- 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 1/24 - 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 by means of mandrels
Patent holdings for IPC class B21C 1/24
Total number of patents in this class: 82
10-year publication summary
|
9
|
8
|
10
|
9
|
2
|
2
|
3
|
2
|
3
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6911 |
7 |
| SMS Group GmbH | 1203 |
6 |
| Sumitomo Metal Industries, Ltd. | 315 |
5 |
| Felss Systems GmbH | 24 |
4 |
| AAM North America, Inc. | 5 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 721 |
3 |
| ArcelorMittal Tubular Products Canada G.P. | 11 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
2 |
| BIOTRONIK AG | 446 |
2 |
| JFE Steel Corporation | 7562 |
2 |
| Neturen Co., Ltd. | 198 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
2 |
| L&W Inc. | 4 |
2 |
| Viant AS&O Holdings, LLC | 109 |
2 |
| Biotyx Medical (Shenzhen) Co., Ltd. | 76 |
2 |
| Lockheed Martin Corporation | 3256 |
1 |
| Showa Denko K.K. | 2067 |
1 |
| NSK Ltd. | 2834 |
1 |
| Federal-Mogul Valvetrain GmbH | 62 |
1 |
| Jong Hoon Jung | 1 |
1 |
| Other owners | 29 |