Castable Ce-Based Magnets
US-2024379263-A1 · Nov 14, 2024 · US
containing copper
containing copper · 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 | C22C30/02 |
| Official title | containing copper |
| Display label | containing copper |
| Total patents | 493 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 37 |
| 2016 | 43 |
| 2017 | 44 |
| 2018 | 42 |
| 2019 | 66 |
| 2020 | 44 |
| 2021 | 49 |
| 2022 | 42 |
| 2023 | 46 |
| 2024 | 38 |
| 2025 | 33 |
| 2026 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Welded joint
US-2016355911-A1 · Dec 8, 2016 · US
Permanent magnet, motor, and generator
US-9502165-B2 · Nov 22, 2016 · US
Brazing material for bonding; and composite part and cutting tool using same
US-2016318132-A1 · Nov 3, 2016 · US
Precipitation hardened matrix drill bit
US-2016265284-A1 · Sep 15, 2016 · US
Systems, Methods, and Materials for Cryogenic Thermoelectric Cooling
US-2016260881-A1 · Sep 8, 2016 · US
Solder material and electronic component
US-2016226466-A1 · Aug 4, 2016 · US
Magnetic nickel base ternary brazing material and method of application
US-9393646-B2 · Jul 19, 2016 · US
R-t-b based sintered magnet
US-2016189838-A1 · Jun 30, 2016 · US
Materials for near field transducers and near field transducers containing same
US-2016189735-A1 · Jun 30, 2016 · US
Vacuum Insulation Material
US-2016186918-A1 · Jun 30, 2016 · US
Permanent magnet, motor, and generator
US-2016155548-A1 · Jun 2, 2016 · US
High strength, corrosion resistant austenitic alloys
US-9347121-B2 · May 24, 2016 · US
Electrical Contact for Vacuum Interrupter and Process for Producing Same
US-2016141126-A1 · May 19, 2016 · US
Ni—Fe—Cr alloy and engine valve welded with the same alloy
US-9340856-B2 · May 17, 2016 · US
Copper alloy casting having excellent machinability, strength, wear resistance and corrosion resistance and method of casting the same
US-9328401-B2 · May 3, 2016 · US
Methods of making and treating copper-based alloy compositions and products formed therefrom
US-2016102392-A1 · Apr 14, 2016 · US
Method for manufacturing permanent magnet
US-2016104573-A1 · Apr 14, 2016 · US
Permanent magnet, motor, and generator
US-2016086702-A1 · Mar 24, 2016 · US
Alloys, bulk metallic glass, and methods of forming the same
US-9290829-B2 · Mar 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22C30/02?
- CPC C22C30/02 is the Cooperative Patent Classification code for “containing copper.”
- How many patents are filed under CPC C22C30/02 (containing copper)?
- Our database includes 493 publications tagged with this CPC code.
- Is patent activity under CPC C22C30/02 growing?
- Publication counts under this code: 38 in 2024 vs 33 in 2025 (latest complete years).