Inventor · disambiguated record
John K. Stewart
Also filed as: STEWART JOHN K · STEWART JOHN KENNETH · STEWART JR JOHN K
16 granted patents·225 citations·filing 1974–1982
94Inventor score
Top patents by PatentIndex Score
16 records- 0188US4280613ATie plate conveying and orientating systemCANRON CORP·Filed 1979·Granted Jul 28, 1981·50 cites·7 claims
- 0283US4330569AMethod for conditioning nitride surfaceNCR CO·Filed 1980·Granted May 18, 1982·57 cites·3 claims
- 0360US3967395ACrossing undercutter and switch undercutter mounted on tractor-type vehicleCANRON INC·Filed 1974·Granted Jul 6, 1976·18 cites·2 claims
- 0456US4160419ATamping toolCANRON INC·Filed 1977·Granted Jul 10, 1979·15 cites·2 claims
- 0553US4048353AMethod of drilling and injecting perservative fluid into railway tiesCANRON INC·Filed 1976·Granted Sep 13, 1977·11 cites·1 claims
- 0650US4125075AHigh speed production tamper compactorCANRON INC·Filed 1977·Granted Nov 14, 1978·12 cites·11 claims
- 0750US3965822AShoulder tamping lifting jackCANRON INC·Filed 1974·Granted Jun 29, 1976·12 cites·7 claims
- 0845US3952665ADevice for laterally displacing a railroad trackCANRON INC·Filed 1975·Granted Apr 27, 1976·10 cites·8 claims
- 0941US4125427AMethod of processing a semiconductorNCR CO·Filed 1976·Granted Nov 14, 1978·8 cites·4 claims
- 1041US4083775ABallast cleanerCANRON INC·Filed 1976·Granted Apr 11, 1978·8 cites·7 claims
- 1136US4367681ADynamic loading correcting deviceCANRON CORP·Filed 1982·Granted Jan 11, 1983·7 cites·10 claims
- 1236US4203367ALift and line beam extensionCANRON CORP·Filed 1979·Granted May 20, 1980·5 cites·26 claims
- 1333US4109388ANeedle indicator for rail linerCANRON INC·Filed 1976·Granted Aug 29, 1978·4 cites·11 claims
- 1433US4026034ANeedle indicator for rail linerCANRON INC·Filed 1975·Granted May 31, 1977·4 cites·12 claims
- 1532US4534104AMixed dielectric process and nonvolatile memory device fabricated therebyNCR CO·Filed 1982·Granted Aug 13, 1985·3 cites·7 claims
- 1629US4127069ARailroad track shifting machine with shift limiting deviceCANRON CORP·Filed 1977·Granted Nov 28, 1978·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →