Friction stir welding using a pcbn-based tool
US-2024116131-A1 · Apr 11, 2024 · US
taking account of the properties of the materials to be welded
taking account of the properties of the materials to be welded · 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 | B23K20/22 |
| Official title | taking account of the properties of the materials to be welded |
| Display label | taking account of the properties of the materials to be welded |
| Total patents | 298 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 32 |
| 2017 | 33 |
| 2018 | 36 |
| 2019 | 39 |
| 2020 | 34 |
| 2021 | 37 |
| 2022 | 19 |
| 2023 | 18 |
| 2024 | 18 |
| 2025 | 16 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ultrasonic welding of dissimilar sheet materials
US-2017361540-A1 · Dec 21, 2017 · US
Semiconductor device and manufacturing method of semiconductor device
US-2017355040-A1 · Dec 14, 2017 · US
Method and apparatus to form a workpiece employing vibration welding
US-2017334016-A1 · Nov 23, 2017 · US
Friction stir spot welding device and friction stir spot welding method
US-2017304935-A1 · Oct 26, 2017 · US
Dual alloy turbine rotors and methods for manufacturing the same
US-2017304929-A1 · Oct 26, 2017 · US
Powdered metal as a sacrificial material for ultrasonic additive manufacturing
US-2017304964-A1 · Oct 26, 2017 · US
Method for bonding wafers
US-2017252855-A1 · Sep 7, 2017 · US
Air intake apparatus and manufacturing method of air intake apparatus
US-9683530-B2 · Jun 20, 2017 · US
Joining method
US-2017136686-A1 · May 18, 2017 · US
Rotary friction welding
US-2017129048-A1 · May 11, 2017 · US
Single crystal engine valve
US-9644504-B2 · May 9, 2017 · US
Sealed end points and methods of making the same
US-9635775-B2 · Apr 25, 2017 · US
Fabrication of Pipe Strings Using Friction Stir Welding
US-2017080518-A1 · Mar 23, 2017 · US
Systems and methods for dissimilar material welding
US-2017014952-A1 · Jan 19, 2017 · US
Welding method and system
US-2016355902-A1 · Dec 8, 2016 · US
Diffusion bonded fastener assembly
US-2016356301-A1 · Dec 8, 2016 · US
Friction stir welding of thermoplastics
US-2016318239-A1 · Nov 3, 2016 · US
Preconditioned Bus Bar Interconnect System
US-2016315303-A1 · Oct 27, 2016 · US
Friction stir processing method for a workpiece having surface coating
US-9475148-B2 · Oct 25, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23K20/22?
- CPC B23K20/22 is the Cooperative Patent Classification code for “taking account of the properties of the materials to be welded.”
- How many patents are filed under CPC B23K20/22 (taking account of the properties of the materials to be welded)?
- Our database includes 298 publications tagged with this CPC code.
- Is patent activity under CPC B23K20/22 growing?
- Publication counts under this code: 18 in 2024 vs 16 in 2025 (latest complete years).