Metal pipe forming method, metal pipe, and forming system
US-2021346933-A1 · Nov 11, 2021 · US
Mould construction (B21D26/037 - B21D26/045 take precedence)
Mould construction (B21D26/037 - B21D26/045 take precedence) · 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 | B21D26/047 |
| Official title | Mould construction (B21D26/037 - B21D26/045 take precedence) |
| Display label | Mould construction (B21D26/037 - B21D26/045 take precedence) |
| Total patents | 122 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 8 |
| 2017 | 6 |
| 2018 | 16 |
| 2019 | 9 |
| 2020 | 10 |
| 2021 | 15 |
| 2022 | 18 |
| 2023 | 19 |
| 2024 | 10 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device and method for strengthening thin-walled straight pipe
US-11141773-B1 · Oct 12, 2021 · US
Hydroforming of porthole extrusion with non-equiangular seams
US-11052445-B2 · Jul 6, 2021 · US
Method for Manufacturing Thin-Walled Metal Component by Three-Dimensional Printing and Hot Gas Bulging
US-2021197261-A1 · Jul 1, 2021 · US
Expansion forming apparatus
US-2021162481-A1 · Jun 3, 2021 · US
Method and device for manufacturing large-sized thin-walled tubular part by gas-liquid internal high pressure forming
US-2021154721-A1 · May 27, 2021 · US
Forming device
US-10967413-B2 · Apr 6, 2021 · US
Forming device
US-10967414-B2 · Apr 6, 2021 · US
Forming device and metal pipe
US-2020406329-A1 · Dec 31, 2020 · US
Forming device, forming method, and metal pipe
US-2020406330-A1 · Dec 31, 2020 · US
Forming Tool and Method for Producing a Component
US-2020398330-A1 · Dec 24, 2020 · US
Forming device
US-10751780-B2 · Aug 25, 2020 · US
Integrated method for forming and performance control of NiAl alloy thin-walled tubular parts
US-10737311-B1 · Aug 11, 2020 · US
Apparatuses for stent shaping
US-2020147666-A1 · May 14, 2020 · US
Apparatus and method of shaping metal product
US-2020114410-A1 · Apr 16, 2020 · US
Apparatus and method of shaping metal product
US-10589335-B1 · Mar 17, 2020 · US
Methods for stent shaping
US-10537929-B2 · Jan 21, 2020 · US
Forming apparatus
US-2020016645-A1 · Jan 16, 2020 · US
Apparatus and method of shaping metal product
US-10478885-B1 · Nov 19, 2019 · US
Forming device and forming method
US-2019344321-A1 · Nov 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D26/047?
- CPC B21D26/047 is the Cooperative Patent Classification code for “Mould construction (B21D26/037 - B21D26/045 take precedence).”
- How many patents are filed under CPC B21D26/047 (Mould construction (B21D26/037 - B21D26/045 take precedence))?
- Our database includes 122 publications tagged with this CPC code.
- Is patent activity under CPC B21D26/047 growing?
- Publication counts under this code: 10 in 2024 vs 8 in 2025 (latest complete years).