Metal purification device and method based on mass-to-charge ratio difference
US-2025381570-A1 · Dec 18, 2025 · US
with use of an inert protective material including the use of an inert gas
with use of an inert protective material including the use of an inert gas · 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 | C22B9/006 |
| Official title | {with use of an inert protective material including the use of an inert gas} |
| Display label | with use of an inert protective material including the use of an inert gas |
| Total patents | 32 |
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 | 3 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of preparing biodegradable Zn—Mg—Bi zinc alloy
US-12203152-B2 · Jan 21, 2025 · US
System for salt removal from uranium metal
US-12180562-B2 · Dec 31, 2024 · US
Method for sustainably recycling aluminium alloy scrap
US-2024352556-A1 · Oct 24, 2024 · US
Method for recycling waste lithium ion battery, method for smart recycling waste lithium ion battery and system for smart recycling waste lithium ion battery comprising partial melt separation process for lithium alloy compound formation and graphite separation
US-2024332657-A1 · Oct 3, 2024 · US
METHOD OF PREPARING BIODEGRADABLE Zn-Mg-Bi ZINC ALLOY
US-2024295009-A1 · Sep 5, 2024 · US
Purification Method of Recovered Aluminum Melt for Automobile Hub
US-2024109122-A1 · Apr 4, 2024 · US
Recycling method for heavy rare earth element and recycling method for rare earth magnet
US-2023399721-A1 · Dec 14, 2023 · US
Alloy and a method of preparing the same
US-11761066-B2 · Sep 19, 2023 · US
Simultaneous distillation and alloying
US-2023083353-A1 · Mar 16, 2023 · US
BIODEGRADABLE Zn-Mg-Bi ZINC ALLOY AND PREPARATION METHOD THEREOF
US-2022307110-A1 · Sep 29, 2022 · US
Method and apparatus for manufacturing powder for additive manufacturing
US-2022193768-A1 · Jun 23, 2022 · US
Alloy and a method of preparing the same
US-2022018000-A1 · Jan 20, 2022 · US
System for salt removal from uranium metal
US-2021317548-A1 · Oct 14, 2021 · US
Method for reducing salt usage in aluminum recycling
US-10669609-B2 · Jun 2, 2020 · US
Hydrogen, lithium, and lithium hydride production
US-10632436-B2 · Apr 28, 2020 · US
High quality, void and inclusion free alloy wire
US-10421161-B2 · Sep 24, 2019 · US
Method For Reducing Salt Usage In Aluminum Recycling
US-2019185962-A1 · Jun 20, 2019 · US
Method for purifying metallic sodium
US-10316390-B2 · Jun 11, 2019 · US
Ni-based superalloy with excellent unsusceptibility to segregation
US-10221473-B2 · Mar 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B9/006?
- CPC C22B9/006 is the Cooperative Patent Classification code for “with use of an inert protective material including the use of an inert gas.”
- How many patents are filed under CPC C22B9/006 (with use of an inert protective material including the use of an inert gas)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C22B9/006 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).