Inventor · disambiguated record
Esam Z. Hamad
Also filed as: HAMAD ESAM · HAMAD ESAM Z · HAMAD ESAM ZAKI
61 granted patents·17 pending applications·312 citations·filing 2007–2025
98Inventor score
Top patents by PatentIndex Score
78 records- 0199US10563555B2Rotary contactor for vehicle carbon dioxide captureSAUDI ARABIAN OIL CO·Filed 2017·Granted Feb 18, 2020·41 cites·23 claims
- 0299US9222480B2Integrated method of driving a CO2 compressor of a CO2-capture system using waste heat from an internal combustion engine on board a mobile sourceSAUDI ARABIAN OIL CO·Filed 2013·Granted Dec 29, 2015·44 cites·11 claims
- 0397US10408139B1Solvent-based adsorbent regeneration for onboard octane on-demand and cetane on-demandSAUDI ARABIAN OIL CO·Filed 2018·Granted Sep 10, 2019·11 cites·20 claims
- 0497US10378462B1Heat exchanger configuration for adsorption-based onboard octane on-demand and cetane on-demandSAUDI ARABIAN OIL CO·Filed 2018·Granted Aug 13, 2019·12 cites·20 claims
- 0596US10422288B1Adsorbent circulation for onboard octane on-demand and cetane on-demandSAUDI ARABIAN OIL CO·Filed 2018·Granted Sep 24, 2019·8 cites·20 claims
- 0696US9598993B2Integrated process for CO2 capture and use in thermal power production cycleSAUDI ARABIAN OIL CO·Filed 2015·Granted Mar 21, 2017·23 cites·13 claims
- 0795US9486733B2Liquid, slurry and flowable powder adsorption/absorption method utilizing waste heat for on-board recovery and storage of CO2 from motor vehicle internal combustion engine exhaust gasesSAUDI ARABIAN OIL CO·Filed 2015·Granted Nov 8, 2016·8 cites·5 claims
- 0894US9180401B2Liquid, slurry and flowable powder adsorption/absorption method and system utilizing waste heat for on-board recovery and storage of CO2 from motor vehicle internal combustion engine exhaust gasesHAMAD ESAM ZAKI·Filed 2012·Granted Nov 10, 2015·12 cites·19 claims
- 0994US9175591B2Process and system employing phase-changing absorbents and magnetically responsive sorbent particles for on-board recovery of carbon dioxide from mobile sourcesSAUDI ARABIAN OIL CO·Filed 2013·Granted Nov 3, 2015·18 cites·20 claims
- 1093US10436126B2Adsorption-based fuel systems for onboard cetane on-demand and octane on-demandSAUDI ARABIAN OIL CO·Filed 2018·Granted Oct 8, 2019·7 cites·20 claims
- 1193US10280877B2Apparatus and method for oxy-combustion of fuels in internal combustion enginesSAUDI ARABIAN OIL CO·Filed 2016·Granted May 7, 2019·8 cites·13 claims
- 1291US11187124B2Internal combustion engine systems including criteria pollutant mitigationSAUDI ARABIAN OIL CO·Filed 2020·Granted Nov 30, 2021·4 cites·19 claims
- 1390US10717044B1Multi-pollutant exhaust treatment using seawater for marine applicationsSAUDI ARABIAN OIL CO·Filed 2019·Granted Jul 21, 2020·5 cites·22 claims
- 1490US10508017B2Point-of-sale octane/cetane-on-demand systems for automotive enginesSAUDI ARABIAN OIL CO·Filed 2017·Granted Dec 17, 2019·7 cites·24 claims
- 1589US10124294B2On-board fuel adjustment by molecular separationSAUDI ARABIAN OIL CO·Filed 2016·Granted Nov 13, 2018·4 cites·23 claims
- 1688US9371755B2Membrane separation method and system utilizing waste heat for on-board recovery and storage of CO2 from motor vehicle internal combustion engine exhaust gasesHAMAD ESAM ZAKI·Filed 2012·Granted Jun 21, 2016·9 cites·16 claims
- 1788US9260671B2Process for the treatment of heavy oils using light hydrocarbon components as a diluentSHAFI RAHEEL·Filed 2009·Granted Feb 16, 2016·21 cites·12 claims
- 1887US9957903B2Adjusting a fuel on-board a vehicleSAUDI ARABIAN OIL CO·Filed 2016·Granted May 1, 2018·4 cites·30 claims
- 1985US8343336B2Desulfurization of whole crude oil by solvent extraction and hydrotreatingSAUDI ARABIAN OIL CO·Filed 2007·Granted Jan 1, 2013·16 cites·14 claims
- 2084US8491779B2Alternative process for treatment of heavy crudes in a coking refinerySHAFI RAHEEL·Filed 2010·Granted Jul 23, 2013·8 cites·14 claims
- 2182US12030013B2Process for capturing CO2 from a mobile source using exhaust heatSAUDI ARABIAN OIL CO·Filed 2021·Granted Jul 9, 2024·1 cites·29 claims
- 2281US11028805B2System and method for on-board catalytic upgrading of hydrocarbon fuelsSAUDI ARABIAN OIL CO·Filed 2019·Granted Jun 8, 2021·2 cites·19 claims
- 2381US10927799B2Separating a fuel on-board a vehicleSAUDI ARABIAN OIL CO·Filed 2017·Granted Feb 23, 2021·2 cites·16 claims
