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Ennepetal, Germany

Dorma Gmbh + Co. Kg

USPTO Granted Patents = 144

CIPO Patents = 1

EPO Patents = 81

Trademarks = 11

Forward Citations = 2,060

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90 inventors (with patents filed for the assignee):

Lothar Ginzel (11 out of 15 patents)

Sven Busch (10 out of 20 patents)

Hubert Elmer (10 out of 14 patents)

4. Andreas Finke (9 out of 16 patents)

5. Volker Bienek (9 out of 16 patents)

6. Georg Kaluza (8 out of 31 patents)

7. Michael Hufen (7 out of 7 patents)

8. Dietrich Jentsch (6 out of 9 patents)

9. Thomas Salutzki (5 out of 16 patents)

10. Arne Liebscher (5 out of 8 patents)

11. Bernd Winkler (5 out of 5 patents)

12. Horst Tillmann (5 out of 11 patents)

13. Christian Hein (5 out of 6 patents)

14. Herbert Kordes (5 out of 5 patents)

15. Olaf Lüttmann (4 out of 4 patents)

Core Competencies:

Door Actuator

Mobile Partitioning Wall

Door Drive

Sliding Door

Linear Motor Arrangement

Door Closer

Locking System

Suspension System

Ceiling Track System

Manual Unlocking Unit

Braking Circuit

Frameless Glass Door

144 patents: Sort by Forward Citations

1. 9181744 - Door actuator (2015-11-10),

2. 9003732 - Mobile partitioning wall (2015-04-14),

3. 9003630 - Assembly plate for housing at least one module in a housing body and corresponding method (2015-04-14),

4. 8963683 - Enabling of functions in a door drive (2015-02-24),

5. 8904710 - Door drive (2014-12-09),

6. 8875344 - Door closer (2014-11-04),

7. 8857015 - Carriage and suspension system utilizing carriages (2014-10-14),

8. 8826494 - Door closer comprising cam drive (2014-09-09),

9. 8819895 - Door closer with free-swing function (2014-09-02),

10. 8806715 - Door closer comprising device for preventing a spring-back (2014-08-19),

11. 8732904 - Door closer (2014-05-27),

12. 8695277 - Door actuator (2014-04-15),

13. 8651534 - Locking system for door leaf installations (2014-02-18),

14. 8627621 - Roller rail for a sliding door and method for actuating a turnout in a roller rail (2014-01-14),

15. 8601744 - Door actuator with an actuator unit (2013-12-10),

DORMA GmbH + Co. KG is a global provider of access solutions and security systems. With a wide range of products, including door hardware, glass fittings, automatic doors, and secure access solutions, DORMA aims to create secure and comfortable environments for customers worldwide. Their innovative technologies and design-driven solutions cater to various industries, including commercial buildings, hospitality, healthcare, and residential. DORMA focuses on delivering high-quality products and exceptional customer service, ensuring the safety, convenience, and aesthetic appeal of every access point.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

144 Patents

#1 in Ennepetal

#461 in Germany

#5,512 in the World

Ennepetal, Germany

Dorma Gmbh + Co. Kg

Forward Citations = 2,060

90 inventors:

Lothar Ginzel (11 out of 15 patents)

Sven Busch (10 out of 20 patents)

Hubert Elmer (10 out of 14 patents)

4. Andreas Finke (9 out of 16 patents)

5. Volker Bienek (9 out of 16 patents)

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