Phase Change System and Phase Change Crucible for the Separation of Rare Earth Elements
US-2024035118-A1 · Feb 1, 2024 · US
Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action {including acoustic waves; (C22B9/003, C22B9/006, C22B9/05, C22B9/22 take precedence)}
Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action {including acoustic waves; (C22B9/003, C22B9/006, C22B9/05, C22B9/22 take precedence)} · 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 | C22B9/02 |
| Official title | Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action {including acoustic waves; (C22B9/003, C22B9/006, C22B9/05, C22B9/22 take precedence)} |
| Display label | Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action {including acoustic waves; (C22B9/003, C22B9/006, C22B9/05, C22B9/22 take precedence)} |
| Total patents | 99 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 14 |
| 2025 | 16 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Waste mercury recovery device
US-2023295771-A1 · Sep 21, 2023 · US
Methods And Systems For Separating Metals
US-2023249095-A1 · Aug 10, 2023 · US
Separation of rare earth elements
US-2023227942-A1 · Jul 20, 2023 · US
Methods and systems for separating metals
US-11697077-B2 · Jul 11, 2023 · US
Degassing launder
US-2023212711-A1 · Jul 6, 2023 · US
Energy Efficient Process for Concentrating and Recovering Lithium from a Lithium Containing Brine
US-2022364202-A1 · Nov 17, 2022 · US
Countergravity Casting Apparatus and Desulfurization Methods
US-2022347741-A1 · Nov 3, 2022 · US
Metal purifying method and metal purifying apparatus
US-2022349026-A1 · Nov 3, 2022 · US
Countergravity casting apparatus and desulfurization methods
US-11433452-B2 · Sep 6, 2022 · US
Device and method for production of purified magnesium
US-11421299-B2 · Aug 23, 2022 · US
Molten salt electrorefiner
US-11401617-B2 · Aug 2, 2022 · US
Method and apparatus for manufacturing powder for additive manufacturing
US-2022193768-A1 · Jun 23, 2022 · US
Methods And Systems For Separating Metals
US-2022126221-A1 · Apr 28, 2022 · US
Methods and systems for separating metals
US-11260315-B1 · Mar 1, 2022 · US
System for salt removal from uranium metal
US-2021317548-A1 · Oct 14, 2021 · US
Device and method for production purified, especially high purity, magnesium
US-2021102271-A1 · Apr 8, 2021 · US
Processing method for electronic/electric device component waste
US-2021039146-A1 · Feb 11, 2021 · US
Molten salt electrorefining apparatus and refining method
US-2020385880-A1 · Dec 10, 2020 · US
Method for using a tubular sonotrode
US-10837081-B2 · Nov 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B9/02?
- CPC C22B9/02 is the Cooperative Patent Classification code for “Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action {including acoustic waves; (C22B9/003, C22B9/006, C22B9/05, C22B9/22 take precedence)}.”
- How many patents are filed under CPC C22B9/02 (Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action {including acoustic waves; (C22B9/003, C22B9/006, C22B9/05, C22B9/22 take precedence)})?
- Our database includes 99 publications tagged with this CPC code.
- Is patent activity under CPC C22B9/02 growing?
- Publication counts under this code: 14 in 2024 vs 16 in 2025 (latest complete years).