- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 3/02 - Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
Patent holdings for IPC class B21D 3/02
Total number of patents in this class: 102
10-year publication summary
|
4
|
4
|
10
|
7
|
11
|
4
|
5
|
5
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SCHNELL S.p.A. | 91 |
6 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
4 |
| Sumitomo Metal Industries, Ltd. | 378 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
3 |
| United States Steel Corporation | 174 |
3 |
| Hengyang Weili Rebar Machinery Co., Ltd | 4 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8725 |
2 |
| Ford Global Technologies, LLC | 20594 |
2 |
| AlcoTec Wire Corporation | 13 |
2 |
| ARKU Maschinenbau GmbH | 30 |
2 |
| Belvac Production Machinery, Inc. | 156 |
2 |
| Cisdi Engineering Co., Ltd. | 100 |
2 |
| CITIC Dicastal CO., LTD | 560 |
2 |
| Mitsubishi Materials Corporation | 2444 |
2 |
| Nippon Steel Corporation | 6255 |
2 |
| DJI Innovations Pty Ltd | 3 |
2 |
| Daehannetworks Co., Ltd. | 4 |
2 |
| Massive Lab Inc. | 9 |
2 |
| Schlumberger Canada Limited | 7296 |
1 |
| Schlumberger Technology B.v. | 5165 |
1 |
| Other owners | 53 |