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Leinfelden-Echterdingen, Germany

Roto Frank Fenster- Und Tuertechnologie Gmbh

USPTO Granted Patents = 5

Forward Citations = 10

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17 inventors (with patents filed for the assignee):

Winfried Reich (4 out of 7 patents)

Martin Krebs (3 out of 5 patents)

Ulrich Pfeiffer (2 out of 2 patents)

4. Tamas Nyikos (1 out of 4 patents)

5. Peter Riznik (1 out of 3 patents)

6. Michael Beutel (1 out of 2 patents)

7. Erkan Balci (1 out of 4 patents)

8. Zsolt Varsányi (1 out of 2 patents)

9. Udo Pastrich (1 out of 1 patent)

10. Richard Erb (1 out of 2 patents)

11. Joerg Boenkendorf (1 out of 1 patent)

12. Choongeun Park (1 out of 3 patents)

13. Stefan Fingerle (1 out of 2 patents)

14. Andreas Schmidt (1 out of 1 patent)

15. Robert Hopfer (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 12486703 - Window or door with a precisely controlling, but flexibly usable, sash stop mechanism (2025-12-02),

2. 12467293 - Fitting arrangement for a window or door (2025-11-11),

3. 12371934 - Hinge for door or window (2025-07-29),

4. 12006748 - Means for securing against operating errors for leaves of a window or door that can be slid together (2024-06-11),

5. 11428033 - Pre-assembled fitting group and fitting assembly for a window or a door (2022-08-30),

6. 11085216 - Displacement arrangement having a rolling bearing guide (2021-08-10),

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USPTO Data Jan 1 1976 - Dec 9 2025

5 Patents

#8 in Leinfelden-Echterdingen

#6,008 in Germany

Leinfelden-Echterdingen, Germany

Roto Frank Fenster- Und Tuertechnologie Gmbh

Forward Citations = 10

17 inventors:

Winfried Reich (4 out of 7 patents)

Martin Krebs (3 out of 5 patents)

Ulrich Pfeiffer (2 out of 2 patents)

4. Tamas Nyikos (1 out of 4 patents)

5. Peter Riznik (1 out of 3 patents)

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