EPO Patents = 80

Forward Citations = 102

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13 inventors (with patents filed for the assignee):

Walter Renz (2 out of 4 patents)

Julius M Von Resch (2 out of 6 patents)

Thomas Henzler (1 out of 1 patent)

4. Wolfgang Röger (1 out of 1 patent)

5. Udo Dieners (1 out of 3 patents)

6. Daniel Gründler (1 out of 2 patents)

7. Gerhard Schroder (1 out of 3 patents)

8. Dieter Mauckner (1 out of 1 patent)

9. Clive Markovic (1 out of 1 patent)

10. Hans Bentheimer (1 patent)

11. Daniel Gruendler (1 patent)

12. Wolfgang Uebele (1 patent)

13. Zoltan Bencsik (1 patent)

14. Georg Bonn (1 patent)

15. Jens Johann Grosse (1 patent)

7 patents: Sort by Forward Citations

1. 12560007 - Locking device, door assembly having such a locking device and method for installing such a locking device (2026-02-24),

2. 6389855 - Locking device for a door, window or the like (2002-05-21),

3. 6327881 - Locking device (2001-12-11),

4. 5878605 - Lock, in particular mortise lock (1999-03-09),

5. 4967512 - Arrangement for controlling the closing sequence of two wings of a door, (1990-11-06),

6. 4590707 - Releasable panel assembly for window frame or the like (1986-05-27),

7. 4551945 - Hardware for moving a sash into laterally displaced parallel positions (1985-11-12),

Company Overview

Gretsch-unitas Gmbh Baubeschlage is a leading global provider of high-quality hardware and security solutions for doors and windows. With a long history of innovation and craftsmanship, the company offers a wide range of products including locks, hinges, handles, and access control systems. Gretsch-unitas is dedicated to creating secure and reliable solutions for residential, commercial, and industrial buildings.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#9 in Ditzingen

#4,861 in Germany

Ditzingen, Germany

Gretsch-Unitas Gmbh Baubeschlage

Forward Citations = 102

13 inventors:

Walter Renz (2 out of 4 patents)

Julius M Von Resch (2 out of 6 patents)

Thomas Henzler (1 out of 1 patent)

4. Wolfgang Röger (1 out of 1 patent)

5. Udo Dieners (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gretsch-Unitas Gmbh Baubeschlage. Retrieved from https://idiyas.com/company/gretsch-unitas-baubeschlage

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]

80 patents (EPO):

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]