- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 19/08 - Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
Patent holdings for IPC class B21D 19/08
Total number of patents in this class: 303
10-year publication summary
26
|
28
|
30
|
34
|
19
|
25
|
25
|
21
|
17
|
8
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Nippon Steel Corporation | 6238 |
31 |
JFE Steel Corporation | 6840 |
24 |
Nippon Steel & Sumitomo Metal Corporation | 1988 |
7 |
Peugeot Citroen Automobiles SA | 1772 |
7 |
TRUMPF Werkzeugmaschinen GmbH + Co. KG | 548 |
7 |
ThyssenKrupp AG | 3283 |
5 |
ThyssenKrupp Steel Europe AG | 955 |
5 |
Honda Motor Co., Ltd. | 25251 |
4 |
Ford Motor Company | 2706 |
4 |
Hyundai Motor Company | 21987 |
4 |
Kia Motors Corporation | 7754 |
4 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2874 |
4 |
Sumitomo Heavy Industries, Ltd. | 1927 |
4 |
NTN Corporation | 4976 |
3 |
Amada Holdings Co., Ltd. | 278 |
3 |
Contemporary Amperex Technology Co., Limited | 6577 |
3 |
FIBRO GmbH | 126 |
3 |
Noritz Corporation | 277 |
3 |
Salzgitter Flachstahl GmbH | 159 |
3 |
Stolle Machinery Company, LLC | 427 |
3 |
Other owners | 172 |