- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 28/24 - Perforating, i.e. punching holes
Patent holdings for IPC class B21D 28/24
Total number of patents in this class: 177
10-year publication summary
|
15
|
18
|
9
|
15
|
17
|
11
|
14
|
13
|
11
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Salvagnini Italia S.p.A. | 53 |
10 |
| Milwaukee Electric Tool Corporation | 4481 |
6 |
| Nippon Steel Corporation | 6365 |
5 |
| TRUMPF Werkzeugmaschinen GmbH + Co. KG | 542 |
4 |
| Amada Company, Limited | 572 |
3 |
| Ged Integrated Solutions, Inc. | 122 |
3 |
| Mitsui High-tec, Inc. | 263 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
3 |
| Shandong University | 1055 |
3 |
| Farmer Mold and Machine Works, Inc. | 6 |
3 |
| BEAC Co., Ltd. | 33 |
3 |
| Soenen Technology NV | 7 |
3 |
| Honda Motor Co., Ltd. | 25771 |
2 |
| Toyota Motor Corporation | 32956 |
2 |
| Panasonic Corporation | 20036 |
2 |
| Mitsubishi Electric Corporation | 46547 |
2 |
| President and Fellows of Harvard College | 6002 |
2 |
| Corrada S.p.A. | 21 |
2 |
| Cosma S.r.l. | 7 |
2 |
| Dallan S.p.A. | 73 |
2 |
| Other owners | 112 |