Inventor · disambiguated record
Ivan L. Joy
Also filed as: JOY IVAN L
4 granted patents·194 citations·filing 1974–1983
81Inventor score
Files withJOY IVAN L4
Top patents by PatentIndex Score
4 records- 0191US3992656ASiren detectorJOY IVAN L·Filed 1975·Granted Nov 16, 1976·68 cites·8 claims
- 0287US3962908ATransducer arrangement for ultrasonic rail tester coupling carriagesJOY IVAN L·Filed 1975·Granted Jun 15, 1976·54 cites·18 claims
- 0381US4593569AUltrasonic transducer unit to locate cracks in rail baseJOY IVAN L·Filed 1983·Granted Jun 10, 1986·45 cites·20 claims
- 0475US3937068ATransducer arrangement for ultrasonic rail tester coupling carriagesJOY IVAN L·Filed 1974·Granted Feb 10, 1976·27 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →