Fuel fractioning unit for inert gas generating system
US-2018272283-A1 · Sep 27, 2018 · US
Extraction for separating fractions, components or impurities during preparation or upgrading of a fuel
Extraction for separating fractions, components or impurities during preparation or upgrading of a fuel · 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 | C10L2290/544 |
| Official title | Extraction for separating fractions, components or impurities during preparation or upgrading of a fuel |
| Display label | Extraction for separating fractions, components or impurities during preparation or upgrading of a fuel |
| Total patents | 199 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 22 |
| 2017 | 17 |
| 2018 | 16 |
| 2019 | 28 |
| 2020 | 31 |
| 2021 | 21 |
| 2022 | 23 |
| 2023 | 13 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for liquefying a cellulosic material and its products
US-10066168-B2 · Sep 4, 2018 · US
Apparatuses and methods for energy efficient separations including refining of fuel products
US-2018134970-A1 · May 17, 2018 · US
Apparatuses and methods for energy efficient separations including refining of fuel products
US-9868911-B2 · Jan 16, 2018 · US
Fuel synthesis from an aqueous solution
US-2017342004-A1 · Nov 30, 2017 · US
Method for producing solid fuel and apparatus for producing solid fuel
US-2017335215-A1 · Nov 23, 2017 · US
Methods of producing solid fuel using low ash, low sulfur coal replacement from fast pyrolysis of biomass
US-2017321140-A1 · Nov 9, 2017 · US
Integrated multi-stage solvent deasphalting and delayed coking process to produce high quality coke
US-2017306239-A1 · Oct 26, 2017 · US
Method for manufacturing ashless coal
US-2017275547-A1 · Sep 28, 2017 · US
Ashless coal production method
US-9752088-B2 · Sep 5, 2017 · US
System and method for separating lipid based products from biomass
US-9718757-B2 · Aug 1, 2017 · US
Method and unit for separating the light and heavy components of natural gas
US-2017211878-A1 · Jul 27, 2017 · US
Method for producing ashless coal
US-9714394-B2 · Jul 25, 2017 · US
Process for converting fats, oils and greases into fuels
US-9701911-B2 · Jul 11, 2017 · US
Method for recovering lipids from microbial biomass
US-2017137742-A1 · May 18, 2017 · US
Integrated process for the treatment of oil feeds for the production of fuel oils with a low sulphur and sediment content
US-9650580-B2 · May 16, 2017 · US
Process for producing dry synthetic natural gas (SNG)
US-9611440-B2 · Apr 4, 2017 · US
Method for producing bio-heavy oil from sewage sludge and bio-heavy oil produced by the method
US-2017073585-A1 · Mar 16, 2017 · US
Processes for producing hydrocarbon products
US-2017037320-A1 · Feb 9, 2017 · US
Processes for producing lipids
US-2017029731-A1 · Feb 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10L2290/544?
- CPC C10L2290/544 is the Cooperative Patent Classification code for “Extraction for separating fractions, components or impurities during preparation or upgrading of a fuel.”
- How many patents are filed under CPC C10L2290/544 (Extraction for separating fractions, components or impurities during preparation or upgrading of a fuel)?
- Our database includes 199 publications tagged with this CPC code.
- Is patent activity under CPC C10L2290/544 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).