Inventor · disambiguated record
Ralph A. Perry
Also filed as: PERRY RALPH · PERRY RALPH A · PERRY RALPH J
8 granted patents·1 pending application·97 citations·filing 1980–2004
87Inventor score
Top patents by PatentIndex Score
9 records- 0176US4442405AFloat assembly for a sensorEMHART IND·Filed 1982·Granted Apr 10, 1984·18 cites·10 claims
- 0269US4414441AHydrocarbon responsive switchEMHART IND·Filed 1982·Granted Nov 8, 1983·14 cites·4 claims
- 0354US4928973AMethod and course for playing a golf-like gamePERRY RALPH·Filed 1987·Granted May 29, 1990·28 cites·22 claims
- 0446US4988105AMethod and course for playing a golf-like gamePERRY RALPH·Filed 1989·Granted Jan 29, 1991·21 cites·19 claims
- 0541US4434650AHydrocarbon sensor floatEMHART IND·Filed 1982·Granted Mar 6, 1984·8 cites·6 claims
- 0634US2005178142A196 hour duration insulated cryo-pack for maintaining -40 degree fahrenheitFiled 2004·Application pending·0 cites
- 0732US4361031ASensing deviceEMHART IND·Filed 1980·Granted Nov 30, 1982·3 cites·5 claims
- 0831US4384477ASensing deviceEMHART IND·Filed 1980·Granted May 24, 1983·3 cites·8 claims
- 0929US4345459ASensing deviceEMHART IND·Filed 1980·Granted Aug 24, 1982·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →