- 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 47/18 - Unwinding or uncoiling from reels or drums
Patent holdings for IPC class B21C 47/18
Total number of patents in this class: 79
10-year publication summary
|
2
|
4
|
12
|
5
|
7
|
6
|
8
|
12
|
5
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 730 |
17 |
| Danieli & C. Officine Meccaniche S.p.A. | 706 |
5 |
| WAFIOS Aktiengesellschaft | 95 |
5 |
| Komatsu Industries Corporation | 171 |
2 |
| Achenbach Buschhutten GmbH & Co. KG | 42 |
2 |
| Heinrich Georg GmbH Maschinenfabrik | 14 |
2 |
| JFE Steel Corporation | 6720 |
2 |
| Lincoln Global, Inc. | 2160 |
2 |
| SMS Demag AG | 117 |
2 |
| Opterus Research and Development, Inc. | 31 |
2 |
| Wisdri Engineering & Research Incorporation Limited | 193 |
2 |
| Promostar S.r.l. | 2 |
2 |
| Illinois Tool Works Inc. | 11370 |
1 |
| Bridgestone Corporation | 7200 |
1 |
| Siemens VAI Metals Technologies GmbH | 223 |
1 |
| Siemens VAI Metals Technologies SAS | 66 |
1 |
| Morgan Construction Company | 1 |
1 |
| Siemens Industry, Inc. | 1441 |
1 |
| Amada Company, Limited | 553 |
1 |
| Butech Bliss | 7 |
1 |
| Other owners | 26 |