logo

For the Inventor, By the Inventor

Ennepetal, Germany

Dorma Deutschland Gmbh


USPTO Granted Patents = 26

% Expired Patents = 19.2


Trademarks = 3

Forward Citations = 128

Loading Chart...
Loading Chart...

25 inventors (with patents filed for the assignee):

goldMedal Kenan Aykas (5 out of 7 patents)

silverMedal Sven Busch (4 out of 20 patents)

bronzeMedal 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)


Core Competencies:
Lock
Sliding Door System
Drive Unit
Door Operator
Hinge Plate
Corner Fitting
Servo Door-Closer
Hydraulic Valve
Printed Circuit Board
Partition Wall System
Cylinder Core
Adjustable Fitting

26 patents:

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),
Company Overview
Dorma Deutschland GmbH, based in Ennepetal, Germany, specializes in innovative solutions for door technology and access control systems. The company focuses on the development and manufacturing of high-quality products such as automatic doors, door closers, and locking systems, catering to both commercial and residential markets. With a commitment to enhancing safety, convenience, and design, Dorma integrates advanced technology into its offerings, ensuring seamless functionality and aesthetic appeal in various architectural environments.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

Dorma Deutschland Gmbh USPTO Patent Assignee Logo
26 Patents

#5 in Ennepetal

#1,786 in Germany

#24,806 in the World

Ennepetal, DE
Ennepetal, Germany

Dorma Deutschland Gmbh

Forward Citations = 128

25 inventors:

goldMedal Kenan Aykas (5 out of 7 patents)

silverMedal Sven Busch (4 out of 20 patents)

bronzeMedal Alexander Hellwig (4 out of 15 patents)

4.  Ralf Kreyenborg (2 out of 8 patents)

5.  Kai Gröne (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dorma Deutschland Gmbh. Retrieved from https://idiyas.com/company/dorma-deutschland

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…