Complete conversion of sulfur dioxide to sulfuric acid by aqueous acid absorption
US-2026077296-A1 · Mar 19, 2026 · US
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Hamad Feras patents
Hamad Feras is listed as an inventor on 34 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Hamad Feras |
| Total patents | 34 |
| First publication | Jul 6, 2017 |
| Latest publication | Mar 19, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Simultaneous carbon dioxide and hydrogen recovery from the tail gas stream of a sulfur recovery unit
US-2026048362-A1 · Feb 19, 2026 · US
Method and system for treating sulfur dioxide containing stream by catalytic oxidation and acid aqueous absorption
US-2026042058-A1 · Feb 12, 2026 · US
Radon level management of natural gas from unconventional and conventional resources
US-12492350-B2 · Dec 9, 2025 · US
Process for controlling co2 over h2s ratio in oil and gas processing installations
US-2025115817-A1 · Apr 10, 2025 · US
Radon level management of natural gas from unconventional and conventional resources
US-2025101328-A1 · Mar 27, 2025 · US
Improving sulfur recovery operations with processes based on novel CO2 over SO2 selective membranes and its combinations with SO2 over CO2 selective membranes
US-12017180-B2 · Jun 25, 2024 · US
Reservoir management by controlling acid gas build-up in reservoir by partial CO2 removal processes
US-11851625-B2 · Dec 26, 2023 · US
Reducing sulfur emissions of sulfur recovery plant by a sorption based SO2 selective crosslinked polyionic liquid system
US-11759766-B1 · Sep 19, 2023 · US
Enhanced tail gas treatment of sulfur recovery unit with steam swept membranes
US-11638898-B1 · May 2, 2023 · US
Recent patents
Latest publications not already listed above.
Hollow fiber membrane module and method of making and using same
US-11596899-B1 · Mar 7, 2023 · US
Improving sulfur recovery operations with processes based on novel co2 over so2 selective membranes and its combinations with so2 over co2 selective membranes
US-2023001349-A1 · Jan 5, 2023 · US
Reservoir management by controlling acid gas build-up in reservoir by partial co2 removal processes
US-2022380693-A1 · Dec 1, 2022 · US
Process of improved sulfur capture from a syngas mixture
US-11420155-B2 · Aug 23, 2022 · US
Hydrogen sulfide-carbon dioxide membrane separation systems and processes
US-11420153-B2 · Aug 23, 2022 · US
Membrane process for H2 recovery from sulfur recovery tail gas stream of sulfur recovery units and process for environmentally greener sales gas
US-11383200-B2 · Jul 12, 2022 · US
Recovery of noncondensable gas components from a gaseous mixture
US-2022205717-A1 · Jun 30, 2022 · US
Sulfur recovery operation with improved carbon dioxide recovery
US-11325065-B2 · May 10, 2022 · US
Helium recovery from gaseous streams
US-11325066-B2 · May 10, 2022 · US
Membrane process for h2 recovery from sulfur recovery tail gas stream of sulfur recovery units and process for environmentally greener sales gas
US-2022062818-A1 · Mar 3, 2022 · US
Helium recovery from gaseous streams
US-2021031139-A1 · Feb 4, 2021 · US
Sulfur recovery operation with improved carbon dioxide recovery
US-2020360854-A1 · Nov 19, 2020 · US
Hydrogen sulfide-carbon dioxide membrane separation systems and processes
US-2020360853-A1 · Nov 19, 2020 · US
Process of improved sulfur capture from a syngas mixture
US-2020360855-A1 · Nov 19, 2020 · US
Helium recovery from gaseous streams
US-10765995-B2 · Sep 8, 2020 · US
Enhancement of claus tail gas treatment by sulfur dioxide-selective membrane technology and sulfur dioxide-selective absorption technology
US-10479684-B2 · Nov 19, 2019 · US
Enhancement of claus tail gas treatment by sulfur dioxide-selective membrane technology and sulfur dioxide-selective absorption technology
US-2019016598-A1 · Jan 17, 2019 · US
Treating raw natural gas
US-2018363978-A1 · Dec 20, 2018 · US
Helium recovery from gaseous streams
US-2018353898-A1 · Dec 13, 2018 · US
Enhancement of claus tail gas treatment by sulfur dioxide-selective membrane technology and sulfur dioxide-selective absorption technology
US-10106411-B2 · Oct 23, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Saudi Arabian Oil Co | 34 |
| Membrane Tech And Research Inc | 10 |
| Saudi Arabian Oil Compnay | 1 |
| SAUDI ARABIAN OIL COMPANY and | 1 |
| Membrane Tech And Research | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B01D53/229 | 23 |
| B01D2257/304 | 23 |
| Y02C20/40 | 23 |
| B01D53/228 | 19 |
| B01D2257/504 | 19 |