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Forward Citations = 390

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7 inventors (with patents filed for the assignee):

Horst Tillmann (5 out of 11 patents)

Giselher Sieg (4 out of 4 patents)

Dietrich Jentsch (3 out of 9 patents)

4. Herbert Cleff (2 out of 2 patents)

5. Werner Hasemann (1 out of 1 patent)

6. Herbert Kordes (1 out of 1 patent)

7. Horst Tillman (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 4785493 - Door check (1988-11-22),

2. 4660250 - Door closer (1987-04-28),

3. 4658468 - Door check (1987-04-21),

4. 4580365 - Automatic door lock (1986-04-08),

5. 4564973 - Door closing device having an adjustable length arm (1986-01-21),

6. 4376323 - Automatic door closer (1983-03-15),

7. 4349939 - Automatic door closer (1982-09-21),

8. 4330960 - Closing arrangement for sliding doors and the like (1982-05-25),

9. 4263694 - Door closer (1981-04-28),

10. 4234996 - Automatic door closer constructed for releasably holding a door in a (1980-11-25),

11. 4080687 - Door closer (1978-03-28),

12. 4067084 - Automatic door closer (1978-01-10),

13. 3989286 - Device for arresting a door (1976-11-02),

Dorma-baubeschlag GmbH & Co. KG is a leading global provider of access solutions and services. With a focus on security, safety, and convenience, the company offers a wide range of products including door hardware, electronic access control, and automatic door systems. Dorma-baubeschlag is committed to delivering innovative solutions that enhance the overall security and functionality of buildings.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

13 Patents

#9 in Ennepetal-Voerde

#3,063 in DT

#43,615 in the World

Ennepetal, Germany

Dorma-baubeschlag Gmbh & Co. Kg