DA

Dennis Arun Alexis

Chevron: 32 patents #89 of 4,788Top 2%
KO Kemira Oyj: 2 patents #98 of 376Top 30%
🗺 Virginia: #724 of 34,511 inventorsTop 3%
Overall (All Time): #126,950 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12378464 Methods for hydrocarbon recovery Do Hoon Kim, Varadarajan Dwarakanath, David Espinosa, Taimur Malik, Logan Jackson +5 more 2025-08-05
12371606 Methods for hydrocarbon recovery Do Hoon Kim, Varadarajan Dwarakanath, David Espinosa, Taimur Malik, Logan Jackson +5 more 2025-07-29
12352149 Compositions containing friction reducers and methods of using thereof in oil and gas operations Gojko Matovic, Nabijan Nizamidin, Michael Ogechukwuka Unomah, Do Hoon Kim, Varadarajan Dwarakanath +3 more 2025-07-08
12312534 Treating fluid comprising hydrocarbons, water, and polymer Sumitra Subrahmanyan, Gayani W. Pinnawala, Sophany Thach, Gregory A. Winslow, Harold C. Linnemeyer +3 more 2025-05-27
12275893 Methods for hydrocarbon recovery Do Hoon Kim, Varadarajan Dwarakanath, David Espinosa, Taimur Malik, Logan Jackson +5 more 2025-04-15
12247162 Methods for hydrocarbon recovery Do Hoon Kim, Varadarajan Dwarakanath, David Espinosa, Taimur Malik, Logan Jackson +5 more 2025-03-11
12215276 Ph control in fluid treatment Sujeewa S. Palayangoda, Kerry K. Spilker, Sumitra Subrahmanyan, Gayani W. Pinnawala, Sophany Thach +5 more 2025-02-04
11884879 Compositions for use in oil and gas operations Gayani Pinnawala Arachchilage, Varadarajan Dwarakanath, Do Hoon Kim, Taimur Malik, Gregory A. Winslow +1 more 2024-01-30
11834606 Treating fluid comprising hydrocarbons, water, and polymer Sumitra Subrahmanyan, Gayani W. Pinnawala, Sophany Thach, Gregory A. Winslow, Harold C. Linnemeyer +3 more 2023-12-05
11753580 Inverse emulsion compositions Logan Jackson, Thomas J. Lynch, Ronald Robinson, Frances Fournier, Hong Yang +2 more 2023-09-12
11739254 Methods for use in oil and gas operations Gayani Pinnawala Arachchilage, Varadarajan Dwarakanath, Do Hoon Kim, Taimur Malik, Gregory A. Winslow +1 more 2023-08-29
11591893 PH control in fluid treatment Sujeewa S. Palayangoda, Kerry K. Spilker, Sumitra Subrahmanyan, Gayani W. Pinnawala, Sophany Thach +5 more 2023-02-28
11299409 Polymer compositions and methods of use Logan Jackson, Thomas J. Lynch, Ronald Robinson, Frances Fournier, Hong Yang +5 more 2022-04-12
11261300 Methods and systems for generating aqueous polymer solutions Do Hoon Kim, Varadarajan Dwarakanath, David Espinosa, Taimur Malik, Peter G. New +2 more 2022-03-01
11248160 Compositions for use in oil and gas operations Gayani Pinnawala Arachchilage, Varadarajan Dwarakanath, Do Hoon Kim, Taimur Malik, Gregory A. Winslow +1 more 2022-02-15
11242739 Treating fluid comprising hydrocarbons, water, and polymer Sumitra Subrahmanyan, Gayani W. Pinnawala, Sophany Thach, Gregory A. Winslow, Harold C. Linnemeyer +3 more 2022-02-08
11084973 Methods for hydrocarbon recovery Do Hoon Kim, Varadarajan Dwarakanath, David Espinosa, Taimur Malik, Logan Jackson +5 more 2021-08-10
11008502 Methods for preparing an aqueous surfactant-polymer solution Gayani Pinnawala Arachchilage, Varadarajan Dwarakanath, Do Hoon Kim, Taimur Malik, Gregory A. Winslow +1 more 2021-05-18
10865279 Methods and systems for generating aqueous polymer solutions Do Hoon Kim, Varadarajan Dwarakanath, David Espinosa, Taimur Malik, Peter G. New +2 more 2020-12-15
10822539 Methods for hydrocarbon recovery Do Hoon Kim, Varadarajan Dwarakanath, David Espinosa, Taimur Malik, Logan Jackson +5 more 2020-11-03
10626320 Methods for hydrocarbon recovery Do Hoon Kim, Varadarajan Dwarakanath, David Espinosa, Taimur Malik, Logan Jackson +5 more 2020-04-21
10619087 Methods for hydrocarbon recovery Do Hoon Kim, Varadarajan Dwarakanath, David Espinosa, Taimur Malik, Logan Jackson +5 more 2020-04-14
10436693 Portable apparatus and methods for analyzing injection fluids Varadarajan Dwarakanath, Dustin L. Walker, David Espinosa, Harold C. Linnemeyer, Marlon Solano 2019-10-08
10344129 Methods and systems for generating aqueous polymer solutions Do Hoon Kim, Varadarajan Dwarakanath, David Espinosa, Taimur Malik, Peter G. New +2 more 2019-07-09
10168265 Portable apparatus and methods for analyzing injection fluids Varadarajan Dwarakanath, Dustin L. Walker, David Espinosa, Harold C. Linnemeyer, Marlon Solano 2019-01-01