Purification system for nitrogen gas and xenon gas in water and isotope static analysis method thereof
US-12566154-B2 · Mar 3, 2026 · US
Separation involving two or more processes covered by different groups selected from groups B01D59/02, B01D59/10, B01D59/20, B01D59/22, B01D59/28, B01D59/34, B01D59/36, B01D59/38, B01D59/44
Separation involving two or more processes covered by different groups selected from groups B01D59/02, B01D59/10, B01D59/20, B01D59/22, B01D59/28, B01D59/34, B01D59/36, B01D59/38, B01D59/44 · 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 | B01D59/50 |
| Official title | Separation involving two or more processes covered by different groups selected from groups B01D59/02, B01D59/10, B01D59/20, B01D59/22, B01D59/28, B01D59/34, B01D59/36, B01D59/38, B01D59/44 |
| Display label | Separation involving two or more processes covered by different groups selected from groups B01D59/02, B01D59/10, B01D59/20, B01D59/22, B01D59/28, B01D59/34, B01D59/36, B01D59/38, B01D59/44 |
| Total patents | 27 |
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 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 5 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ion production system with fibrous lattice for ion collection
US-2025285777-A1 · Sep 11, 2025 · US
Oxygen isotope concentration method and oxygen isotope concentration apparatus
US-2025214039-A1 · Jul 3, 2025 · US
Method for purifying 226Ra-containing solution, method for producing 226Ra target, and method for producing 225Ac
US-12179149-B2 · Dec 31, 2024 · US
Ion production system with fibrous lattice for ion collection
US-2024420861-A1 · Dec 19, 2024 · US
Ion production system with fibrous lattice for ion collection
US-12112859-B2 · Oct 8, 2024 · US
Stable isotope enrichment device and stable isotope enrichment method
US-2024082786-A1 · Mar 14, 2024 · US
Thin fluid layers and streams facilitated, force-based atom, ion, molecule, and fine particle separators and methods of using the same
US-2024052457-A1 · Feb 15, 2024 · US
Ion production system with fibrous lattice for ion collection
US-2023109221-A1 · Apr 6, 2023 · US
Purification System for Nitrogen Gas and Xenon Gas in Water and Isotope Static Analysis Method Thereof
US-2023068184-A1 · Mar 2, 2023 · US
Method for producing 225Ac
US-11551826-B2 · Jan 10, 2023 · US
METHOD FOR PURIFYING 226Ra-CONTAINING SOLUTION, METHOD FOR PRODUCING 226Ra TARGET, AND METHOD FOR PRODUCING 225Ac
US-2022367081-A1 · Nov 17, 2022 · US
METHOD FOR PRODUCING 225Ac
US-2022328207-A1 · Oct 13, 2022 · US
Method for separating carbon isotope and method for concentrating carbon isotope using the same
US-11413596-B2 · Aug 16, 2022 · US
Process for the separation and purification of medical isotopes
US-10704123-B2 · Jul 7, 2020 · US
Method for producing deuterium-depleted water and method for producing deuterium-concentrated water
US-2020206687-A1 · Jul 2, 2020 · US
Method for separating carbon isotope and method for concentrating carbon isotope using the same
US-2020164337-A1 · May 28, 2020 · US
Biosensor and production method for same
US-10619178-B2 · Apr 14, 2020 · US
Isotope separation methods and systems
US-10556206-B2 · Feb 11, 2020 · US
Process for the separation and purification of medical isotopes
US-2019338394-A1 · Nov 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D59/50?
- CPC B01D59/50 is the Cooperative Patent Classification code for “Separation involving two or more processes covered by different groups selected from groups B01D59/02, B01D59/10, B01D59/20, B01D59/22, B01D59/28, B01D59/34, B01D59/36, B01D59/38, B01D59/44.”
- How many patents are filed under CPC B01D59/50 (Separation involving two or more processes covered by different groups selected from groups B01D59/02, B01D59/10, B01D59/20, B01D59/22, B01D59/28, B01D59/34, B01D59/36, B01D59/38, B01D59/44)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC B01D59/50 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).