- 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 47/22 - Unwinding coils without reels or drums
Patent holdings for IPC class B21C 47/22
Total number of patents in this class: 23
10-year publication summary
|
3
|
2
|
2
|
7
|
0
|
0
|
1
|
2
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SMS Group GmbH | 1136 |
5 |
| Flexsteel USA, LLC | 164 |
4 |
| Primetals Technologies Austria GmbH | 547 |
2 |
| SMS Logistiksysteme GmbH | 15 |
2 |
| Siemens VAI Metals Technologies GmbH | 213 |
1 |
| Butech Bliss | 7 |
1 |
| Flexsteel Pipeline Technologies, Inc. | 9 |
1 |
| Lincoln Global, Inc. | 2144 |
1 |
| Nucor Corporation | 418 |
1 |
| Primetals Technologies USA LLC | 120 |
1 |
| Trinity Bay Equipment Holdings, LLC | 75 |
1 |
| Rtx Corporation | 9556 |
1 |
| ATL Bygg AS | 2 |
1 |
| Romitek AB | 1 |
1 |
| Other owners | 0 |