For the Inventor, By the Inventor

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Heilingenhaus, Germany

Kiekert Gmbh & Co Kommanditgesellschaft

USPTO Granted Patents = 35

Forward Citations = 959

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18 inventors (with patents filed for the assignee):

Frank Kleefeldt (23 out of 52 patents)

Peter Bartel (5 out of 24 patents)

Horst Brackmann (5 out of 17 patents)

4. Johannes T Menke (5 out of 10 patents)

5. Rolf Schüler (4 out of 38 patents)

6. Jurgen Ingenhoven (3 out of 4 patents)

7. Ulrich Kostler (2 out of 5 patents)

8. Helmut Moser (1 out of 15 patents)

9. Kurt Raffelsiefer (1 out of 5 patents)

10. Peter Barte (1 out of 1 patent)

11. Hans T Menke (1 out of 1 patent)

12. Horst Brackman (1 out of 1 patent)

13. Lothar Brandes (1 out of 1 patent)

14. Brackmann: Horst (1 out of 1 patent)

15. Horst W Sterzenbach (1 out of 1 patent)

35 patents: Sort by Forward Citations

1. 5188406 - Motor-vehicle door latch (1993-02-23),

2. 5137311 - Motor-vehicle door latch with position indicator (1992-08-11),

3. 5106135 - Motor-vehicle door latch (1992-04-21),

4. 5078436 - Motor-vehicle door with antitheft override (1992-01-07),

5. 5071179 - Motor-vehicle door latch and method of installing same (1991-12-10),

6. 5071178 - Motor-vehicle door latch (1991-12-10),

7. 5056343 - Actuator for power door latch (1991-10-15),

8. 4978154 - Power-actuated motor-vehicle door latch with antitheft feature (1990-12-18),

9. 4974886 - Motor-vehicle door latch with antitheft override (1990-12-04),

10. 4949804 - Protective control system for power door latch (1990-08-21),

11. 4941694 - Power actuator for motor-vehicle central lock system (1990-07-17),

12. 4932690 - Power latch assembly for central lock system (1990-06-12),

13. 4911488 - Motor-vehicle door latch with built-in switch (1990-03-27),

14. 4900074 - Motor-vehicle door latch with child-safety cutout (1990-02-13),

15. 4896908 - Elastomer-clad motor-vehicle door latch (1990-01-30),

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USPTO Data Jan 1 1976 - Dec 9 2025

35 Patents

#1 in Heilingenhaus

#1,449 in Germany

#18,580 in the World

Heilingenhaus, Germany

Kiekert Gmbh & Co Kommanditgesellschaft

Forward Citations = 959

18 inventors:

Frank Kleefeldt (23 out of 52 patents)

Peter Bartel (5 out of 24 patents)

Horst Brackmann (5 out of 17 patents)

4. Johannes T Menke (5 out of 10 patents)

5. Rolf Schüler (4 out of 38 patents)

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