Inventor · disambiguated record
Ricardo L. Cardenas
Also filed as: CARDENAS RICARDO · CARDENAS RICARDO L · CARLIN JOSEPH T
9 granted patents·153 citations·filing 1974–2009
89Inventor score
Top patents by PatentIndex Score
9 records- 0188US3943954APipeline transportation of viscous hydrocarbonsTEXACO INC·Filed 1974·Granted Mar 16, 1976·48 cites·10 claims
- 0283US4108193APipeline method for transporting viscous hydrocarbonsTEXACO INC·Filed 1976·Granted Aug 22, 1978·29 cites·6 claims
- 0370US4152290ASolution for transporting hydrocarbons in a pipelineTEXACO INC·Filed 1977·Granted May 1, 1979·17 cites·7 claims
- 0467USD619230SHygienic toilet seat and lid combination unitCARDENAS RICARDO·Filed 2009·Granted Jul 6, 2010·4 cites·1 claims
- 0557US4162989AOil-in-water emulsionTEXACO INC·Filed 1977·Granted Jul 31, 1979·11 cites·4 claims
- 0650US4733724AViscous oil recovery methodTEXACO INC·Filed 1986·Granted Mar 29, 1988·21 cites·18 claims
- 0747US4270607AEmulsion oil recovery process usable in high temperature, high salinity formationsTEXACO INC·Filed 1978·Granted Jun 2, 1981·10 cites·19 claims
- 0840US3941192AMethod for recovering high asphaltene content petroleum using surfactantsTEXACO INC·Filed 1974·Granted Mar 2, 1976·9 cites·12 claims
- 0935US4213500AOil recovery process: injection of fatty alcohol followed by soapTEXACO INC·Filed 1978·Granted Jul 22, 1980·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →