Zinc and Zinc Alloys as Cable Sheathing
US-2026081052-A1 · Mar 19, 2026 · US
with copper as the next major constituent
with copper as the next major constituent · 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 | C22C18/02 |
| Official title | with copper as the next major constituent |
| Display label | with copper as the next major constituent |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 7 |
| 2017 | 10 |
| 2018 | 5 |
| 2019 | 8 |
| 2020 | 10 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Welded joint
US-2025222680-A1 · Jul 10, 2025 · US
Bearing formed of an aluminum alloy material and method of manufacturing
US-12338513-B2 · Jun 24, 2025 · US
High-strength steel sheet and method for producing same
US-12258646-B2 · Mar 25, 2025 · US
Corrosion resistant CuZn alloy
US-12006563-B2 · Jun 11, 2024 · US
Copper alloy, use of a copper alloy, sanitary fitting and method for producing a sanitary fitting
US-11767577-B2 · Sep 26, 2023 · US
Corrosion-resistant CuZn alloy
US-11643707-B2 · May 9, 2023 · US
Bearing formed of an aluminum alloy material and method of manufacturing
US-2022411899-A1 · Dec 29, 2022 · US
Wear-resistant copper-zinc alloy and mechanical device using same
US-11473172-B2 · Oct 18, 2022 · US
Friction material
US-11408476-B2 · Aug 9, 2022 · US
High-strength galvanized steel sheet and method for manufacturing same
US-11408059-B2 · Aug 9, 2022 · US
High-strength steel sheet and method for producing same
US-2022195552-A1 · Jun 23, 2022 · US
Electrical contact material, terminal fitting, connector, wire harness, and electrical contact material manufacturing method
US-11228127-B2 · Jan 18, 2022 · US
CORROSION-RESISTANT CuZn ALLOY
US-2021355563-A1 · Nov 18, 2021 · US
CORROSION RESISTANT CuZn ALLOY
US-2021317550-A1 · Oct 14, 2021 · US
Materials for near field transducers and near field transducers containing same
US-11107499-B2 · Aug 31, 2021 · US
Materials for near field transducers, near field tranducers containing same, and methods of forming
US-10964347-B2 · Mar 30, 2021 · US
Electrical contact material, terminal fitting, connector, wire harness, and electrical contact material manufacturing method
US-2020412044-A1 · Dec 31, 2020 · US
Medical biodegradable zn-cu alloy and its preparation method as well as applications
US-2020385844-A1 · Dec 10, 2020 · US
High-strength galvanized steel sheet and method for manufacturing same
US-2020377978-A1 · Dec 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22C18/02?
- CPC C22C18/02 is the Cooperative Patent Classification code for “with copper as the next major constituent.”
- How many patents are filed under CPC C22C18/02 (with copper as the next major constituent)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC C22C18/02 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).