Soft-magnetic alloy
US-2018371589-A1 · Dec 27, 2018 · US
Using a mixture of pre-alloyed powders or a master alloy
Using a mixture of pre-alloyed powders or a master alloy · 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 | C22C33/0207 |
| Official title | {Using a mixture of pre-alloyed powders or a master alloy} |
| Display label | Using a mixture of pre-alloyed powders or a master alloy |
| Total patents | 218 |
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 | 5 |
| 2016 | 15 |
| 2017 | 14 |
| 2018 | 26 |
| 2019 | 23 |
| 2020 | 32 |
| 2021 | 26 |
| 2022 | 26 |
| 2023 | 23 |
| 2024 | 17 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of fabricating an interconnect for a fuel cell stack
US-2018366743-A1 · Dec 20, 2018 · US
Method of producing sintered and forged member
US-2018326490-A1 · Nov 15, 2018 · US
Sintered alloy and production method therefor
US-10094009-B2 · Oct 9, 2018 · US
Method of producing wear-resistant iron-based sintered alloy
US-2018282844-A1 · Oct 4, 2018 · US
New iron-based composite powder
US-2018272423-A1 · Sep 27, 2018 · US
Method of fabricating an interconnect for a fuel cell stack
US-10079393-B1 · Sep 18, 2018 · US
Compact for producing a sintered alloy, a wear-resistant iron-based sintered alloy, and a method for producing the same
US-10058922-B2 · Aug 28, 2018 · US
Valve seat
US-10036287-B2 · Jul 31, 2018 · US
Tribological system, comprising a valve seat ring and a valve
US-2018209311-A1 · Jul 26, 2018 · US
Iron-based powder for powder metallurgy and method for producing iron-based powder for powder metallurgy
US-2018202029-A1 · Jul 19, 2018 · US
Mixed powder for powder metallurgy, sintered body, and method of manufacturing sintered body
US-2018193908-A1 · Jul 12, 2018 · US
Fe-based sintered alloy and manufacturing method thereof
US-2018185917-A1 · Jul 5, 2018 · US
Iron-based sintered body and method of manufacturing the same
US-2018178291-A1 · Jun 28, 2018 · US
Hard particles for incorporation in sintered alloy and wear-resistant iron-based sintered alloy and production method thereof
US-9988699-B2 · Jun 5, 2018 · US
Sintered alloy and manufacturing method thereof
US-9982563-B2 · May 29, 2018 · US
Sintered alloy and manufacturing method thereof
US-9982562-B2 · May 29, 2018 · US
Hard particles for incorporation in sintered alloy and wear-resistant iron-based sintered alloy and production method thereof
US-9976202-B2 · May 22, 2018 · US
Hard particles for incorporation in sintered alloy and wear-resistant iron-based sintered alloy and production method thereof
US-2018119256-A1 · May 3, 2018 · US
Manufacturing method of sintered alloy, compact for sintering, and sintered alloy
US-9950369-B2 · Apr 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22C33/0207?
- CPC C22C33/0207 is the Cooperative Patent Classification code for “Using a mixture of pre-alloyed powders or a master alloy.”
- How many patents are filed under CPC C22C33/0207 (Using a mixture of pre-alloyed powders or a master alloy)?
- Our database includes 218 publications tagged with this CPC code.
- Is patent activity under CPC C22C33/0207 growing?
- Publication counts under this code: 17 in 2024 vs 10 in 2025 (latest complete years).