Inventor
HAMMAD AHMAD D
SA37 patents
⚠️ This page may combine multiple inventors who share the name “HAMMAD AHMAD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAUDI ARABIAN OIL CO
34 patentsUS9592488B2Mar 14, 2017
Process for preparing lipid coated particles of plant material
SAUDI ARABIAN OIL CO45 citations93
US10688686B2Jun 23, 2020
Simultaneous cement enhancement and carbon dioxide utilization by mounting a carbon dioxide capture system onboard a concrete mixer vehicle
SAUDI ARABIAN OIL CO40 citations92
US9973141B2May 15, 2018
Solar system comprising self sustainable condensation, water collection, and cleaning subassemblies
SAUDI ARABIAN OIL CO16 citations83
US8961780B1Feb 24, 2015
Methods for recovering organic heteroatom compounds from hydrocarbon feedstocks
SAUDI ARABIAN OIL CO9 citations81
US10252243B2Apr 9, 2019
Activation of waste metal oxide as an oxygen carrier for chemical looping combustion applications
SAUDI ARABIAN OIL CO12 citations80
US9861910B2Jan 9, 2018
Cyclone separation and recovery of carbon dioxide from heated liquid absorbent
SAUDI ARABIAN OIL CO11 citations78
US9238598B2Jan 19, 2016
Carbon dioxide conversion to hydrocarbon fuel via syngas production cell harnessed from solar radiation
SAUDI ARABIAN OIL CO11 citations78
US12018392B2Jun 25, 2024
Methods for producing syngas from H2S and CO2 in an electrochemical cell
SAUDI ARABIAN OIL CO2 citations72
US10808186B2Oct 20, 2020
Systems and methods for separation and extraction of heterocyclic compounds and polynuclear aromatic hydrocarbons from a hydrocarbon feedstock
SAUDI ARABIAN OIL CO2 citations72
US11901598B2Feb 13, 2024
Increasing reactant utilization in Fe/V flow batteries
SAUDI ARABIAN OIL CO2 citations71
US11001549B1May 11, 2021
Electrochemical reduction of carbon dioxide to upgrade hydrocarbon feedstocks
SAUDI ARABIAN OIL CO2 citations71
US10913179B2Feb 9, 2021
Simultaneous cement enhancement and carbon dioxide utilization by mounting a carbon dioxide capture system onboard a concrete mixer vehicle
SAUDI ARABIAN OIL CO2 citations71
US12000056B2Jun 4, 2024
Tandem electrolysis cell
SAUDI ARABIAN OIL CO1 citations62
US11495814B2Nov 8, 2022
Utilizing black powder for electrolytes for flow batteries
SAUDI ARABIAN OIL CO0 citations62
US12385147B2Aug 12, 2025
Polymer electrolyte membrane (PEM) electrolytic cells using zeolite-templated carbon (ZTC) as electrocatalyst
SAUDI ARABIAN OIL CO0 citations61
US12388104B2Aug 12, 2025
Manufacturing mixed Fe/V electrolytes for flow batteries
SAUDI ARABIAN OIL CO0 citations61
US11721826B2Aug 8, 2023
Solid oxide fuel cell using zeolite-templated carbon as electrocatalyst
SAUDI ARABIAN OIL CO0 citations61
US11682785B1Jun 20, 2023
CO2 based and hydrogen based compounds for redox flow battery
SAUDI ARABIAN OIL CO1 citations61
US11339109B2May 24, 2022
Electrochemical reduction of carbon dioxide to upgrade hydrocarbon feedstocks
SAUDI ARABIAN OIL CO0 citations61
US11352302B2Jun 7, 2022
Methods of holistically diffusing carbon dioxide within a concrete mixture
SAUDI ARABIAN OIL CO0 citations59
US11303244B2Apr 12, 2022
Utilization of solar systems to harvest atmospheric moisture for various applications including panel cleaning
SAUDI ARABIAN OIL CO1 citations53
US12365996B2Jul 22, 2025
Electrochemical conversion of carbon dioxide
SAUDI ARABIAN OIL CO0 citations51
US12100845B2Sep 24, 2024
Polymer electrolyte membrane (PEM) fuel cells using zeolite-templated carbon (ZTC) as electrocatalyst
SAUDI ARABIAN OIL CO0 citations51
US11260353B2Mar 1, 2022
Systems and methods for treating viscous media
SAUDI ARABIAN OIL CO0 citations50
US9394489B2Jul 19, 2016
Methods for recovering organic heteroatom compounds from hydrocarbon feedstocks
SAUDI ARABIAN OIL CO0 citations49
US12529150B2Jan 20, 2026
Hydrogen sulfide conversion
SAUDI ARABIAN OIL CO0 citations47
US11361662B2Jun 14, 2022
Parking indicator comprising indicator retracting mechanism
SAUDI ARABIAN OIL CO0 citations47
US11183700B2Nov 23, 2021
Ion exchange membrane for a redox flow battery
SAUDI ARABIAN OIL CO0 citations47
US11081712B2Aug 3, 2021
Method and system to modify the performance of a redox flow battery
SAUDI ARABIAN OIL CO0 citations46
US10483567B2Nov 19, 2019
Mechanical energy storage in flow batteries to enhance energy storage
SAUDI ARABIAN OIL CO0 citations40
US10153497B2Dec 11, 2018
Modular electrochemical cell and stack design
SAUDI ARABIAN OIL CO0 citations40
US10069161B2Sep 4, 2018
In-situ gravitational separation of electrolyte solutions in flow redox battery systems
SAUDI ARABIAN OIL CO0 citations40
US10056635B2Aug 21, 2018
Enhanced electrochemical oxidation of carbonaceous deposits in liquid-hydrocarbon fueled solid oxide fuel cells
SAUDI ARABIAN OIL CO0 citations40
US10103416B2Oct 16, 2018
System and method for power generation with a closed-loop photocatalytic solar device
SAUDI ARABIAN OIL CO0 citations37