- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 43/22 - Devices for piling sheets
Patent holdings for IPC class B21D 43/22
Total number of patents in this class: 67
10-year publication summary
|
2
|
5
|
6
|
13
|
6
|
2
|
4
|
5
|
7
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46093 |
6 |
| Amada Holdings Co., Ltd. | 278 |
3 |
| Hidaka Seiki Kabushiki Kaisha | 60 |
3 |
| Hoden Seimitsu Kako Kenkyusho Co., Ltd. | 40 |
3 |
| Mitsui High-tec, Inc. | 265 |
3 |
| Delaco Steel Corp. | 4 |
3 |
| POSCO Mobility Solution Corporation | 11 |
3 |
| Nissan Motor Co., Ltd. | 12484 |
2 |
| ABB Technology AG | 1255 |
2 |
| Bruderer AG | 31 |
2 |
| Corrada S.p.A. | 21 |
2 |
| G-Tekt Corporation | 42 |
2 |
| Heinrich Georg GmbH Maschinenfabrik | 17 |
2 |
| Kabushiki Kaisha F.C.C. | 371 |
2 |
| Murata Machinery, Ltd. | 1498 |
2 |
| Sankyo Seisakusho Co. | 57 |
2 |
| Voestalpine Stahl GmbH | 355 |
2 |
| Siemens Gamesa Renewable Energy A/S | 1880 |
2 |
| voestalpine Automotive Components Dettingen GmbH & Co. KG | 25 |
2 |
| GM Global Technology Operations LLC | 15042 |
1 |
| Other owners | 18 |