- 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: 97
10-year publication summary
|
3
|
3
|
8
|
8
|
5
|
8
|
11
|
20
|
4
|
1
|
| 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. | 996 |
7 |
| GDM S.p.A. | 68 |
7 |
| Primetals Technologies USA LLC | 118 |
7 |
| Primetals Technologies Austria GmbH | 512 |
6 |
| ArcelorMittal | 2064 |
5 |
| SMS Demag AG | 129 |
5 |
| Siemens VAI Metals Technologies SAS | 67 |
3 |
| Weatherford Technology Holdings, LLC | 2109 |
3 |
| SMS Siemag Aktiengesellschaft | 515 |
3 |
| Siemens VAI Metals Technologies GmbH | 226 |
2 |
| Siemens Industry, Inc. | 1430 |
2 |
| Achenbach Buschhutten GmbH & Co. KG | 39 |
2 |
| JFE Steel Corporation | 6557 |
2 |
| Novelis Inc. | 705 |
2 |
| NV Bekaert SA | 758 |
2 |
| Reel Power Licensing Corp. | 78 |
2 |
| Ridge Tool Company | 128 |
2 |
| SMS Group GmbH | 1080 |
2 |
| HS Products Ltd. | 38 |
2 |
| LEICHT Stanzautomation GmbH | 7 |
2 |
| Other owners | 29 |