Inventor · disambiguated record
Jack Graham Firth
Also filed as: FIRTH JACK G · FIRTH JACK GRAHAM
4 granted patents·46 citations·filing 1975–1978
76Inventor score
Files withNAT RES DEV4
Top patents by PatentIndex Score
4 records- 0164US4036592ADetection of carbon monoxideNAT RES DEV·Filed 1975·Granted Jul 19, 1977·18 cites·9 claims
- 0257US4111658ACatalytic gas detectorsNAT RES DEV·Filed 1977·Granted Sep 5, 1978·15 cites·10 claims
- 0349US4198850AGas sensorsNAT RES DEV·Filed 1978·Granted Apr 22, 1980·10 cites·5 claims
- 0429US4057996ASystems for monitoring the composition of exhaust gasesNAT RES DEV·Filed 1976·Granted Nov 15, 1977·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →