Process and system for upgrading low-quality oils
US-2020283688-A1 · Sep 10, 2020 · US
plural parallel stages only
plural parallel 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 | C10G65/14 |
| Official title | plural parallel stages only |
| Display label | plural parallel stages only |
| Total patents | 114 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 11 |
| 2017 | 13 |
| 2018 | 6 |
| 2019 | 13 |
| 2020 | 10 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 3 |
| 2024 | 13 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combined Hydrogenation Process Method for Producing High-Quality Fuel by Medium-Low-Temperature Coal Tar
US-2019345399-A1 · Nov 14, 2019 · US
System and method for production of chemical feedstock from crude oil
US-2019337869-A1 · Nov 7, 2019 · US
Processes for selective naphtha reforming
US-10465129-B2 · Nov 5, 2019 · US
Process for the refining of crude oil
US-10407628-B2 · Sep 10, 2019 · US
Apparatus and method for producing diesel fuel and jet fuel using Fischer-Tropsch synthetic oil
US-10370602-B2 · Aug 6, 2019 · US
Process to upgrade partially converted vacuum residua
US-10370603-B2 · Aug 6, 2019 · US
Process to upgrade partially converted vacuum residua
US-10344225-B2 · Jul 9, 2019 · US
Wax Oil Hydrocracking Method and System
US-2019201882-A1 · Jul 4, 2019 · US
Process for the refining of crude oil
US-10316258-B2 · Jun 11, 2019 · US
Modular crude refining process
US-10301551-B2 · May 28, 2019 · US
Process and apparatus for hydroprocessing a hydrocarbon stream
US-2019100704-A1 · Apr 4, 2019 · US
Residue hydrocracking
US-10221366-B2 · Mar 5, 2019 · US
Processes for selective naphtha reforming
US-2019062652-A1 · Feb 28, 2019 · US
Installation and integrated hydrotreatment and hydroconversion process with common fractionation section
US-2018171246-A1 · Jun 21, 2018 · US
Process for improving gasoline quality from cracked naphtha
US-2018171244-A1 · Jun 21, 2018 · US
Hydroconversion process to upgrade the transport properties of heavy and extra-heavy crude oils at low severity conditions using dispersed-phase catalyst
US-9994779-B2 · Jun 12, 2018 · US
Process of hydroconversion-distillation of heavy and/or extra-heavy crude oils
US-9920264-B2 · Mar 20, 2018 · US
Selective series-flow hydroprocessing system
US-9920265-B2 · Mar 20, 2018 · US
Modular crude refining process
US-2018002611-A1 · Jan 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10G65/14?
- CPC C10G65/14 is the Cooperative Patent Classification code for “plural parallel stages only.”
- How many patents are filed under CPC C10G65/14 (plural parallel stages only)?
- Our database includes 114 publications tagged with this CPC code.
- Is patent activity under CPC C10G65/14 growing?
- Publication counts under this code: 13 in 2024 vs 7 in 2025 (latest complete years).