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Ennepetal, Germany

Dorma Deutschland Gmbh

USPTO Granted Patents = 26

EPO Patents = 63

Trademarks = 5

Forward Citations = 107

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25 inventors (with patents filed for the assignee):

Kenan Aykas (5 out of 6 patents)

Sven Busch (4 out of 20 patents)

Alexander Hellwig (4 out of 15 patents)

4. Ralf Kreyenborg (2 out of 8 patents)

5. Kai Gröne (2 out of 3 patents)

6. Oliver Walhorn (2 out of 4 patents)

7. Thomas Salutzki (2 out of 16 patents)

8. Lars Lundberg (2 out of 2 patents)

9. Volker Bienek (2 out of 16 patents)

10. Thomas Wildförster (2 out of 6 patents)

11. Thomas Vogler (2 out of 5 patents)

12. Stefan Kissler (1 out of 2 patents)

13. Thomas Schmitz (1 out of 2 patents)

14. Oliver Gendig (1 out of 2 patents)

15. Peter Marczinzik (1 out of 1 patent)

26 patents: Sort by Forward Citations

1. 10107010 - Lock (2018-10-23),

2. 9834969 - Roller carriage for the reception of a sliding door (2017-12-05),

3. 9790723 - Door operator (2017-10-17),

4. 9790719 - Corner fitting with increased clamping force (2017-10-17),

5. 9752379 - Corner fitting with adjustable restraining area (2017-09-05),

6. 9695621 - Hinged door with hinge plate (2017-07-04),

7. 9631412 - Door actuator (2017-04-25),

8. 9605458 - Adjustable corner fitting with holding element (2017-03-28),

9. 9518413 - Corner fitting for disposing a door element on a center of rotation or an axis (2016-12-13),

10. 9506280 - Adjustable corner fitting (2016-11-29),

11. 9501047 - Servo door-closer (2016-11-22),

12. 9447622 - Spring adjusting device for a door actuating device (2016-09-20),

13. 9382742 - Control valve (2016-07-05),

14. 9382727 - Cylinder core for a cylinder for locks (2016-07-05),

15. 9379581 - Drive unit, particularly for a revolving door, with an electronically commutated multipole motor (2016-06-28),

DORMA Deutschland GmbH is a leading provider of innovative access solutions and security technologies. With a global presence, the company offers a wide range of products such as door systems, locks, access control systems, and service solutions for various industries. DORMA aims to provide sustainable and efficient solutions that enhance security, convenience, and design in buildings.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 20 2026

26 Patents

#5 in Ennepetal

#1,818 in Germany

#24,137 in the World

Ennepetal, Germany

Dorma Deutschland Gmbh

Forward Citations = 107

25 inventors:

Kenan Aykas (5 out of 6 patents)

Sven Busch (4 out of 20 patents)

Alexander Hellwig (4 out of 15 patents)

4. Ralf Kreyenborg (2 out of 8 patents)

5. Kai Gröne (2 out of 3 patents)

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