Assignee
CANRON INC
CA30 patents
Top patents by PatentIndex Score
US4184431AJan 22, 1980
Track laying train
CANRON INC35 citations87
US3967396AJul 6, 1976
Undercutter with rotary trencher
CANRON INC38 citations87
USD284022SMay 27, 1986
Backing ring for a pipe coupling
CANRON INC23 citations73
US4176456ADec 4, 1979
Automatic integrating liner
CANRON INC10 citations73
US4088077AMay 9, 1978
Continuous tamping device
CANRON INC12 citations73
US4083775AApr 11, 1978
Ballast cleaner
CANRON INC8 citations72
US4048353ASep 13, 1977
Method of drilling and injecting perservative fluid into railway ties
CANRON INC11 citations72
US3952665AApr 27, 1976
Device for laterally displacing a railroad track
CANRON INC10 citations72
US4160419AJul 10, 1979
Tamping tool
CANRON INC15 citations71
US4152558AMay 1, 1979
Hole sensing device for spike driver
CANRON INC12 citations71
US4150594AApr 24, 1979
Apparatus for handling cuttings from a shear
CANRON INC9 citations71
US4125075ANov 14, 1978
High speed production tamper compactor
CANRON INC12 citations71
US3967395AJul 6, 1976
Crossing undercutter and switch undercutter mounted on tractor-type vehicle
CANRON INC18 citations71
US3965822AJun 29, 1976
Shoulder tamping lifting jack
CANRON INC12 citations71
US4184266AJan 22, 1980
Single beam reference system for railway surveying
CANRON INC9 citations70
US4296920AOct 27, 1981
Molten metal treatment
CANRON INC10 citations68
US4166291AAug 28, 1979
Chord liner using angle measurement
CANRON INC15 citations68
US4535700AAug 20, 1985
Device for tamping railroad track adjacent the tie ends thereof
CANRON INC6 citations62
US4150596AApr 24, 1979
Hydraulic hold-down circuit
CANRON INC3 citations60
US4136593AJan 30, 1979
Front operated rake adjustment assembly
CANRON INC4 citations60
US4131066ADec 26, 1978
Reference mechanism for spike driver
CANRON INC3 citations60
US4109388AAug 29, 1978
Needle indicator for rail liner
CANRON INC4 citations60
US4026034AMay 31, 1977
Needle indicator for rail liner
CANRON INC4 citations60
US4050338ASep 27, 1977
Power knife adjustment for a shear machine
CANRON INC9 citations59
US4425969AJan 17, 1984
Rail-mounted ballast regulator machine
CANRON INC7 citations58
US4299624ANov 10, 1981
Molten metal treatment
CANRON INC4 citations57
US4199353AApr 22, 1980
Molten metal treatment
CANRON INC3 citations57
US4178836ADec 18, 1979
Mechanical hydro servo valve
CANRON INC6 citations55
US4440089AApr 3, 1984
Railway track ballast tamping device
CANRON INC6 citations50
US4031731AJun 28, 1977
Alert means for a programming system for press brakes or the like
CANRON INC1 citations33