Pulse current processing apparatus and method for thin metal strip under bidirectional tension
US-12398440-B2 · Aug 26, 2025 · US
Working sheet metal of limited length by stretching, e.g. for straightening
Working sheet metal of limited length by stretching, e.g. for straightening · 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 | B21D25/00 |
| Official title | Working sheet metal of limited length by stretching, e.g. for straightening |
| Display label | Working sheet metal of limited length by stretching, e.g. for straightening |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of predicting shape change of press-formed product
US-2024378345-A1 · Nov 14, 2024 · US
Device for stretching a metal semi-finished product in the form of individual plates along a stretching section with a stretching frame, and method for stretching a metal semi-finished product using the device
US-12121951-B2 · Oct 22, 2024 · US
Stretching machine for extruded profiles
US-12109602-B2 · Oct 8, 2024 · US
Method and apparatus for forming sheet metal
US-2024157426-A1 · May 16, 2024 · US
Aerodynamic component for a gas turbine engine
US-11927348-B2 · Mar 12, 2024 · US
Panel flattening assembly and display module including the same
US-11878332-B2 · Jan 23, 2024 · US
Pulse current processing apparatus and method for thin metal strip under bidirectional tension
US-2023399716-A1 · Dec 14, 2023 · US
Support strip and net-tensioning method
US-2023366076-A1 · Nov 16, 2023 · US
Method for producing a heat exchanger
US-11724303-B2 · Aug 15, 2023 · US
Device for stretching a metal semi-finished product in the form of individual plates along a stretching section with a stretching frame, and method for stretching a metal semi-finished product using the device
US-2023249240-A1 · Aug 10, 2023 · US
Method of metal mask and manufacturing method of metal mask
US-11709420-B2 · Jul 25, 2023 · US
Method for producing fuel cell separator
US-11637294-B2 · Apr 25, 2023 · US
Production method for pressed components, press forming device, and metal sheet for press forming
US-11628486-B2 · Apr 18, 2023 · US
Manufacturing method of press formed product, press forming apparatus, and press forming line
US-2023057735-A1 · Feb 23, 2023 · US
Panel flattening assembly and display module including the same
US-2023038699-A1 · Feb 9, 2023 · US
Aluminum alloy component
US-11491525-B2 · Nov 8, 2022 · US
Method for producing a heat exchanger
US-2022250136-A1 · Aug 11, 2022 · US
Aerodynamic component for a gas turbine engine
US-2022082256-A1 · Mar 17, 2022 · US
Annular part and a method and apparatus for forming an annular part
US-11219935-B2 · Jan 11, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D25/00?
- CPC B21D25/00 is the Cooperative Patent Classification code for “Working sheet metal of limited length by stretching, e.g. for straightening.”
- How many patents are filed under CPC B21D25/00 (Working sheet metal of limited length by stretching, e.g. for straightening)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC B21D25/00 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).