Inventor
GRATON MICHEL
FR45 patents
⚠️ This page may combine multiple inventors who share the name “GRATON MICHEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VALEO
41 patentsUS5169357ADec 8, 1992
Torsion damping device, in particular for a clutch friction disc for a motor vehicle
VALEO24 citations93
US5117959AJun 2, 1992
Torsion damping device, in particular for automotive vehicles
VALEO26 citations93
US4899862AFeb 13, 1990
Torsion damping device with a centring ring member
VALEO34 citations92
US5590750AJan 7, 1997
Torsion damper for a lock-up clutch, and a lock-up clutch having such a torsion damper
VALEO31 citations91
US6269926B1Aug 7, 2001
Friction clutch with electromechanical actuator, in particular for motor vehicle
VALEO21 citations87
US6354419B1Mar 12, 2002
Clutch mechanism with wear take-up device comprising balancing means
VALEO19 citations84
US5820466AOct 13, 1998
Friction unit and a method of making it, and a torsion damper including such a friction unit
VALEO19 citations84
US4969855ANov 13, 1990
Torsion damping device of large angular displacement, particularly a friction clutch, especially for an automotive vehicle
VALEO22 citations82
US4697682AOct 6, 1987
Torsional damper device
VALEO24 citations81
US4883156ANov 28, 1989
Torsion damping device for a disc type friction clutch for an automobile vehicle
VALEO20 citations77
US6186897B1Feb 13, 2001
Torsional damper, in particular for motor vehicle friction clutch
VALEO7 citations74
US5722895AMar 3, 1998
Torsion predamper, notably for motor vehicles
VALEO7 citations74
US5279398AJan 18, 1994
Torsion damping device for torque transmission apparatus
VALEO14 citations74
US5145463ASep 8, 1992
Three part torsional damper assembly with facing means for setting correct circumferential relationship of the parts
VALEO11 citations74
US5137133AAug 11, 1992
Low inertia friction clutch, especially for an automotive vehicle
VALEO16 citations74
US5090945AFeb 25, 1992
Torsion damping device, in particular a friction clutch for automotive vehicles
VALEO10 citations74
US5076409ADec 31, 1991
Low inertia friction clutch, in particular for an automotive vehicle
VALEO17 citations74
US5025904AJun 25, 1991
Torsion damping device, in particular for a friction clutch for an automotive vehicle
VALEO17 citations74
US5014842AMay 14, 1991
Torsion damping device for an automotive friction clutch disc
VALEO16 citations74
US4963119AOct 16, 1990
Torsion damping device including viscous damping means, in particular for automotive vehicles
VALEO9 citations74
US4941860AJul 17, 1990
Coaxial torsion damper, particularly for automotive vehicles
VALEO11 citations74
US4580673AApr 8, 1986
Clutch disc for automotive clutches
VALEO19 citations74
US6296098B1Oct 2, 2001
Friction clutch mechanism, in particular for motor vehicle, comprising a wear take-up device
VALEO7 citations73
US5695034ADec 9, 1997
Torsion damper especially for a motor vehicle
VALEO10 citations73
US5064041ANov 12, 1991
Automotive friction clutch with torsion damping device
VALEO16 citations73
US4685896AAug 11, 1987
Clutch disk with torsional damper assembly
VALEO10 citations73
US4674992AJun 23, 1987
Torsional Damper Device
VALEO12 citations73
US4669592AJun 2, 1987
Torsional damper device
VALEO12 citations73
US4655337AApr 7, 1987
Torsional damper device
VALEO15 citations73
US6079538AJun 27, 2000
Clutch mechanism for friction clutch with low declutching force
VALEO9 citations72
US5855267AJan 5, 1999
Clutch module having improved means for fastening its cover plate on the reaction plate
VALEO9 citations72
US5433666AJul 18, 1995
Torsion damping device with a dynamic vibration damper, in particular for automotive vehicles
VALEO12 citations71
US4697683AOct 6, 1987
Clutch friction disk
VALEO17 citations70
US4860871AAug 29, 1989
Clutch friction disc with predamper
VALEO14 citations67
US4908004AMar 13, 1990
Torsion damping device with movement transmitting element
VALEO12 citations64
US6460675B1Oct 8, 2002
Slip clutch with a linear friction wear take-up device, especially for a motor vehicle
VALEO4 citations63
US6334520B1Jan 1, 2002
Clutch mechanism equipped with a wear take-up module
VALEO6 citations63
US6253897B1Jul 3, 2001
Clutch mechanism comprising a wear take-up module
VALEO3 citations63
US6179715B1Jan 30, 2001
Torsional damper, in particular for motor vehicle clutch friction
VALEO4 citations63
US5732811AMar 31, 1998
Ram with two control chambers and a clutch release bearing provided with such a ram
VALEO6 citations62
US5013281AMay 7, 1991
Monobloc hub, particularly for an automotive vehicle
VALEO4 citations54