Inventor · disambiguated record
John D. Ritchey
Also filed as: RITCHEY JOHN D
3 granted patents·1 pending application·10 citations·filing 2019–2024
65Inventor score
Files withVOESTALPINE SIGNALING USA INC4
Top patents by PatentIndex Score
4 records- 0190US11787454B2Railcar acoustic monitoring system and method of useVOESTALPINE SIGNALING USA INC·Filed 2020·Granted Oct 17, 2023·3 cites·20 claims
- 0288US10864930B2Railcar acoustic monitoring system and method of useVOESTALPINE SIGNALING USA INC·Filed 2019·Granted Dec 15, 2020·6 cites·17 claims
- 0387US12168468B2Railcar acoustic monitoring system and method of useVOESTALPINE SIGNALING USA INC·Filed 2023·Granted Dec 17, 2024·1 cites·9 claims
- 0479US2025171063A1Railcar acoustic monitoring system and method of useVOESTALPINE SIGNALING USA INC·Filed 2024·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →