Vanadium based flow battery stack
US-2026074256-A1 · Mar 12, 2026 · US
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Hammad Ahmad D patents
Hammad Ahmad D is listed as an inventor on 83 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hammad Ahmad D |
| Total patents | 83 |
| First publication | Feb 24, 2015 |
| Latest publication | Mar 12, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Hydrogen sulfide conversion
US-12529150-B2 · Jan 20, 2026 · US
Solid oxide electrolytic cells using zeolite-templated carbon (ztc) as electrocatalyst
US-2026015741-A1 · Jan 15, 2026 · US
Electrochemical conversion of carbon dioxide
US-2025347006-A1 · Nov 13, 2025 · US
Polymer electrolyte membrane (pem) electrolytic cells using zeolite-templated carbon (ztc) as electrocatalyst
US-2025263850-A1 · Aug 21, 2025 · US
Polymer electrolyte membrane (PEM) electrolytic cells using zeolite-templated carbon (ZTC) as electrocatalyst
US-12385147-B2 · Aug 12, 2025 · US
Manufacturing mixed Fe/V electrolytes for flow batteries
US-12388104-B2 · Aug 12, 2025 · US
Electrochemical conversion of carbon dioxide
US-12365996-B2 · Jul 22, 2025 · US
Polymer electrolyte membrane (PEM) fuel cells using zeolite-templated carbon (ZTC) as electrocatalyst
US-12100845-B2 · Sep 24, 2024 · US
Hydrogen sulfide conversion
US-2024229251-A9 · Jul 11, 2024 · US
Recent patents
Latest publications not already listed above.
Hydrogen sulfide conversion
US-2024229249-A9 · Jul 11, 2024 · US
Hydrogen sulfide conversion
US-2024229250-A9 · Jul 11, 2024 · US
Methods for producing syngas from H2S and CO2 in an electrochemical cell
US-12018392-B2 · Jun 25, 2024 · US
Tandem electrolysis cell
US-12000056-B2 · Jun 4, 2024 · US
Hydrogen sulfide conversion
US-2024133047-A1 · Apr 25, 2024 · US
Hydrogen sulfide conversion
US-2024133048-A1 · Apr 25, 2024 · US
Hydrogen sulfide conversion
US-2024133049-A1 · Apr 25, 2024 · US
Increasing reactant utilization in Fe/V flow batteries
US-11901598-B2 · Feb 13, 2024 · US
Manufacturing mixed fe/v electrolytes for flow batteries
US-2023261232-A1 · Aug 17, 2023 · US
Increasing reactant utilization in fe/v flow batteries
US-2023261233-A1 · Aug 17, 2023 · US
Solid oxide fuel cell using zeolite-templated carbon as electrocatalyst
US-11721826-B2 · Aug 8, 2023 · US
Methods for producing syngas from H2S and CO2 in an electrochemical cell
US-2023212761-A1 · Jul 6, 2023 · US
CO2 based and hydrogen based compounds for redox flow battery
US-11682785-B1 · Jun 20, 2023 · US
Solid oxide electrolytic cells using zeolite-templated carbon (ztc) as electrocatalyst
US-2023024629-A1 · Jan 26, 2023 · US
Solid oxide fuel cell using zeolite-templated carbon as electrocatalyst
US-2023025861-A1 · Jan 26, 2023 · US
Polymer electrolyte membrane (pem) electrolytic cells using zeolite-templated carbon (ztc) as electrocatalyst
US-2023023125-A1 · Jan 26, 2023 · US
Polymer electrolyte membrane (pem) fuel cells using zeolite-templated carbon (ztc) as electrocatalyst
US-2023026539-A1 · Jan 26, 2023 · US
Utilizing black powder for electrolytes for flow batteries
US-11495814-B2 · Nov 8, 2022 · US
Electrochemical conversion of carbon dioxide
US-2022282385-A1 · Sep 8, 2022 · US
Parking indicator comprising indicator retracting mechanism
US-11361662-B2 · Jun 14, 2022 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Saudi Arabian Oil Co | 83 |
| Saudi Arabian Oil Compay | 3 |
| Hammad Ahmad D | 2 |
| Hamad Esam Zaki | 1 |
| Panagiotou George | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.