Low-density clad steel sheet having excellent formability and fatigue property and manufacturing method therefor
US-2024326399-A1 · Oct 3, 2024 · US
by means of a rolling mill
by means of a rolling mill · 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 | B23K20/04 |
| Official title | by means of a rolling mill |
| Display label | by means of a rolling mill |
| 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 | 10 |
| 2016 | 14 |
| 2017 | 18 |
| 2018 | 32 |
| 2019 | 26 |
| 2020 | 24 |
| 2021 | 33 |
| 2022 | 16 |
| 2023 | 15 |
| 2024 | 17 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods for applying aluminum coating layer to a core of copper wire
US-2018355462-A1 · Dec 13, 2018 · US
Screen bar, bar screen and method for producing a screen bar
US-10124372-B2 · Nov 13, 2018 · US
Method of making a dual hardness steel article
US-10113211-B2 · Oct 30, 2018 · US
Method of Bonding a Metallic Component to a Non-Metallic Component Using a Compliant Material
US-2018297900-A1 · Oct 18, 2018 · US
Metal laminate material and method for producing the same
US-2018265990-A1 · Sep 20, 2018 · US
Method for producing a roll-clad aluminum workpiece, roll-clad aluminum workpiece, and use therefor
US-10065271-B2 · Sep 4, 2018 · US
Method for producing a composite material, and a provisional composite
US-2018236750-A1 · Aug 23, 2018 · US
Method for joining dissimilar metals and articles comprising the same
US-2018222150-A1 · Aug 9, 2018 · US
Clad material
US-9979004-B2 · May 22, 2018 · US
Aluminum-alloy clad material and production method therefor, and heat exchanger using said aluminum-alloy clad material and production method therefor
US-9976201-B2 · May 22, 2018 · US
Cladded aluminum-alloy material and production method therefor, and heat exchanger using said cladded aluminum-alloy material and production method therefor
US-9976200-B2 · May 22, 2018 · US
Method of bonding a metallic component to a non-metallic component using a compliant material
US-9969654-B2 · May 15, 2018 · US
Laser joining method for galvanized steel sheets
US-2018126492-A1 · May 10, 2018 · US
Metal plate joining method and apparatus
US-9931718-B2 · Apr 3, 2018 · US
Aluminum copper clad material
US-9890438-B2 · Feb 13, 2018 · US
Aluminum-alloy-clad plate and aluminum-alloy-clad structural member
US-2018022067-A1 · Jan 25, 2018 · US
Alloying element-saving hot rolled duplex stainless steel material, clad steel plate having duplex stainless steel as cladding material therefor, and production method for same
US-9862168-B2 · Jan 9, 2018 · US
Clad sheets for heat exchangers
US-2017368596-A1 · Dec 28, 2017 · US
Bi-material strip and a method of bonding strips of different materials together
US-9844836-B2 · Dec 19, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K20/04?
- CPC B23K20/04 is the Cooperative Patent Classification code for “by means of a rolling mill.”
- How many patents are filed under CPC B23K20/04 (by means of a rolling mill)?
- Our database includes 218 publications tagged with this CPC code.
- Is patent activity under CPC B23K20/04 growing?
- Publication counts under this code: 17 in 2024 vs 10 in 2025 (latest complete years).