Assignee
CANRON CORP
US29 patents
Top patents by PatentIndex Score
US4770103ASep 13, 1988
Method and apparatus for exchanging railway cross ties with rail clamping mechanism to prevent rail flexure
CANRON CORP28 citations90
US4280613AJul 28, 1981
Tie plate conveying and orientating system
CANRON CORP50 citations90
US4241663ADec 30, 1980
Tie plate handling means for rail changing machine
CANRON CORP64 citations90
US4426873AJan 24, 1984
Deflection compensating means for press brakes and the like
CANRON CORP30 citations85
US4449459AMay 22, 1984
Pivoting head continuous tamper
CANRON CORP20 citations81
US4369712AJan 25, 1983
Railroad tamping machine
CANRON CORP21 citations81
US4266352AMay 12, 1981
Ballast side plow
CANRON CORP19 citations80
US4418625ADec 6, 1983
Bidirectionally operative tie exchanging apparatus
CANRON CORP21 citations79
US4282815AAug 11, 1981
Railroad tamping machine
CANRON CORP8 citations73
US4565133AJan 21, 1986
Clamp arrangement for track lifting and aligning device
CANRON CORP15 citations72
US4658730AApr 21, 1987
Railroad correction apparatus
CANRON CORP19 citations71
US4421034ADec 20, 1983
Compact bidirectionally operative tie exchanging apparatus
CANRON CORP7 citations71
US4370093AJan 25, 1983
Spike orienter
CANRON CORP7 citations71
US4297870ANov 3, 1981
Hydraulic press with integral knockout and stroke control
CANRON CORP7 citations71
US4274334AJun 23, 1981
Machine for changing rails
CANRON CORP14 citations71
USD255575SJun 24, 1980
Open back stationary press
CANRON CORP9 citations71
US4367681AJan 11, 1983
Dynamic loading correcting device
CANRON CORP7 citations70
US4501200AFeb 26, 1985
Tamping tool retainer
CANRON CORP12 citations69
US4295259AOct 20, 1981
Method of filling spike holes in railway ties
CANRON CORP24 citations69
US4201602AMay 6, 1980
Rail hardening machine and method
CANRON CORP9 citations68
US4554697ANov 26, 1985
Ballast brooms
CANRON CORP7 citations61
US4203367AMay 20, 1980
Lift and line beam extension
CANRON CORP5 citations61
US4407628AOct 4, 1983
Apparatus for handling cuttings from a shear
CANRON CORP4 citations60
US4363274ADec 14, 1982
Center line follower
CANRON CORP6 citations60
US4242901AJan 6, 1981
Hydraulic press with integral knockout and stroke control
CANRON CORP3 citations60
US4266351AMay 12, 1981
Center plow for railroad ballast
CANRON CORP6 citations58
US4266353AMay 12, 1981
Device for plowing ballast
CANRON CORP1 citations50
US4127069ANov 28, 1978
Railroad track shifting machine with shift limiting device
CANRON CORP1 citations50
US4257296AMar 24, 1981
Shear back-gauging system
CANRON CORP1 citations49