- 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: 312
10-year publication summary
|
26
|
30
|
33
|
19
|
25
|
24
|
21
|
18
|
13
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6651 |
33 |
| JFE Steel Corporation | 7235 |
25 |
| Nippon Steel & Sumitomo Metal Corporation | 1985 |
7 |
| Peugeot Citroen Automobiles SA | 1705 |
7 |
| TRUMPF Werkzeugmaschinen GmbH + Co. KG | 533 |
7 |
| Hyundai Motor Company | 23382 |
5 |
| Sumitomo Heavy Industries, Ltd. | 2022 |
5 |
| ThyssenKrupp AG | 3426 |
5 |
| ThyssenKrupp Steel Europe AG | 976 |
5 |
| Honda Motor Co., Ltd. | 25804 |
4 |
| Ford Motor Company | 2690 |
4 |
| Kia Motors Corporation | 7738 |
4 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2851 |
4 |
| NTN Corporation | 4936 |
3 |
| Amada Holdings Co., Ltd. | 275 |
3 |
| Contemporary Amperex Technology Co., Limited | 8705 |
3 |
| FIBRO GmbH | 112 |
3 |
| Noritz Corporation | 287 |
3 |
| Salzgitter Flachstahl GmbH | 161 |
3 |
| Stolle Machinery Company, LLC | 463 |
3 |
| Other owners | 176 |