- 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 47/04 - Winding-up or coiling on or in reels or drums, without using a moving guide
Patent holdings for IPC class B21C 47/04
Total number of patents in this class: 98
10-year publication summary
|
3
|
3
|
8
|
8
|
5
|
8
|
11
|
21
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| G.D S.p.A. | 1046 |
8 |
| GDM S.p.A. | 84 |
7 |
| Primetals Technologies USA LLC | 116 |
7 |
| Primetals Technologies Austria GmbH | 524 |
6 |
| ArcelorMittal | 2139 |
5 |
| SMS Demag AG | 120 |
5 |
| Siemens VAI Metals Technologies SAS | 66 |
3 |
| Weatherford Technology Holdings, LLC | 2012 |
3 |
| SMS Siemag Aktiengesellschaft | 507 |
3 |
| Siemens VAI Metals Technologies GmbH | 223 |
2 |
| Siemens Industry, Inc. | 1439 |
2 |
| Achenbach Buschhutten GmbH & Co. KG | 42 |
2 |
| JFE Steel Corporation | 6691 |
2 |
| Novelis Inc. | 723 |
2 |
| NV Bekaert SA | 757 |
2 |
| Reel Power Licensing Corp. | 80 |
2 |
| Ridge Tool Company | 128 |
2 |
| SMS Group GmbH | 1101 |
2 |
| HS Products Ltd. | 38 |
2 |
| LEICHT Stanzautomation GmbH | 7 |
2 |
| Other owners | 29 |