Trademarks = 2

Forward Citations = 34

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8 inventors (with patents filed for the assignee):

Sead Veletovac (2 out of 4 patents)

Luigi Del Re (2 out of 2 patents)

Horst Wittur (2 out of 4 patents)

4. Rupert Oberleitner (1 out of 2 patents)

5. Horst Whittur (1 out of 1 patent)

6. Andreas Schrempf (1 out of 1 patent)

7. Hubert Fisher (1 out of 1 patent)

8. Hubert Fischer (1 out of 2 patents)

6 patents: Sort by Forward Citations

1. 7252179 - Elevator-door latching and opening device (2007-08-07),

2. 6782975 - Pre-assembled elevator shaft (2004-08-31),

3. 6742629 - Valve control unit for a hydraulic elevator (2004-06-01),

4. 6510923 - Control method and apparatus for a hydraulic elevator using only load pressure data (2003-01-28),

5. 6146303 - Drive unit for a hoist (2000-11-14),

6. 6102165 - Antifriction bearing with signal generator and method for using same (2000-08-15),

Wittur Group is one of the world’s leading suppliers of elevator components and systems. The company provides a wide range of products including elevator doors, safety components, gearless drives, cabins, and more. With over 50 years of experience, Wittur is known for its innovative solutions, quality products, and a strong global presence.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

6 Patents

#2 in Wiedenzhausen

#5,304 in Germany

Wiedenzhausen, Germany

Wittur Ag