12.  Paolo Giorgioni (1 out of 2 patents)

13.  Peter Ladner (1 out of 1 patent)

14.  Erich Berghammer (1 out of 1 patent)

15.  Markus Leichtfried (1 out of 1 patent)


18 patents:

1. 12378096 - Roller for elevator door hangers comprising at least one insert (2025-08-05),
2. 12365566 - Release unit for actuating an elevator brake device (2025-07-22),
3. 12305448 - Folding ladder (2025-05-20),
4. 12234125 - Triggering unit for actuating an elevator braking device (2025-02-25),
5. 12037219 - Sheet metal base panel for use in elevators (2024-07-16),
6. 12024399 - Guiding device for an elevator door leaf (2024-07-02),
7. 11873194 - Braking device with automatic releasability in all operating situations (2024-01-16),
8. 11854753 - Safety switch actuation device (2023-12-26),
9. 11814265 - Speed limiter for a lifting gear having brake actuated by centrifugal force (2023-11-14),
10. 11299373 - Blocking assembly, elevator system (2022-04-12),
11. 10793397 - Guide assemblies and runners (2020-10-06),
12. 10620617 - Method of maintenance of an electromechanical device (2020-04-14),
13. 10308481 - Elevator door and method for opening an elevator door having two sliding door panels (2019-06-04),
14. 10167171 - Elevator with brake device in the manner of a clamp brake (2019-01-01),
15. 10060491 - Elevator brake mechanism and/or safety gear with welded brake lining (2018-08-28),
Wittur is a leading global supplier of elevator components and systems. With more than 50 years of experience in the industry, Wittur offers innovative solutions for modernizing and maintaining elevators. The company's products include doors, cab interiors, safety systems, and more, serving customers in over 50 countries worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

18 Patents

#1 in Wiedenzhausen

#2,403 in Germany

#33,168 in the World

...
Wiedenzhausen, Germany

Wittur Holding Gmbh

Forward Citations = 30

27 inventors:

goldMedal René Holzer (7 out of 7 patents)

silverMedal Karl Kriener (5 out of 5 patents)

bronzeMedal Christoph Russwurm (5 out of 5 patents)

4.  Leopold Latschbacher (4 out of 4 patents)

5.  Lukas Schwaigerlehner (3 out of 3 patents)

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