Stamping portions having metal flow receiving features
US-2021362211-A1 · Nov 25, 2021 · US
for dimpling (combined with perforating B21D28/24)
for dimpling (combined with perforating B21D28/24) · 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 | B21D22/04 |
| Official title | for dimpling (combined with perforating B21D28/24) |
| Display label | for dimpling (combined with perforating B21D28/24) |
| Total patents | 110 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 3 |
| 2017 | 9 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 15 |
| 2021 | 13 |
| 2022 | 17 |
| 2023 | 9 |
| 2024 | 10 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Metal member manufacturing method
US-2021276068-A1 · Sep 9, 2021 · US
Convex portion, method of manufacturing convex portion, positioning structure
US-11110507-B2 · Sep 7, 2021 · US
Metal member manufacturing method
US-2021268678-A1 · Sep 2, 2021 · US
Rigidity improvement method for press-formed product, press-forming die, press-formed product, and method of producing press-formed product
US-2021237137-A1 · Aug 5, 2021 · US
Method for producing an overlapping connection, and body component for a vehicle
US-2021197245-A1 · Jul 1, 2021 · US
Light Pipe Crush Rib Attachment
US-2021033778-A1 · Feb 4, 2021 · US
Light pipe crush rib attachment
US-10901143-B1 · Jan 26, 2021 · US
Forming device and metal pipe
US-2020406329-A1 · Dec 31, 2020 · US
End disk of a multi-disk clutch, assembly, and method of manufacturing an assembly
US-2020400201-A1 · Dec 24, 2020 · US
Door skin, a method of etching a plate for forming a wood grain pattern in the door skin, and an etched plate formed therefrom
US-2020340294-A1 · Oct 29, 2020 · US
Stamping device
US-10744548-B2 · Aug 18, 2020 · US
Method for manufacturing press molded product
US-2020206798-A1 · Jul 2, 2020 · US
Web component and method of making a web component
US-10683883-B2 · Jun 16, 2020 · US
Processing tool for electrode for resistance spot welding, processing device for electrode for resistance spot welding, and processing method for electrode for resistance spot welding
US-2020156179-A1 · May 21, 2020 · US
Door skin, method of etching plate for forming wood grain pattern in door skin, and etched plate formed therefrom
US-10648225-B2 · May 12, 2020 · US
A punching tool comprising a punch and a die
US-2020122213-A1 · Apr 23, 2020 · US
Heat exchanger tube with flattened draining dimple
US-2020094358-A1 · Mar 26, 2020 · US
Method for the production of chassis parts from micro-alloyed steel with improved cold formability
US-2020078853-A1 · Mar 12, 2020 · US
3d pattern cutting machine for lithium metal electrode
US-2020058931-A1 · Feb 20, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D22/04?
- CPC B21D22/04 is the Cooperative Patent Classification code for “for dimpling (combined with perforating B21D28/24).”
- How many patents are filed under CPC B21D22/04 (for dimpling (combined with perforating B21D28/24))?
- Our database includes 110 publications tagged with this CPC code.
- Is patent activity under CPC B21D22/04 growing?
- Publication counts under this code: 10 in 2024 vs 7 in 2025 (latest complete years).