Monolayer, composite, gas separation material, filter, gas separation device and method for manufacturing composite
US-12128366-B2 · Oct 29, 2024 · US
Nitrogen
Nitrogen · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D2256/10 |
| Official title | Nitrogen |
| Display label | Nitrogen |
| Total patents | 701 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 43 |
| 2016 | 48 |
| 2017 | 51 |
| 2018 | 59 |
| 2019 | 72 |
| 2020 | 84 |
| 2021 | 83 |
| 2022 | 63 |
| 2023 | 70 |
| 2024 | 65 |
| 2025 | 49 |
| 2026 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Membranes for gas separation
US-12023633-B2 · Jul 2, 2024 · US
Method for purification of electronic gases and a purification device for the method
US-2024082780-A1 · Mar 14, 2024 · US
System and method of co2 thermal swing adsorption with wet regeneration and hot drying
US-2024058740-A1 · Feb 22, 2024 · US
Rate/kinetic selective multiple bed adsorption process cycle
US-11883775-B2 · Jan 30, 2024 · US
Oxygen-enriched combustion for natural gas combined cycle operation
US-2024017204-A1 · Jan 18, 2024 · US
Temperature controlled nitrogen generation system
US-2016361684-A1 · Dec 15, 2016 · US
Metal-organic materials (MOMS) for CO2 adsorption and methods of using MOMS
US-9492778-B1 · Nov 15, 2016 · US
High selectivity epoxysilicone-cross-linked polyimide membranes for gas separations
US-9480954-B2 · Nov 1, 2016 · US
High selectivity epoxysilicone-cross-linked polyimide membranes for gas separations
US-2016271571-A1 · Sep 22, 2016 · US
Imidazolium-based room-temperature ionic liquids, polymers, monomers and membranes incorporating same
US-9446348-B2 · Sep 20, 2016 · US
Compatibilized immiscible polymer blends and molecular sieve membranes thereof
US-2016263534-A1 · Sep 15, 2016 · US
Air-separation device, inerting device and aircraft comprising such a device
US-2016243496-A1 · Aug 25, 2016 · US
Porous polymer network materials
US-9409116-B2 · Aug 9, 2016 · US
Gas separation membrane and gas separation membrane module
US-2016220966-A1 · Aug 4, 2016 · US
Method for producing nitrogen gas, method for separating gas and device for producing nitrogen gas
US-9359203-B2 · Jun 7, 2016 · US
Separation and Storage of Fluids Using ITQ-55
US-2016008753-A1 · Jan 14, 2016 · US
Selective recovery of c2+ hydrocarbons from natural gas for steam cracker feed in an integrated refinery and steam cracker complex using pressure swing adsorption
US-2015376525-A1 · Dec 31, 2015 · US
Synthesis of ultra-small pore aluminosilicates by controlled structural collapse of zeolites
US-2015367320-A1 · Dec 24, 2015 · US
Gas separation device and gas separation method
US-9216374-B2 · Dec 22, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2256/10?
- CPC B01D2256/10 is the Cooperative Patent Classification code for “Nitrogen.”
- How many patents are filed under CPC B01D2256/10 (Nitrogen)?
- Our database includes 701 publications tagged with this CPC code.
- Is patent activity under CPC B01D2256/10 growing?
- Publication counts under this code: 65 in 2024 vs 49 in 2025 (latest complete years).