Inventor · disambiguated record
David Espinosa
Also filed as: ESPINOSA DAVID · ESPINOSA DAVID R
17 granted patents·2 pending applications·52 citations·filing 2004–2024
91Inventor score
Top patents by PatentIndex Score
19 records- 0195US10626320B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2016·Granted Apr 21, 2020·7 cites·25 claims
- 0291US11084973B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2020·Granted Aug 10, 2021·2 cites·34 claims
- 0391US10168265B2Portable apparatus and methods for analyzing injection fluidsCHEVRON USA INC·Filed 2018·Granted Jan 1, 2019·5 cites·20 claims
- 0490US10436693B2Portable apparatus and methods for analyzing injection fluidsCHEVRON USA INC·Filed 2017·Granted Oct 8, 2019·5 cites·26 claims
- 0587US10619087B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2016·Granted Apr 14, 2020·3 cites·27 claims
- 0685US2024174914A1Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2023·Application pending·0 cites
- 0783US12378464B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2024·Granted Aug 5, 2025·0 cites·26 claims
- 0883US12371606B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2024·Granted Jul 29, 2025·0 cites·26 claims
- 0983US12275893B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2024·Granted Apr 15, 2025·0 cites·24 claims
- 1083US12247162B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2024·Granted Mar 11, 2025·0 cites·27 claims
- 1178US11261300B2Methods and systems for generating aqueous polymer solutionsCHEVRON USA INC·Filed 2020·Granted Mar 1, 2022·1 cites·19 claims
- 1278US7730455B2Method and apparatus for enforcing safety properties of computer programs by generating and solving constraintsNTT DOCOMO INC·Filed 2005·Granted Jun 1, 2010·9 cites·27 claims
- 1374US7574695B2Performing checks on the resource usage of computer programsNTT DOCOMO INC·Filed 2004·Granted Aug 11, 2009·20 cites·29 claims
- 1471US10344129B2Methods and systems for generating aqueous polymer solutionsCHEVRON USA INC·Filed 2017·Granted Jul 9, 2019·0 cites·21 claims
- 1571US2022033706A1Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2021·Application pending·0 cites
- 1662US10822539B2Methods for hydrocarbon recoveryCHEVRON USA INC·Filed 2019·Granted Nov 3, 2020·0 cites·20 claims
- 1760US10865279B2Methods and systems for generating aqueous polymer solutionsCHEVRON USA INC·Filed 2019·Granted Dec 15, 2020·0 cites·18 claims
- 1852US11299409B2Polymer compositions and methods of useKEMIRA OYJ·Filed 2016·Granted Apr 12, 2022·0 cites·15 claims
- 1951US11585741B2Portable apparatus and methods for analyzing injection fluidsCHEVRON USA INC·Filed 2019·Granted Feb 21, 2023·0 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →