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For the Inventor, By the Inventor

Ennepetal, Germany

Dormakaba Deutschland Gmbh


USPTO Granted Patents = 48


Trademarks = 26

Forward Citations = 63

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51 inventors (with patents filed for the assignee):

goldMedal Alexander Hellwig (9 out of 15 patents)

silverMedal Thomas Salutzki (8 out of 16 patents)

bronzeMedal Konstantin Lygin (7 out of 7 patents)

4.  Sven Busch (6 out of 20 patents)

5.  Bernhard Heitz (6 out of 6 patents)

6.  Frank Wegner (5 out of 5 patents)

7.  Harald Eichner (4 out of 6 patents)

8.  Volker Bienek (4 out of 16 patents)

9.  Martin Boeckhoff (4 out of 4 patents)

10.  Ralf Kreyenborg (3 out of 8 patents)

11.  Sabine Wiemann (3 out of 7 patents)

12.  Andreas Finke (3 out of 16 patents)

13.  Arne Liebscher (3 out of 8 patents)

14.  Martin Wagner (3 out of 3 patents)

15.  Chandra Gupta (3 out of 3 patents)


Core Competencies:
Door Actuator
Sliding Door
Access Control Device
Fire Protection Device
Door Drive
Passage Barrier
Motor Winding Temperature
Automatic Door Functions
Linkage Mechanism
Revolving Door
Guiding Rail
Roller Carriage

48 patents:

1. 12516563 - Drive device for pivoting a leaf, hinged door or casement window assembly, and use of the drive device for a hinged door or casement window drive (2026-01-06),
2. 12497818 - Method for operating a door actuator (2025-12-16),
3. 12473772 - Method for operating a door actuator (2025-11-18),
4. 12428894 - Drive device for moving a leaf (2025-09-30),
5. 12385309 - Linkage for a door actuator (2025-08-12),
6. 12366102 - Drive unit for a sliding assembly, in particular a sliding door (2025-07-22),
7. 12345848 - Interlock; system, comprising an interlock; method for controlling a flow of people and/or for security checking; computer program product (2025-07-01),
8. 12234679 - Direct swing leaf actuator (2025-02-25),
9. 12188289 - Method for operating a door actuator (2025-01-07),
10. 12146357 - Fire protection securing device for securing a door actuator (2024-11-19),
11. 12139959 - Regulating valve for a door drive and to a door drive (2024-11-12),
12. 12123245 - Method for operating a door system (2024-10-22),
13. 12113399 - Door drive with a small high-performance motor unit (2024-10-08),
14. 12063005 - Method of determining the temperature of a motor winding of an electric motor (2024-08-13),
15. 12060744 - Configuration of automatic functions for a door (2024-08-13),
DORMAKABA DEUTSCHLAND GMBH is a leading provider of secure access solutions and services. They offer innovative products, systems, and services for everything related to access, from locks and keys to electronic access systems, entrance systems, door hardware, and physical access control. With their extensive portfolio, they provide solutions for industries including commercial, hospitality, residential, education, healthcare, and airports. dormakaba is committed to providing reliable and sustainable security products to enhance the safety and convenience of buildings and spaces.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

48 Patents

#3 in Ennepetal

#1,138 in Germany

#14,129 in the World

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Ennepetal, Germany

Dormakaba Deutschland Gmbh

Forward Citations = 63

51 inventors:

goldMedal Alexander Hellwig (9 out of 15 patents)

silverMedal Thomas Salutzki (8 out of 16 patents)

bronzeMedal Konstantin Lygin (7 out of 7 patents)

4.  Sven Busch (6 out of 20 patents)

5.  Bernhard Heitz (6 out of 6 patents)

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