- All sections
- B - Performing operations; transporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; punching metal
- B21D 13/04 - Corrugating sheet metal, rods or profiles, or bending sheet metal, rods or profiles into wave form by rolling
Patent holdings for IPC class B21D 13/04
Total number of patents in this class: 116
10-year publication summary
|
6
|
11
|
4
|
12
|
9
|
6
|
4
|
2
|
6
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hadley Industries Overseas Holdings Limited | 39 |
8 |
| Denso Corporation | 23338 |
4 |
| Mitsubishi Electric Corporation | 43934 |
4 |
| Nissan Motor Co., Ltd. | 12249 |
3 |
| Amogreentech Co., Ltd. | 566 |
3 |
| Toyota Shatai Kabushiki Kaisha | 442 |
3 |
| Vahterus Oy | 67 |
3 |
| Hyundai Motor Company | 19021 |
2 |
| Bailey Metal Products Limited | 86 |
2 |
| BlueScope Steel Limited | 223 |
2 |
| Boegli-Gravures S.A. | 101 |
2 |
| Calsonic Kansei Corporation | 686 |
2 |
| IHI Corporation | 3268 |
2 |
| IHI Metaltech Co., Ltd. | 13 |
2 |
| Magna International Inc. | 1236 |
2 |
| M.I.C. Industries, Inc. | 24 |
2 |
| Nichias Corporation | 386 |
2 |
| Outokumpu Nirosta GmbH | 21 |
2 |
| Sanwa Packing Industry Co., Ltd. | 9 |
2 |
| Taiyuan University of Science and Technology | 36 |
2 |
| Other owners | 62 |