- 2481US10760507B2Solvent-based adsorbent regeneration for onboard octane on-demand and cetane on-demandSAUDI ARABIAN OIL CO·Filed 2019·Granted Sep 1, 2020·1 cites·14 claims
- 2581US9581062B2Reversible solid adsorption method and system utilizing waste heat for on-board recovery and storage of CO2 from motor vehicle internal combustion engine exhaust gasesHAMAD ESAM ZAKI·Filed 2012·Granted Feb 28, 2017·7 cites·20 claims
- 2681US8454832B2Supported ionic liquid membrane system and process for aromatic separation from hydrocarbon feedsHAMAD ESAM ZAKI·Filed 2010·Granted Jun 4, 2013·5 cites·14 claims
- 2779US10697412B2Onboard fuel separation for octane-on-demand using membrane distillationSAUDI ARABIAN OIL CO·Filed 2018·Granted Jun 30, 2020·2 cites·18 claims
- 2879US10598100B2Heat exchanger configuration for adsorption-based onboard octane on-demand and cetane on-demandSAUDI ARABIAN OIL CO·Filed 2019·Granted Mar 24, 2020·1 cites·17 claims
- 2977US9539541B2Mixed salt CO2 sorbent, process for making and uses thereofSAUDI ARABIAN OIL CO·Filed 2013·Granted Jan 10, 2017·3 cites·17 claims
- 3077US8372267B2Process for the sequential hydroconversion and hydrodesulfurization of whole crude oilSAUDI ARABIAN OIL CO·Filed 2009·Granted Feb 12, 2013·4 cites·27 claims
- 3176US12274976B2Process for capturing CO2 from a mobile source using exhaust heatSAUDI ARABIAN OIL CO·Filed 2024·Granted Apr 15, 2025·0 cites·7 claims
- 3275US9297285B2Direct densification method and system utilizing waste heat for on-board recovery and storage of CO2 from motor vehicle internal combustion engine exhaust gasesHAMAD ESAM ZAKI·Filed 2012·Granted Mar 29, 2016·1 cites·17 claims
- 3374US8002969B2Upgrading crude oil using electrochemically-generated hydrogenSAUDI ARABIAN OIL CO·Filed 2007·Granted Aug 23, 2011·5 cites·48 claims
- 3474US2025196055A1Process for capturing co2 from a mobile source using an amino acid solventSAUDI ARABIAN OIL CO·Filed 2025·Application pending·0 cites
- 3573US2025207525A1Active hydrocarbon trap for reduction of emissions from internal combustion engines using a two-valve configurationARAMCO SERVICES CO·Filed 2023·Application pending·0 cites
- 3671US10947461B2Selective liquid-liquid extraction of oxidative desulfurization reaction productsSAUDI ARABIAN OIL CO·Filed 2019·Granted Mar 16, 2021·0 cites·11 claims
- 3771US9827850B2Adjusting a fuel on-board a vehicleSAUDI ARABIAN OIL CO·Filed 2016·Granted Nov 28, 2017·1 cites·24 claims
- 3871US9816467B2Adjusting a fuel on-board a vehicleSAUDI ARABIAN OIL CO·Filed 2016·Granted Nov 14, 2017·1 cites·21 claims
- 3970US12228056B1Active hydrocarbon trap for reduction of emissions from internal combustion engines using an electrically-heated catalystARAMCO SERVICES CO·Filed 2023·Granted Feb 18, 2025·0 cites·17 claims
- 4069US11235281B2Multi-pollutant exhaust treatment using seawater for marine applicationsSAUDI ARABIAN OIL CO·Filed 2020·Granted Feb 1, 2022·0 cites·20 claims
- 4168US8632673B2Process for catalytic hydrotreating of sour crude oilsKRESSMANN STEPHANE CYRILLE·Filed 2008·Granted Jan 21, 2014·5 cites·15 claims
- 4266US11719200B2Separating a fuel on-board a vehicleSAUDI ARABIAN OIL CO·Filed 2021·Granted Aug 8, 2023·0 cites·14 claims
- 4366US9488100B2Apparatus and method for oxy-combustion of fuels in internal combustion enginesHAMAD ESAM ZAKI·Filed 2013·Granted Nov 8, 2016·1 cites·20 claims
- 4466US2023127859A1Process for capturing co2 from a mobile source using an amino acid solventSAUDI ARABIAN OIL CO·Filed 2021·Application pending·0 cites
- 4565US10926994B2Point-of-sale octane/cetane-on-demand systems for automotive enginesSAUDI ARABIAN OIL CO·Filed 2019·Granted Feb 23, 2021·0 cites·15 claims
- 4662US11339754B1Vehicle system with fuel separation system and method of using sameSAUDI ARABIAN OIL CO·Filed 2021·Granted May 24, 2022·0 cites·17 claims
- 4761US11866642B1Methods for regenerating solvents and sequestering carbon dioxideSAUDI ARABIAN OIL CO·Filed 2022·Granted Jan 9, 2024·0 cites·14 claims
- 4861US11293386B2Adjusting a fuel on-board a vehicleSAUDI ARABIAN OIL CO·Filed 2017·Granted Apr 5, 2022·0 cites·31 claims
- 4960US10801422B2Adsorbent circulation for onboard octane on-demand and cetane on-demandSAUDI ARABIAN OIL CO·Filed 2019·Granted Oct 13, 2020·0 cites·17 claims
- 5059US12485381B2Process for onboard carbon capture using CO2 stripping and heat recoverySAUDI ARABIAN OIL CO·Filed 2022·Granted Dec 2, 2025·0 cites·16 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →