Inventor · disambiguated record
Charles A. Christopher
Also filed as: CHRISTOPHER CHARLES · CHRISTOPHER CHARLES A · CHRISTOPHER CHARLES A JR · CHRISTOPHER CHARLES ARLES
13 granted patents·1 pending application·326 citations·filing 1974–2012
93Inventor score
Files withTEXACO INC8BP CORP NORTH AMERICA INC2BP EXPLORATION OPERATING1DODDS KEVIN1STANDARD OIL CO1
Top patents by PatentIndex Score
14 records- 0195US3965986AMethod for oil recovery improvementTEXACO INC·Filed 1974·Granted Jun 29, 1976·62 cites·9 claims
- 0291US7600567B2Desalination methodBP EXPLORATION OPERATING·Filed 2005·Granted Oct 13, 2009·63 cites·27 claims
- 0385US3956145AFluid for injection into a subterranean reservoir to displace hydrocarbons in the reservoirTEXACO INC·Filed 1974·Granted May 11, 1976·27 cites·4 claims
- 0483US4454772AMethod for sampling a fluid from a wellTEXACO INC·Filed 1981·Granted Jun 19, 1984·52 cites·2 claims
- 0571US4457372AMethod of recovering petroleum from underground formationsTEXACO INC·Filed 1981·Granted Jul 3, 1984·33 cites·4 claims
- 0663US4454773ATime interval automatic well multi-phase fluid samplerTEXACO INC·Filed 1981·Granted Jun 19, 1984·32 cites·5 claims
- 0763US4214475AAdapter for a sensitive viscometerTEXACO AG·Filed 1978·Granted Jul 29, 1980·18 cites·8 claims
- 0860US7380598B2Method for detecting fluid leakage from a subterranean formationBP CORP NORTH AMERICA INC·Filed 2005·Granted Jun 3, 2008·7 cites·18 claims
- 0952US4428429AMethod for sweep improvement utilizing gel-forming ligninsSTANDARD OIL CO·Filed 1981·Granted Jan 31, 1984·13 cites·18 claims
- 1048US7775274B2Method for detecting fluid leakage from a subterranean formationBP CORP NORTH AMERICA INC·Filed 2008·Granted Aug 17, 2010·2 cites·6 claims
- 1144US4078607AOil recovery process using improved thickened aqueous flooding liquidsTEXACO INC·Filed 1976·Granted Mar 14, 1978·9 cites·10 claims
- 1240US4104193AImparting superior viscosity to aqueous polysaccharide solutionsTEXACO INC·Filed 1976·Granted Aug 1, 1978·6 cites·8 claims
- 1333US2014091803A1Systems for and methods of monitoring underground co2 storageDODDS KEVIN·Filed 2012·Application pending·0 cites
- 1428US4210204AMethod for plugging high permeability zones in subterranean reservoirsTEXACO INC·Filed 1979·Granted Jul 1, 1980·2 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →