Inventor · disambiguated record
Hoang Van Le
Also filed as: LE HOANG · LE HOANG V · LE HOANG VAN
42 granted patents·8 pending applications·2,185 citations·filing 1992–2022
98Inventor score
Files withBJ SERVICES CO18UNIV NORTHWESTERN8BAKER HUGHES INC6RHODIA OPERATIONS4BAKER HUGHES A GE CO LLC3
Top patents by PatentIndex Score
50 records- 0199US6169058B1Compositions and methods for hydraulic fracturingBJ SERVICES CO·Filed 1997·Granted Jan 2, 2001·669 cites·58 claims
- 0298US6983801B2Well treatment fluid compositions and methods for their useBJ SERVICES CO·Filed 2004·Granted Jan 10, 2006·149 cites·21 claims
- 0398US6793018B2Fracturing using gel with ester delayed breakingBJ SERVICES CO·Filed 2002·Granted Sep 21, 2004·196 cites·11 claims
- 0498US6228812B1Compositions and methods for selective modification of subterranean formation permeabilityBJ SERVICES CO·Filed 1999·Granted May 8, 2001·280 cites·44 claims
- 0596US5735349ACompositions and methods for modifying the permeability of subterranean formationsBJ SERVICES CO·Filed 1996·Granted Apr 7, 1998·211 cites·10 claims
- 0695US9670141B2(S)-3-amino-4-(difluoromethylenyl)cyclopent-1-ene-1-carboxylic acid, and related compounds as GABA aminotransferase inactivators for the treatment of epilepsy, addiction and hepatocellular carcinomaUNIV NORTHWESTERN·Filed 2016·Granted Jun 6, 2017·26 cites·42 claims
- 0793US6767868B2Breaker system for fracturing fluids used in fracturing oil bearing formationsBJ SERVICES CO·Filed 2001·Granted Jul 27, 2004·78 cites·23 claims
- 0892US9993449B2(S)-3-amino-4-(difluoromethylenyl)cyclopent-1-ene-1-carboxylic acid, and related compounds as GABA aminotransferase inactivators for the treatment of epilepsy, addiction and hepatocellular carcinomaUNIV NORTHWESTERN·Filed 2017·Granted Jun 12, 2018·13 cites·17 claims
- 0991US9562188B2Composites for use in stimulation and sand control operationsBAKER HUGHES INC·Filed 2014·Granted Feb 7, 2017·15 cites·35 claims
- 1090US6017855APolymer expansion for oil and gas recoveryBJ SERVICES CO·Filed 1998·Granted Jan 25, 2000·72 cites·28 claims
- 1190US5447199AControlled degradation of polymer based aqueous gelsBJ SERVICES CO·Filed 1993·Granted Sep 5, 1995·84 cites·11 claims
- 1288US9822621B2Method of using surface modifying treatment agents to treat subterranean formationsBAKER HUGHES INC·Filed 2014·Granted Nov 21, 2017·6 cites·23 claims
- 1387US6387853B1Derivatization of polymers and well treatments using the sameBJ SERVICES CO·Filed 1998·Granted May 14, 2002·74 cites·53 claims
- 1487US5226481AMethod for increasing the stability of water-based fracturing fluidsBJ SERVICES CO·Filed 1992·Granted Jul 13, 1993·59 cites·12 claims
- 1586US9856231B2Tetrahydrothiophene-based GABA aminotransferase inactivatorsUNIV NORTHWESTERN·Filed 2016·Granted Jan 2, 2018·5 cites·11 claims
- 1684US6844296B2Fracturing fluids and methods of making and using sameBJ SERVICES CO·Filed 2002·Granted Jan 18, 2005·65 cites·47 claims
- 1783US10189807B2Tetrahydrothiophene-based GABA aminotransferase inactivatorsUNIV NORTHWESTERN·Filed 2017·Granted Jan 29, 2019·3 cites·6 claims
- 1882US11118100B2Polymeric systems for particle dispersionRHODIA OPERATIONS·Filed 2018·Granted Sep 14, 2021·2 cites·20 claims
- 1982US10047280B2Organophosphorus containing composites for use in well treatment operationsBAKER HUGHES INC·Filed 2014·Granted Aug 14, 2018·6 cites·35 claims
- 2082US9683431B2Method of using surface modifying metallic treatment agents to treat subterranean formationsBAKER HUGHES INC·Filed 2014·Granted Jun 20, 2017·4 cites·34 claims
- 2181US10632088B2Inactivators of Toxoplasma gondii ornithine aminotransferase for treating toxoplasmosis and malariaUNIV NORTHWESTERN·Filed 2017·Granted Apr 28, 2020·1 cites·11 claims
- 2281US7718582B2Method for treating subterranean formation with enhanced viscosity foamBJ SERVICES CO·Filed 2008·Granted May 18, 2010·12 cites·19 claims
- 2381US6649572B2Polymer expansion for oil and gas recoveryB J SERVICES COMPANY·Filed 2001·Granted Nov 18, 2003·21 cites·45 claims
- 2480US10800753B2Tetrahydrothiophene-based GABA aminotransferase inactivators and analogs thereof for treating neurological disordersUNIV NORTHWESTERN·Filed 2019·Granted Oct 13, 2020·1 cites·18 claims
