Devices and methods for performing shear-assisted extrusion and extrusion processes
US-12358035-B2 · Jul 15, 2025 · US
by extrusion or drawing
by extrusion or drawing · 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 | B23K20/001 |
| Official title | {by extrusion or drawing} |
| Display label | by extrusion or drawing |
| Total patents | 31 |
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 | 1 |
| 2017 | 3 |
| 2018 | 5 |
| 2020 | 3 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Copper alloy assembly and production method therefor
US-12337407-B2 · Jun 24, 2025 · US
Devices and methods for performing shear-assisted extrusion and extrusion processes
US-2024216973-A1 · Jul 4, 2024 · US
Copper alloy assembly and production method therefor
US-2023356321-A1 · Nov 9, 2023 · US
Diffusion bonding heat exchanger
US-11768037-B2 · Sep 26, 2023 · US
Devices and Methods for Performing Shear-Assisted Extrusion and Extrusion Processes
US-2023042802-A1 · Feb 9, 2023 · US
Method for producing structure, and structure
US-11569192-B2 · Jan 31, 2023 · US
Metal member joining method and joining structure
US-2022258287-A1 · Aug 18, 2022 · US
Steel sheet for hot press and manufacturing method thereof
US-11225050-B1 · Jan 18, 2022 · US
Steel sheet for hot press and manufacturing method thereof
US-2021402740-A1 · Dec 30, 2021 · US
Method for processing an ultra-high density space interconnect lead under light source guidance
US-11211357-B2 · Dec 28, 2021 · US
Devices and Methods for Performing Shear-Assisted Extrusion and Extrusion Processes
US-2021379638-A1 · Dec 9, 2021 · US
Metallic member bonding device for pressing rod-shaped or cylindrical first metallic member into hole portion of annular second metallic member to bond the same and bonding method therefor
US-11161196-B2 · Nov 2, 2021 · US
Outer ring for variable oil pump and manufacturing method thereof
US-2021252595-A1 · Aug 19, 2021 · US
Method for processing an ultra-high density space interconnect lead under light source guidance
US-2021210461-A1 · Jul 8, 2021 · US
Diffusion Bonding Heat Exchanger
US-2021116182-A1 · Apr 22, 2021 · US
Extrusion of metal material using a dummy block having a curved surface
US-2020376529-A1 · Dec 3, 2020 · US
Method for producing structure, and structure
US-2020083190-A1 · Mar 12, 2020 · US
Welding apparatus and method of manufacturing welded body
US-2020075531-A1 · Mar 5, 2020 · US
Methods and process flows for diffusion bonding and forming metallic sheets
US-10155281-B2 · Dec 18, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K20/001?
- CPC B23K20/001 is the Cooperative Patent Classification code for “by extrusion or drawing.”
- How many patents are filed under CPC B23K20/001 (by extrusion or drawing)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B23K20/001 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).