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Ennepetal, Germany

August Bilstein Gmbh & Co Kg

USPTO Granted Patents = 37

Trademarks = 1

Forward Citations = 415

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47 inventors (with patents filed for the assignee):

Zhen Huang (10 out of 15 patents)

Klaus Schmidt (6 out of 8 patents)

Peter Brosius (5 out of 7 patents)

4. Reinhard Holscher (5 out of 6 patents)

5. Ludger Gesenhues (5 out of 5 patents)

6. Johannes J De Baan (5 out of 6 patents)

7. Ferdinand Alten (4 out of 12 patents)

8. Adolf Adrian (3 out of 7 patents)

9. Hans-Jurgen Hoffmann (3 out of 3 patents)

10. Wolfgang Metzen (3 out of 3 patents)

11. Rolf Angermann (3 out of 4 patents)

12. Hans Scheerer (2 out of 9 patents)

13. Gerhard Herberg (2 out of 2 patents)

14. Thomas Wormann (2 out of 2 patents)

15. Andreas Opara (2 out of 5 patents)

37 patents: Sort by Forward Citations

1. 5810127 - Proportional valve (1998-09-22),

2. 5685659 - Pivot for articulating the load-bearing components of a jack (1997-11-11),

3. 5579876 - Stopper for a hydraulic dashpot (1996-12-03),

4. 5540309 - Hydraulic cylinder sealing structure (1996-07-30),

5. 5533598 - Hydraulic shock absorber for motor vehicles (1996-07-09),

6. 5462143 - Controllable shock absorber for motor vehicles (1995-10-31),

7. 5451870 - Sensor for measuring the difference between the velocity of a cylinder (1995-09-19),

8. 5435522 - Vehicle lift (1995-07-25),

9. 5409087 - Hydraulic dashpot for motor vehicles (1995-04-25),

10. 5392883 - Controllable hydraulic vibration dampener (1995-02-28),

11. 5388676 - Hydraulic dashpot for motor vehicles (1995-02-14),

12. 5375683 - Controllable vibration damper for motor vehicles (1994-12-27),

13. 5303803 - Variable dashpot for motor vehicles (1994-04-19),

14. 5275378 - Automotive jack (1994-01-04),

15. 5254009 - Controllable vibration damper for motor vehicles (1993-10-19),

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USPTO Data Jan 1 1976 - Dec 9 2025

37 Patents

#4 in Ennepetal

#1,380 in Germany

#17,698 in the World

Ennepetal, Germany

August Bilstein Gmbh & Co Kg

Forward Citations = 415

47 inventors:

Zhen Huang (10 out of 15 patents)

Klaus Schmidt (6 out of 8 patents)

Peter Brosius (5 out of 7 patents)

4. Reinhard Holscher (5 out of 6 patents)

5. Ludger Gesenhues (5 out of 5 patents)

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