Laser control structure and laser bonding method using the same
US-2022402070-A1 · Dec 22, 2022 · US
Ferrous alloys and copper or alloys thereof
Ferrous alloys and copper or alloys thereof · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B23K2103/22 |
| Official title | Ferrous alloys and copper or alloys thereof |
| Display label | Ferrous alloys and copper or alloys thereof |
| Total patents | 88 |
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 | 3 |
| 2016 | 6 |
| 2017 | 3 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 10 |
| 2022 | 16 |
| 2023 | 11 |
| 2024 | 10 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refrigerant pipe
US-2022349501-A1 · Nov 3, 2022 · US
Welded structure and friction stir welding device
US-2022314362-A1 · Oct 6, 2022 · US
Roll-bonded laminate and method for producing the same
US-11453203-B2 · Sep 27, 2022 · US
Roll-bonded laminate, method for producing the same, and heat radiation reinforcement member for electronic equipment
US-11407202-B2 · Aug 9, 2022 · US
Foil for secondary battery negative electrode collector
US-11394031-B2 · Jul 19, 2022 · US
Joint structure
US-11376691-B2 · Jul 5, 2022 · US
Method for resistance spot welding a stacked assembly of dissimilar metal workpieces and a resistance spot welded stack assembly of dissimilar metals
US-11364563-B2 · Jun 21, 2022 · US
Method for Manufacturing Clad Material
US-2022176676-A1 · Jun 9, 2022 · US
Machine component and method for producing the same
US-11338385-B2 · May 24, 2022 · US
Refrigeration apparatus and refrigerant pipe of the same refrigeration apparatus
US-2022146161-A1 · May 12, 2022 · US
Method for resistance spot welding a stacked assembly of dissimilar metal workpieces and a resistance spot welded stack assembly of dissimilar metals
US-2022126390-A1 · Apr 28, 2022 · US
Welding wire for dissimilar welding of cu and steel and preparation method thereof and method for welding cu and steel
US-2022118543-A1 · Apr 21, 2022 · US
Foil for secondary battery negative electrode collector
US-2022052348-A1 · Feb 17, 2022 · US
Roll-bonded laminate, method for producing the same, and heat radiation reinforcement member for electronic equipment
US-2021300000-A1 · Sep 30, 2021 · US
Method for producing a heat-spreading plate, heat-spreading plate, method for producing a semiconductor module and semiconductor module
US-2021202350-A1 · Jul 1, 2021 · US
Method and apparatus to form a workpiece employing vibration welding
US-11045897-B2 · Jun 29, 2021 · US
Laser welding method
US-10981246-B2 · Apr 20, 2021 · US
Components and the manufacture thereof via welding with reduced alloy-depletion
US-2021094098-A1 · Apr 1, 2021 · US
Clad material and method for manufacturing clad material
US-2021086478-A1 · Mar 25, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K2103/22?
- CPC B23K2103/22 is the Cooperative Patent Classification code for “Ferrous alloys and copper or alloys thereof.”
- How many patents are filed under CPC B23K2103/22 (Ferrous alloys and copper or alloys thereof)?
- Our database includes 88 publications tagged with this CPC code.
- Is patent activity under CPC B23K2103/22 growing?
- Publication counts under this code: 10 in 2024 vs 3 in 2025 (latest complete years).