Assignee
CANRON INC
30 granted patents·319 citations·filing 1973–1983
Top patents by PatentIndex Score
30 records- 0179USD284022SBacking ring for a pipe couplingCANRON INC·Filed 1983·Granted May 27, 1986·23 cites·1 claims
- 0277US3967396AUndercutter with rotary trencherCANRON INC·Filed 1974·Granted Jul 6, 1976·38 cites·21 claims
- 0374US4296920AMolten metal treatmentCANRON INC·Filed 1980·Granted Oct 27, 1981·10 cites·6 claims
- 0474US4184431ATrack laying trainCANRON INC·Filed 1977·Granted Jan 22, 1980·35 cites·5 claims
- 0564US4152558AHole sensing device for spike driverCANRON INC·Filed 1977·Granted May 1, 1979·12 cites·7 claims
- 0660US3967395ACrossing undercutter and switch undercutter mounted on tractor-type vehicleCANRON INC·Filed 1974·Granted Jul 6, 1976·18 cites·2 claims
- 0756US4160419ATamping toolCANRON INC·Filed 1977·Granted Jul 10, 1979·15 cites·2 claims
- 0853US4048353AMethod of drilling and injecting perservative fluid into railway tiesCANRON INC·Filed 1976·Granted Sep 13, 1977·11 cites·1 claims
- 0950US4299624AMolten metal treatmentCANRON INC·Filed 1980·Granted Nov 10, 1981·4 cites·21 claims
- 1050US4125075AHigh speed production tamper compactorCANRON INC·Filed 1977·Granted Nov 14, 1978·12 cites·11 claims
- 1150US3965822AShoulder tamping lifting jackCANRON INC·Filed 1974·Granted Jun 29, 1976·12 cites·7 claims
- 1248US4199353AMolten metal treatmentCANRON INC·Filed 1977·Granted Apr 22, 1980·3 cites·5 claims
- 1348US4166291AChord liner using angle measurementCANRON INC·Filed 1977·Granted Aug 28, 1979·15 cites·27 claims
- 1447US4150594AApparatus for handling cuttings from a shearCANRON INC·Filed 1976·Granted Apr 24, 1979·9 cites·29 claims
- 1547US4050338APower knife adjustment for a shear machineCANRON INC·Filed 1975·Granted Sep 27, 1977·9 cites·5 claims
- 1646US4088077AContinuous tamping deviceCANRON INC·Filed 1976·Granted May 9, 1978·12 cites·12 claims
- 1745US4176456AAutomatic integrating linerCANRON INC·Filed 1977·Granted Dec 4, 1979·10 cites·15 claims
- 1845US3952665ADevice for laterally displacing a railroad trackCANRON INC·Filed 1975·Granted Apr 27, 1976·10 cites·8 claims
- 1941US4083775ABallast cleanerCANRON INC·Filed 1976·Granted Apr 11, 1978·8 cites·7 claims
- 2040US4184266ASingle beam reference system for railway surveyingCANRON INC·Filed 1977·Granted Jan 22, 1980·9 cites·24 claims
- 2136US4535700ADevice for tamping railroad track adjacent the tie ends thereofCANRON INC·Filed 1982·Granted Aug 20, 1985·6 cites·46 claims
- 2234US4150596AHydraulic hold-down circuitCANRON INC·Filed 1977·Granted Apr 24, 1979·3 cites·11 claims
- 2334US4136593AFront operated rake adjustment assemblyCANRON INC·Filed 1977·Granted Jan 30, 1979·4 cites·3 claims
- 2433US4109388ANeedle indicator for rail linerCANRON INC·Filed 1976·Granted Aug 29, 1978·4 cites·11 claims
- 2533US4026034ANeedle indicator for rail linerCANRON INC·Filed 1975·Granted May 31, 1977·4 cites·12 claims
- 2630US4131066AReference mechanism for spike driverCANRON INC·Filed 1977·Granted Dec 26, 1978·3 cites·9 claims
- 2729US4178836AMechanical hydro servo valveCANRON INC·Filed 1977·Granted Dec 18, 1979·6 cites·8 claims
- 2825US4440089ARailway track ballast tamping deviceCANRON INC·Filed 1981·Granted Apr 3, 1984·6 cites·4 claims
- 2923US4425969ARail-mounted ballast regulator machineCANRON INC·Filed 1981·Granted Jan 17, 1984·7 cites·13 claims
- 3012US4031731AAlert means for a programming system for press brakes or the likeCANRON INC·Filed 1973·Granted Jun 28, 1977·1 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →