EPO Patents = 3

Forward Citations = 101

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5 inventors (with patents filed for the assignee):

Julius M Von Resch (3 out of 6 patents)

Walter Renz (2 out of 4 patents)

Julius Maus (2 out of 4 patents)

4. Udo Dieners (1 out of 2 patents)

5. Daniel Gründler (1 out of 2 patents)

6. Simon Golder (0 patent)

7. Robert Rossall (0 patent)

6 patents: Sort by Forward Citations

1. 6266981 - Lock, in particular mortise lock for an exterior door (2001-07-31),

2. D404142 - Combined window and window frame (1999-01-12),

3. 4562667 - Panel closure assembly for window, door or the like (1986-01-07),

4. 4557321 - Ventilator apparatus (1985-12-10),

5. 4434678 - Control mechanism for a window or door (1984-03-06),

6. 4428279 - Ventilation register (1984-01-31),

Gretsch-unitas is a leading manufacturer of high-quality door and window hardware solutions. With a rich history dating back over 100 years, the company offers innovative products and solutions for residential, commercial, and industrial applications. Their products are known for their durability, functionality, and aesthetic appeal. Gretsch-unitas is dedicated to providing customers with top-notch service and solutions that meet their specific needs and requirements.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

6 Patents

#8 in Ditzingen

#5,304 in Germany

Ditzingen, Germany

Gretsch-unitas Gmbh