Method for the recovery of metals from electronic waste
US-12571069-B2 · Mar 10, 2026 · US
Remelting metals (liquating C22B9/02) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22B9/16 |
| Official title | Remelting metals (liquating C22B9/02) |
| Display label | Remelting metals (liquating C22B9/02) |
| Total patents | 43 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 10 |
| 2025 | 1 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12571069-B2 · Mar 10, 2026 · US
US-2026061496-A1 · Mar 5, 2026 · US
US-2025354236-A1 · Nov 20, 2025 · US
US-2024368732-A1 · Nov 7, 2024 · US
US-2024352556-A1 · Oct 24, 2024 · US
US-12087828-B2 · Sep 10, 2024 · US
US-2024283043-A1 · Aug 22, 2024 · US
US-2024229193-A9 · Jul 11, 2024 · US
US-2024229190-A9 · Jul 11, 2024 · US
US-2024132995-A1 · Apr 25, 2024 · US
US-2024132997-A1 · Apr 25, 2024 · US
US-11952643-B2 · Apr 9, 2024 · US
US-11879164-B2 · Jan 23, 2024 · US
US-2023416869-A1 · Dec 28, 2023 · US
US-11807914-B2 · Nov 7, 2023 · US
US-2023250509-A1 · Aug 10, 2023 · US
US-2023212713-A1 · Jul 6, 2023 · US
US-2023034873-A1 · Feb 2, 2023 · US
US-2022411894-A1 · Dec 29, 2022 · US
US-11427897-B2 · Aug 30, 2022 · US
Answers are generated from the same data shown on this page.