Inventor · disambiguated record
John S. Sperry
Also filed as: KRAJICEK RICHARD W · SPERRY JOHN S
6 granted patents·194 citations·filing 1975–1981
86Inventor score
Files withCARMEL ENERGY6
Top patents by PatentIndex Score
6 records- 0187US4118925ACombustion chamber and thermal vapor stream producing apparatus and methodCARMEL ENERGY·Filed 1977·Granted Oct 10, 1978·45 cites·22 claims
- 0281US3948323AThermal injection process for recovery of heavy viscous petroleumCARMEL ENERGY·Filed 1975·Granted Apr 6, 1976·54 cites·9 claims
- 0372US4244684AMethod for controlling corrosion in thermal vapor injection gasesCARMEL ENERGY·Filed 1979·Granted Jan 13, 1981·22 cites·7 claims
- 0469US4398604AMethod and apparatus for producing a high pressure thermal vapor streamCARMEL ENERGY·Filed 1981·Granted Aug 16, 1983·36 cites·24 claims
- 0559US4156421AMethod and apparatus for producing thermal vapor streamCARMEL ENERGY·Filed 1977·Granted May 29, 1979·15 cites·9 claims
- 0657US3993135AThermal process for recovering viscous petroleumCARMEL ENERGY·Filed 1975·Granted Nov 23, 1976·22 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →