On-board fuel adjustment by molecular separation
US-2017368504-A1 · Dec 28, 2017 · US
Membrane- or permeation-treatment for separating fractions, components or impurities during preparation or upgrading of a fuel
Membrane- or permeation-treatment 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 | C10L2290/548 |
| Official title | Membrane- or permeation-treatment for separating fractions, components or impurities during preparation or upgrading of a fuel |
| Display label | Membrane- or permeation-treatment for separating fractions, components or impurities during preparation or upgrading of a fuel |
| Total patents | 381 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 23 |
| 2017 | 28 |
| 2018 | 51 |
| 2019 | 47 |
| 2020 | 46 |
| 2021 | 34 |
| 2022 | 39 |
| 2023 | 36 |
| 2024 | 25 |
| 2025 | 27 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas separation asymmetric membrane, gas separation module, gas separation device, and gas separation method
US-2017333836-A1 · Nov 23, 2017 · US
Method for removing hydrogen sulfide from an acid gas
US-2017335213-A1 · Nov 23, 2017 · US
Gas separation membrane, gas separation module, gas separation apparatus, gas separation method, and method for producing asymmetric gas separation membrane
US-2017333835-A1 · Nov 23, 2017 · US
Co2 separation device in gas and its membrane separation method and method for controlling membrane separation of co2 separation device in gas
US-2017320009-A1 · Nov 9, 2017 · US
Hydrocarbon separation system
US-9782717-B2 · Oct 10, 2017 · US
Composite hollow fiber membranes useful for CO2 removal from natural gas
US-9718031-B2 · Aug 1, 2017 · US
Multistage Membrane Separation and Purification Process and Apparatus for Separating High Purity Methane Gas
US-2017198227-A1 · Jul 13, 2017 · US
Sour gas feed separations and helium recovery from natural gas using block co-polyimide membranes
US-2017189850-A1 · Jul 6, 2017 · US
Flow management and co2-recovery apparatus and method of use
US-2017173520-A1 · Jun 22, 2017 · US
Process for separation and purification of renewable propane
US-9682903-B2 · Jun 20, 2017 · US
Method and system for purification of natural gas using membranes
US-2017157557-A1 · Jun 8, 2017 · US
Processes for cooling a wet natural gas stream
US-9662609-B2 · May 30, 2017 · US
Membrane filter element with multiple fiber types
US-9630141-B2 · Apr 25, 2017 · US
Process for separation and purification of renewable propane
US-2017081262-A1 · Mar 23, 2017 · US
Divalent Ion Removal From Monoethylene Glycol (MEG) Feed Streams
US-2017015612-A1 · Jan 19, 2017 · US
Method for inerting activated carbon in biogas purification equipment
US-2016346723-A1 · Dec 1, 2016 · US
Processes for cooling a wet natural gas stream
US-2016303506-A1 · Oct 20, 2016 · US
Divalent ion removal from monoethylene glycol (MEG) feed streams
US-9469585-B2 · Oct 18, 2016 · US
Method for producing biomethane incorporating the production of heat for the methaniser using membrane separation
US-2016289580-A1 · Oct 6, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10L2290/548?
- CPC C10L2290/548 is the Cooperative Patent Classification code for “Membrane- or permeation-treatment for separating fractions, components or impurities during preparation or upgrading of a fuel.”
- How many patents are filed under CPC C10L2290/548 (Membrane- or permeation-treatment for separating fractions, components or impurities during preparation or upgrading of a fuel)?
- Our database includes 381 publications tagged with this CPC code.
- Is patent activity under CPC C10L2290/548 growing?
- Publication counts under this code: 25 in 2024 vs 27 in 2025 (latest complete years).