For the Inventor, By the Inventor

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Villingen Schwenningen, Germany

Dormakaba Ead Gmbh

USPTO Granted Patents = 4

EPO Patents = 6

Forward Citations = 0

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16 inventors (with patents filed for the assignee):

Martin Ruof (2 out of 2 patents)

Andreas Reinbold (2 out of 2 patents)

Elmar Meiss (2 out of 2 patents)

4. Heinz Schwab (1 out of 2 patents)

5. Hartmut Koeppinger (1 out of 1 patent)

6. Florian Finkbeiner (1 out of 1 patent)

7. Ingo Halder (1 out of 2 patents)

8. Chandra Gupta (1 out of 5 patents)

9. Stephan Giernich (1 out of 1 patent)

10. Kai Oberste-ufer (1 out of 2 patents)

11. Frank Lorenz (1 out of 2 patents)

12. Andrzej Dudzinski (1 out of 2 patents)

13. Alexander Bradfisch (1 out of 1 patent)

14. Christian Rappel (1 out of 1 patent)

15. Pedro Guerra (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12736942 - Method for preparing for the start-up of a control unit for access devices, access system, control unit, access device, computer program product (2026-09-15),

2. 12718203 - Attendance recording terminal (2026-08-25),

3. 12639985 - Time and/or attendance recording device; system; method for operating a time and/or attendance recording device; computer program product (2026-05-26),

4. 12333060 - Attendance recording terminal and method of operation to protect against acts of sabotage (2025-06-17),

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USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#12 in Villingen Schwenningen

#7,032 in Germany

Villingen Schwenningen, Germany

Dormakaba Ead Gmbh

Forward Citations = 0

16 inventors:

Martin Ruof (2 out of 2 patents)

Andreas Reinbold (2 out of 2 patents)

Elmar Meiss (2 out of 2 patents)

4. Heinz Schwab (1 out of 2 patents)

5. Hartmut Koeppinger (1 out of 1 patent)

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