Hemming apparatus
US-12508641-B1 · Dec 30, 2025 · US
for flanging edges of plates
for flanging edges of plates · 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 | B21D19/043 |
| Official title | {for flanging edges of plates} |
| Display label | for flanging edges of plates |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cross edge rolling
US-12427560-B2 · Sep 30, 2025 · US
Roller hemming device, roller hemming method and method for setting a hemming process
US-2025091111-A1 · Mar 20, 2025 · US
Working of sheet metal
US-2025050402-A1 · Feb 13, 2025 · US
Cross edge rolling
US-2024307934-A1 · Sep 19, 2024 · US
Working of sheet metal
US-12076770-B2 · Sep 3, 2024 · US
Hemming system and method that incorporates expected springback to form a continuous path
US-12030102-B2 · Jul 9, 2024 · US
Flange forming device and method of forming a flange on a sheet metal part to reduce surface distortion
US-11992870-B2 · May 28, 2024 · US
Roller hemming apparatus
US-2023311193-A1 · Oct 5, 2023 · US
Hemming path planning method and hemming system
US-2023166315-A1 · Jun 1, 2023 · US
Tools, machines, and methods for processing planar workpieces
US-11471924-B2 · Oct 18, 2022 · US
Flange forming device and method of forming a flange on a sheet metal part to reduce surface distortion
US-2022258224-A1 · Aug 18, 2022 · US
Flange forming device and method of forming a flange on a sheet metal part to reduce surface distortion
US-11358204-B2 · Jun 14, 2022 · US
Sheet metal hemming device
US-11351589-B2 · Jun 7, 2022 · US
Sheet metal hemming device
US-2022143669-A1 · May 12, 2022 · US
Working of sheet metal
US-2021323041-A1 · Oct 21, 2021 · US
Panel hemming device and a method of hemming using the same
US-11097328-B2 · Aug 24, 2021 · US
Roller hemming apparatus and roller hemming method
US-10994322-B2 · May 4, 2021 · US
Arrangement for connecting two vehicle body components and method for producing a sheet metal component having a doubled joining flange
US-10894566-B2 · Jan 19, 2021 · US
Roller hemming processing method and roller hemming processing device
US-10758958-B2 · Sep 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B21D19/043?
- CPC B21D19/043 is the Cooperative Patent Classification code for “for flanging edges of plates.”
- How many patents are filed under CPC B21D19/043 (for flanging edges of plates)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC B21D19/043 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).