HK

Holger Kirchner

ZA Zf Friedrichshafen Ag: 7 patents #257 of 2,695Top 10%
MA Mannesmann Sachs Ag: 3 patents #67 of 301Top 25%
BG Boge Gmbh: 2 patents #17 of 60Top 30%
MG Mannesmann Boge Gmbh: 2 patents #2 of 15Top 15%
FS Fichtel & Sachs: 1 patents #195 of 388Top 55%
Overall (All Time): #321,292 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10434834 Method for operating a motor vehicle, method for roll compensation of a motor vehicle, and motor vehicle Norbert Ackermann, Helmut Baalmann, Andreas Forster, Sven GREGER, Steffen Heyn +9 more 2019-10-08
10427485 Method of operating a motor vehicle, and motor vehicle Norbert Ackermann, Helmut Baalmann, Michael Triebel, Christian Maurischat, Achim Thomae +9 more 2019-10-01
9975393 Self-pumping hydropneumatic suspension strut Bernhard Russ, Johannes Hampel, Wolfgang Prinz 2018-05-22
9975598 Vibration damper with level control Burkhard Bender, Nobert ACKERMANN 2018-05-22
8091870 Self-pumping hydropneumatic spring strut Thomas Meyer 2012-01-10
8087646 Hydropneumatic suspension with load-dependent damping control Norbert Ackermann 2012-01-03
8052128 Self-pumping hydropneumatic spring strut Hubert Beck, Thomas Meyer 2011-11-08
6494441 Self-pumping hydropneumatic spring strut with internal leveling Hubert Beck, Bernd Wilms 2002-12-17
6276498 Piston for a piston cylinder assembly 2001-08-21
6202993 Self-pumping hydropneumatic shock strut with internal level regulation Bernd Wilms, Achim Meier 2001-03-20
6109400 Impact absorber Metin Ayyildiz 2000-08-29
6019356 Impact absorber Metin Ayyildiz, Jörg Schmitz 2000-02-01
5443146 Impact-absorbing shock absorber with deformation body Metin Ayyildiz 1995-08-22
5285877 Impact damper Hartmut Bonenberger, Kurt Wagner 1994-02-15
5242157 Impact damper Hartmut Bonenberger, Kurt Wagner 1993-09-07