Inventor · disambiguated record
Liangwei Qu
Also filed as: QU LIANGWEI
19 granted patents·2 pending applications·16 citations·filing 2013–2020
90Inventor score
Top patents by PatentIndex Score
21 records- 0184US10106721B2Cationic surfactants for scale inhibitor squeeze applicationsMULTI CHEM GROUP LLC·Filed 2014·Granted Oct 23, 2018·6 cites·20 claims
- 0284US9919348B2Compositions, systems, and methods for removing iron sulfide scale from oilfield componentsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Mar 20, 2018·3 cites·11 claims
- 0383US9637679B2Multiple hydrophilic head corrosion inhibitorsMULTI CHEM GROUP LLC·Filed 2014·Granted May 2, 2017·4 cites·12 claims
- 0474US10059871B2Multi-tail hydrate inhibitorsMULTI CHEM GROUP LLC·Filed 2017·Granted Aug 28, 2018·1 cites·11 claims
- 0568US11078403B2Synergistic sulfide scavenging additives for use in oilfield operationsMULTI CHEM GROUP LLC·Filed 2019·Granted Aug 3, 2021·0 cites·20 claims
- 0668US10590333B2Cationic multiple quaternary ammonium-based surfactants for enhancing production in subterranean formationsMULTI CHEM GROUP LLC·Filed 2014·Granted Mar 17, 2020·1 cites·9 claims
- 0768US9676991B2Multi-tail hydrate inhibitorsMULTI CHEM GROUP LLC·Filed 2014·Granted Jun 13, 2017·1 cites·3 claims
- 0865US11225604B2Acrylate-based sulfur scavenging agents for use in oilfield operationsMULTI CHEM GROUP LLC·Filed 2020·Granted Jan 18, 2022·0 cites·16 claims
- 0965US10668510B2Compositions, systems, and methods for removing iron sulfide scale from oilfield componentsHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted Jun 2, 2020·0 cites·10 claims
- 1065US10550309B2Synergistic sulfide scavenging additives for use in oilfield operationsHALLIBURTON ENERGY SERVICES INC·Filed 2014·Granted Feb 4, 2020·0 cites·7 claims
- 1165US10364385B2Multi-tail hydrate inhibitorsMULTI CHEM GROUP LLC·Filed 2018·Granted Jul 30, 2019·0 cites·15 claims
- 1260US10246628B2Multiple hydrophilic head corrosion inhibitorsMULTI CHEM GROUP LLC·Filed 2017·Granted Apr 2, 2019·0 cites·9 claims
- 1359US10597582B2Acrylate-based sulfur scavenging agents for use in oilfield operationsMULTI CHEM GROUP LLC·Filed 2014·Granted Mar 24, 2020·0 cites·7 claims
- 1459US9902893B2Multiple hydrophilic head hydrate inhibitorsMULTI CHEM GROUP LLC·Filed 2017·Granted Feb 27, 2018·0 cites·17 claims
- 1556US9896616B2Acrylonitrile-based sulfur scavenging agents and methods of use in oilfield operationsMULTI CHEM GROUP LLC·Filed 2014·Granted Feb 20, 2018·0 cites·20 claims
- 1655US9796906B2Multiple hydrophilic head hydrate inhibitorsMULTI CHEM GROUP LLC·Filed 2014·Granted Oct 24, 2017·0 cites·12 claims
- 1750US10584275B2Compositions, systems, and methods for removing iron sulfide scale from oilfield components using methyl acrylateHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Mar 10, 2020·0 cites·18 claims
- 1848US2023064911A1Substituted Carboxamide Corrosion Inhibitor CompoundsHALLIBURTON ENERGY SERVICES INC·Filed 2020·Application pending·0 cites
- 1945US10526873B2Tagged corrosion inhibitors for use in subterranean operationsMULTI CHEM GROUP LLC·Filed 2014·Granted Jan 7, 2020·0 cites·20 claims
- 2044US9587155B2Emulsion breakers including polyester functionalitiesECOLAB USA INC·Filed 2013·Granted Mar 7, 2017·0 cites·19 claims
- 2143US2016168952A1Tagged paraffin inhibitors and asphaltene inhibitors for use in subterranean operationsMULTI CHEM GROUP LLC·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →