Method for producing valuable metal
US-2024204275-A1 · Jun 20, 2024 · US
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Reducing step-by-step
Reducing step-by-step · 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 | C22B5/18 |
| Official title | Reducing step-by-step |
| Display label | Reducing step-by-step |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for recovering valuable metal
US-2024084418-A1 · Mar 14, 2024 · US
Substrate processing device, substrate processing system, and method for processing substrate
US-2024068068-A1 · Feb 29, 2024 · US
Method for recovering valuable metal
US-11807914-B2 · Nov 7, 2023 · US
Method for recovering valuable metal
US-2023212713-A1 · Jul 6, 2023 · US
Method for preparing high-melting-point metal powder through multi-stage deep reduction
US-11241740-B2 · Feb 8, 2022 · US
Method for preparing reduced titanium powder by multistage deep reduction
US-11033965-B2 · Jun 15, 2021 · US
Method for recovering nickel and cobalt from nickel, iron, and cobalt-containing raw material
US-2021130926-A1 · May 6, 2021 · US
Method for preparing high-melting-point metal powder through multi-stage deep reduction
US-2020276648-A1 · Sep 3, 2020 · US
Fire refining of blister copper
US-10648060-B2 · May 12, 2020 · US
Method for preparing reduced titanuim powder by multistage deep reduction
US-2019283139-A1 · Sep 19, 2019 · US
Method of recovering nuclear fuel material
US-10323330-B2 · Jun 18, 2019 · US
Fire refining of blister copper
US-2018142323-A1 · May 24, 2018 · US
Method of recovering nuclear fuel material
US-2018051381-A1 · Feb 22, 2018 · US
Method of recovering nuclear fuel material
US-9845542-B2 · Dec 19, 2017 · US
Method of recovering nuclear fuel material
US-2016225473-A1 · Aug 4, 2016 · US
Direct Smelting Process and Apparatus
US-2016017458-A1 · Jan 21, 2016 · US
Direct smelting process and apparatus
US-9175907-B2 · Nov 3, 2015 · US