- All sections
- B - Performing operationstransporting
- B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rollingauxiliary operations used in connection with metal-working without essentially removing material
- B21C 1/22 - Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular articles
Patent holdings for IPC class B21C 1/22
Total number of patents in this class: 90
10-year publication summary
|
7
|
11
|
10
|
9
|
10
|
5
|
10
|
0
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Metal Industries, Ltd. | 391 |
11 |
| MA Aluminum Corporation | 46 |
5 |
| Mitsubishi Aluminum Co., Ltd. | 58 |
4 |
| Sandvik Intellectual Property AB | 1509 |
3 |
| Feinrohren S.p.A. | 6 |
3 |
| Alleima GmbH | 26 |
3 |
| Showa Denko K.K. | 2294 |
2 |
| The Furukawa Electric Co., Ltd. | 3610 |
2 |
| Nippon Steel Corporation | 6097 |
2 |
| Sandvik Materials Technology Deutschland GmbH | 59 |
2 |
| SMS Group GmbH | 1095 |
2 |
| Taiyuan University of Science and Technology | 42 |
2 |
| United States Steel Corporation | 173 |
2 |
| Jiseong Aluminium Co.,Ltd. | 4 |
2 |
| FUJIFILM Business Innovation Corp. | 7557 |
2 |
| Changshu Meili Machinery Manufacturing Co., Ltd | 2 |
2 |
| Hitachi, Ltd. | 15334 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3754 |
1 |
| Del PIA S.r.l. | 8 |
1 |
| Electric Power Research Institute, Inc. | 213 |
1 |
| Other owners | 37 |