Inventor
COLANZI FRANCO
IT23 patents
⚠️ This page may combine multiple inventors who share the name “COLANZI FRANCO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RIV OFFICINE DI VILLAR PEROSA
21 patentsUS4792242ADec 20, 1988
Tight bearing suitable for exceptionally heavy duty conditions
RIV OFFICINE DI VILLAR PEROSA54 citations96
US4874261AOct 17, 1989
Seal for bearings
RIV OFFICINE DI VILLAR PEROSA31 citations92
US4770425ASep 13, 1988
Sealing device with an elastomeric ring having two sealing lips
RIV OFFICINE DI VILLAR PEROSA27 citations92
US4669895AJun 2, 1987
Sealing unit for mutually rotating members
RIV OFFICINE DI VILLAR PEROSA38 citations92
US4582338AApr 15, 1986
Vehicle wheel bearing
RIV OFFICINE DI VILLAR PEROSA31 citations92
US4433877AFeb 28, 1984
Support assembly for vehicle wheels
RIV OFFICINE DI VILLAR PEROSA42 citations92
US4428629AJan 31, 1984
Protection and seal member for rolling bearings
RIV OFFICINE DI VILLAR PEROSA27 citations92
US4171594AOct 23, 1979
Electrically controlled window regulator, particularly for motor vehicles
RIV OFFICINE DI VILLAR PEROSA46 citations92
US4074463AFeb 21, 1978
Electrically controlled window regulator
RIV OFFICINE DI VILLAR PEROSA41 citations92
US4437536AMar 20, 1984
Support assembly for vehicle wheels
RIV OFFICINE DI VILLAR PEROSA27 citations90
US4728204AMar 1, 1988
Taper roller bearing, particularly for railway use
RIV OFFICINE DI VILLAR PEROSA39 citations86
US4991982AFeb 12, 1991
Seal bearing
RIV OFFICINE DI VILLAR PEROSA18 citations82
US4928371AMay 29, 1990
Method of making a seal for bearing assembly
RIV OFFICINE DI VILLAR PEROSA20 citations82
US4571227AFeb 18, 1986
Belt drive unit for transmitting drive between the drive shaft on an internal combustion engine and associated accessories
RIV OFFICINE DI VILLAR PEROSA24 citations78
US4795277AJan 3, 1989
Support element of improved type for a vehicle wheel
RIV OFFICINE DI VILLAR PEROSA9 citations74
US4733978AMar 29, 1988
Contact type flexible seal for bearings
RIV OFFICINE DI VILLAR PEROSA15 citations74
US4649875AMar 17, 1987
Oiltight hydraulic tappet for controlling an internal combustion engine valve
RIV OFFICINE DI VILLAR PEROSA7 citations70
US4610225ASep 9, 1986
Hydraulic tappet for controlling an internal combustion engine valve
RIV OFFICINE DI VILLAR PEROSA12 citations69
US4460184AJul 17, 1984
Seal assembly comprising two lips, one of which is axial and the other radial, and a labyrinth
RIV OFFICINE DI VILLAR PEROSA6 citations63
US4640238AFeb 3, 1987
Oiltight hydraulic tappet for controlling an internal combustion engine valve
RIV OFFICINE DI VILLAR PEROSA3 citations58
US4632075ADec 30, 1986
Oiltight hydraulic tappet for controlling an internal combustion engine valve
RIV OFFICINE DI VILLAR PEROSA4 citations58