Inventor
FOERSTER ANDREAS
DE38 patents
⚠️ This page may combine multiple inventors who share the name “FOERSTER ANDREAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FICHTEL & SACHS AG
16 patentsUS6035979AMar 14, 2000
Vibration damper and a vibration damper with a damping valve having an adjustable damping force
FICHTEL & SACHS AG138 citations98
US5937975AAug 17, 1999
Vibration damper for a motor vehicle and a vibration damper having a damping valve with adjustable damping force for a motor vehicle
FICHTEL & SACHS AG123 citations98
US5699885ADec 23, 1997
Vibration damper with adjustable damping force
FICHTEL & SACHS AG109 citations98
US5413196AMay 9, 1995
Oscillation damper
FICHTEL & SACHS AG116 citations98
US5651433AJul 29, 1997
Fluid operated oscillation damper
FICHTEL & SACHS AG110 citations97
US5307710AMay 3, 1994
Two-mass flywheel
FICHTEL & SACHS AG79 citations96
US5080215AJan 14, 1992
Torsion vibration damper
FICHTEL & SACHS AG40 citations93
US6044939AApr 4, 2000
Vibration damper, for a motor vehicle, with adjustable damping force
FICHTEL & SACHS AG32 citations92
US6000508ADec 14, 1999
Vibration damper and a damping valve with adjustable damping force for a vibration damper
FICHTEL & SACHS AG34 citations92
US5740890AApr 21, 1998
Vibration damper or shock absorber with adjustable damping force arrangement having an intermediate tube
FICHTEL & SACHS AG25 citations92
US5738191AApr 14, 1998
Vibration damper
FICHTEL & SACHS AG37 citations92
US5551541ASep 3, 1996
Shock absorber
FICHTEL & SACHS AG24 citations92
US5279183AJan 18, 1994
Combination of a crankshaft and a flywheel
FICHTEL & SACHS AG33 citations92
US5477949ADec 26, 1995
Shock absorber
FICHTEL & SACHS AG16 citations74
US5083981AJan 28, 1992
Two-mass fly-wheel for a motor vehicle
FICHTEL & SACHS AG15 citations74
US4641736AFeb 10, 1987
Friction clutch
FICHTEL & SACHS AG14 citations74
MANNESMANN SACHS AG
5 patentsUS6182687B1Feb 6, 2001
Pressure-dependent valve for a vibration damper
MANNESMANN SACHS AG35 citations92
US6082507AJul 4, 2000
Rotary vibration damper
MANNESMANN SACHS AG34 citations92
US6135250AOct 24, 2000
Hydropneumatic vibration damper of variable damping force
MANNESMANN SACHS AG19 citations80
US6145809ANov 14, 2000
Actuator for an electromagnetically adjustable valve
MANNESMANN SACHS AG2 citations63
US6428010B1Aug 6, 2002
Sealing strip
MANNESMANN SACHS AG6 citations62
KAESER KOMPRESSOREN SE
5 patentsUS12031537B2Jul 9, 2024
Screw compressor with multi-layered coating of the rotor screws
KAESER KOMPRESSOREN SE2 citations71
US11649823B2May 16, 2023
Screw compressor with multi-layered coating of the rotor screws
KAESER KOMPRESSOREN SE2 citations71
US11274992B2Mar 15, 2022
Method for analyzing the compressed-air supply security of a compressed-air system
KAESER KOMPRESSOREN SE0 citations62
US12421966B2Sep 23, 2025
Screw compressor with multi-layered coating of the rotor screws
KAESER KOMPRESSOREN SE0 citations60
US9651048B2May 16, 2017
Gas inlet valve for a compressor, compressor comprising a gas inlet valve of this type and method for operating a compressor comprising a gas inlet valve of this type
KAESER KOMPRESSOREN SE0 citations42
ZF SACHS AG
3 patentsFOERSTER ANDREAS
3 patentsUS8333818B2Dec 18, 2012
Filter element and compressed air filter for separating foreign matter from a compressed air stream
FOERSTER ANDREAS21 citations91
US8485224B2Jul 16, 2013
Adjustable damping valve device
FOERSTER ANDREAS9 citations83
US8142172B2Mar 27, 2012
Silencer designed and intended for a compressor
FOERSTER ANDREAS11 citations83
ZAHNRADFABRIK FRIEDRICHSHAFEN
3 patentsUS7699148B2Apr 20, 2010
Damping valve assembly with a progressive damping force characteristic
ZAHNRADFABRIK FRIEDRICHSHAFEN11 citations84
US7523817B2Apr 28, 2009
Torsional vibration damper
ZAHNRADFABRIK FRIEDRICHSHAFEN12 citations84
US7172058B2Feb 6, 2007
Vibration damper with amplitude-dependent damping force
ZAHNRADFABRIK FRIEDRICHSHAFEN18 citations79