- 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 28/24 - Perforating, i.e. punching holes
Patent holdings for IPC class B21D 28/24
Total number of patents in this class: 165
10-year publication summary
|
11
|
16
|
20
|
10
|
16
|
17
|
11
|
13
|
14
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Salvagnini Italia S.p.A. | 52 |
10 |
| TRUMPF Werkzeugmaschinen GmbH + Co. KG | 585 |
4 |
| Ged Integrated Solutions, Inc. | 131 |
3 |
| Milwaukee Electric Tool Corporation | 3572 |
3 |
| Mitsui High-tec, Inc. | 265 |
3 |
| Nippon Steel Corporation | 5649 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
3 |
| Shandong University | 886 |
3 |
| Farmer Mold and Machine Works, Inc. | 6 |
3 |
| BEAC Co., Ltd. | 37 |
3 |
| Soenen Technology NV | 6 |
3 |
| Honda Motor Co., Ltd. | 24537 |
2 |
| Toyota Motor Corporation | 28582 |
2 |
| Panasonic Corporation | 20786 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| President and Fellows of Harvard College | 5792 |
2 |
| Amada Company, Limited | 492 |
2 |
| Corrada S.p.A. | 20 |
2 |
| Cosma S.r.l. | 7 |
2 |
| JFE Steel Corporation | 6067 |
2 |
| Other owners | 106 |