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Forward Citations = 42

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11 inventors (with patents filed for the assignee):

Klaus Schoeneweiss (2 out of 4 patents)

Fritz Behle (2 out of 2 patents)

Andreas Tautz (1 out of 11 patents)

4. Christian Maletzki (1 out of 4 patents)

5. Alfred Thiel (1 out of 7 patents)

6. Hans-Werner Buescher (1 out of 2 patents)

7. Dirk Lange (1 out of 5 patents)

8. Peter Hoefling (1 out of 3 patents)

9. Eckhard Knoop (1 out of 1 patent)

10. Klaus Schoneweiss (1 out of 4 patents)

11. Jerzy Welnic (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6247575 - Safety device for systems for conveying persons (2001-06-19),

2. 6129442 - Lighting device for systems used for conveying people (2000-10-10),

3. 5992604 - Switching arrangement for returning a people-conveying device to a state (1999-11-30),

4. 5944164 - Assembly method for steps or pallets of escalators or moving sidewalks (1999-08-31),

5. 5918722 - Fastening device for steps or pallets of escalators or moving sidewalks (1999-07-06),

6. 5819902 - Safety device for escalators (1998-10-13),

7. 5810148 - Tread element for escalators and travelators (1998-09-22),

O & K Rolltreppen GmbH & Co. KG is a leading manufacturer and supplier of escalators and moving walkways. With over 50 years of experience in the industry, the company offers high-quality and reliable products for commercial and public buildings. O & K Rolltreppen is known for its exceptional customer service and innovative solutions in escalator technology.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

7 Patents

#4 in Hattingen

#4,799 in Germany

Hattingen, Germany

O & K Rolltreppen Gmbh & Co. Kg