- All sections
- B - Performing operations; transporting
- B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling; auxiliary 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: 20
10-year publication summary
2
|
3
|
2
|
3
|
7
|
0
|
0
|
1
|
1
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
SMS Group GmbH | 1061 |
4 |
Trinity Bay Equipment Holdings, LLC | 109 |
3 |
Primetals Technologies Austria GmbH | 504 |
2 |
SMS Logistiksysteme GmbH | 16 |
2 |
Flexsteel Pipeline Technologies, LLC | 135 |
2 |
Siemens VAI Metals Technologies GmbH | 228 |
1 |
Butech Bliss | 7 |
1 |
Flexsteel Pipeline Technologies, Inc. | 10 |
1 |
Nucor Corporation | 427 |
1 |
Primetals Technologies USA LLC | 118 |
1 |
Rtx Corporation | 8988 |
1 |
Yeminy Inc. | 2 |
1 |
Other owners | 0 |