- 2579US6383990B1Polymer expansion for oil and gas recoveryBJ SERVICES CO·Filed 1999·Granted May 7, 2002·48 cites·14 claims
- 2674US10392553B2Method for enhancing productivity of hydrocarbon formations using fluid containing organometallic crosslinking agent and scale inhibitorBAKER HUGHES INC·Filed 2013·Granted Aug 27, 2019·2 cites·21 claims
- 2774US7347265B2Method of forming temporary blocking gel containing guar derivativeBJ SERVICES CO·Filed 2004·Granted Mar 25, 2008·17 cites·11 claims
- 2868US11649709B2Polymer blends for stimulation of oil and gas wellsENERGY SOLUTIONS US LLC·Filed 2021·Granted May 16, 2023·0 cites·8 claims
- 2968US7012044B2Oil and gas recovery from subterranean formationsBJ SERVICES CO·Filed 2003·Granted Mar 14, 2006·20 cites·33 claims
- 3067US11207283B2Inactivators of toxoplasma gondii ornithine aminotransferase for treating toxoplasmosis and malariaUNIV NORTHWESTERN·Filed 2020·Granted Dec 28, 2021·0 cites·11 claims
- 3164US10648304B2Method of using surface modifying treatment agents to treat subterranean formationsBAKER HUGHES A GE CO LLC·Filed 2017·Granted May 12, 2020·0 cites·22 claims
- 3264US9771783B2Method of fracturing with non-derivatized guar containing fluidBAKER HUGHES INC·Filed 2014·Granted Sep 26, 2017·0 cites·20 claims
- 3364US2019338179A1Method for Enhancing Productivity of Hydrocarbon Formations Using Fluid Containing Organometallic Crosslinking Agent and Scale InhibitorBAKER HUGHES A GE CO LLC·Filed 2019·Application pending·0 cites
- 3463US10982519B2Polymer blends for stimulation of oil and gas wellsRHODIA OPERATIONS·Filed 2017·Granted Apr 20, 2021·0 cites·12 claims
- 3562US5798320AGelation additive for hydraulic fracturing fluidsBJ SERVICES CO·Filed 1997·Granted Aug 25, 1998·18 cites·17 claims
- 3661US8895480B2Method of fracturing using guar-based well treating fluidDAWSON JEFFREY C·Filed 2005·Granted Nov 25, 2014·7 cites·22 claims
- 3761US8833457B2Sulfates and phosphates as allosteric effectors in mannanohydrolase enzyme breakersARMSTRONG CHARLES DAVID·Filed 2011·Granted Sep 16, 2014·1 cites·26 claims
- 3858US12469150B2Systems and methods for optical flow estimationUNIV PORTLAND STATE·Filed 2021·Granted Nov 11, 2025·0 cites·16 claims
- 3957US10611955B2Organophosphorus containing composites for use in well treatment operationsBAKER HUGHES A GE CO LLC·Filed 2018·Granted Apr 7, 2020·0 cites·22 claims
- 4057US5950729AUsing gelation additive for hydraulic fracturing fluidsBJ SERVICES CO·Filed 1997·Granted Sep 14, 1999·12 cites·17 claims
- 4155US2018271816A1(S)-3-Amino-4-(difluoromethylenyl)cyclopent-1-ene-1-carboxylic acid, and Related Compounds as GABA Aminotransferase Inactivators for the Treatment of Epilepsy, Addiction and Hepatocellular CarcinomaUNIV NORTHWESTERN·Filed 2018·Application pending·0 cites
- 4252US12435032B2L-γ-methyleneglutamine compounds and methods of useUNIV MISSISSIPPI·Filed 2020·Granted Oct 7, 2025·0 cites·15 claims
- 4352US2025000875A1Allopregnanolone analogues for hiv viremia and neurotoxicity protectionUNIV MISSISSIPPI·Filed 2022·Application pending·0 cites
- 4450US5773638AGelation additive for hydraulic fracturing fluidsBJ SERVICES CO·Filed 1997·Granted Jun 30, 1998·8 cites·31 claims
- 4549US2010204069A1METHOD OF STIMULATING SUBTERRANEAN FORMATION USING LOW pH FLUIDLE HOANG VAN·Filed 2009·Application pending·0 cites
- 4648US12247160B2Method for controlling production of excessive water and aqueous fluids in oil and gas wellsENERGY SOLUTIONS US LLC·Filed 2019·Granted Mar 11, 2025·0 cites·13 claims
- 4743US2022127523A1Polymeric systems having enhanced viscosity and proppant transport propertiesRHODIA OPERATIONS·Filed 2021·Application pending·0 cites
- 4841US2011028354A1Method of Stimulating Subterranean Formation Using Low pH Fluid Containing a Glycinate SaltLE HOANG VAN·Filed 2010·Application pending·0 cites
- 4941US2020199443A1Polymeric systems for particle dispersionRHODIA OPERATIONS·Filed 2019·Application pending·0 cites
- 5037US2023355452A1Variable geometry therapeutic bed turning and centralising an immobile patient for the prevention of pressure wounds with associated methodLE HOANG VAN·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →