Method to remove sulfur and metals from petroleum
US-10106748-B2 · Oct 23, 2018 · US
plural serial stages only
plural serial stages only · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10G53/02 |
| Official title | plural serial stages only |
| Display label | plural serial stages only |
| Total patents | 223 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 14 |
| 2017 | 14 |
| 2018 | 26 |
| 2019 | 23 |
| 2020 | 23 |
| 2021 | 25 |
| 2022 | 24 |
| 2023 | 21 |
| 2024 | 15 |
| 2025 | 17 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for reducing thiophene in diesel fuel
US-10093867-B2 · Oct 9, 2018 · US
Ionic liquid catalyst treating system
US-2018272327-A1 · Sep 27, 2018 · US
Light oil reflux heavies removal process
US-2018273858-A1 · Sep 27, 2018 · US
Method for forming a reduced thiophene/dibenzothiophene diesel fuel
US-2018273854-A1 · Sep 27, 2018 · US
Integrated hydrothermal process to upgrade heavy oil
US-2018258353-A1 · Sep 13, 2018 · US
Topside Oil Production Equipment System For Reduction In Space And Weight
US-2018208859-A1 · Jul 26, 2018 · US
Integrated gas oil separation plant for crude oil and natural gas processing
US-10023811-B2 · Jul 17, 2018 · US
Method for removing organic acids in crude oil using gas hydrate inhibitor and catalyst
US-2018195009-A1 · Jul 12, 2018 · US
Process for improved vacuum separations with high vaporization
US-9914881-B2 · Mar 13, 2018 · US
Process to upgrade and desulfurize crude oil by supercritical water
US-9914885-B2 · Mar 13, 2018 · US
Method and Device for Enhanced Oil-Water Separation and Desalination in Cold Low-Pressure Separator
US-2018023009-A1 · Jan 25, 2018 · US
Method for removing thiophene from diesel fuel with a graphene oxide adsorbent
US-2018010055-A1 · Jan 11, 2018 · US
Method for desulfurizing diesel fuel
US-9862895-B2 · Jan 9, 2018 · US
Process to upgrade partially converted vacuum residua
US-2017335206-A1 · Nov 23, 2017 · US
Method for reducing thiophene in diesel fuel
US-2017321129-A1 · Nov 9, 2017 · US
Method for desulfurizing diesel fuel
US-2017233663-A1 · Aug 17, 2017 · US
Process for fractionating hydrocarbon feeds using a device comprising switchable bottom zones
US-2017210998-A1 · Jul 27, 2017 · US
Separation method and separation apparatus
US-2017190640-A1 · Jul 6, 2017 · US
Process to upgrade partially converted vacuum residua
US-9695369-B2 · Jul 4, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10G53/02?
- CPC C10G53/02 is the Cooperative Patent Classification code for “plural serial stages only.”
- How many patents are filed under CPC C10G53/02 (plural serial stages only)?
- Our database includes 223 publications tagged with this CPC code.
- Is patent activity under CPC C10G53/02 growing?
- Publication counts under this code: 15 in 2024 vs 17 in 2025 (latest complete years).