- 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 47/02 - Winding-up or coiling
Patent holdings for IPC class B21C 47/02
Total number of patents in this class: 149
10-year publication summary
9
|
6
|
3
|
7
|
8
|
12
|
8
|
21
|
38
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
POSCO Co., Ltd. | 1059 |
28 |
JFE Steel Corporation | 6067 |
13 |
Nippon Steel Corporation | 5649 |
11 |
POSCO | 2222 |
6 |
Murata Machinery, Ltd. | 1386 |
5 |
ArcelorMittal | 1887 |
4 |
Hyundai Steel Company | 310 |
4 |
Atom Alloys Ltd. | 8 |
4 |
Hitachi Metals, Ltd. | 2175 |
3 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
3 |
Siemens AG | 24990 |
2 |
Baoshan Iron & Steel Co., Ltd. | 832 |
2 |
Cap Technologies, LLC | 9 |
2 |
Contemporary Amperex Technology Co., Limited | 5805 |
2 |
Lincoln Global, Inc. | 2180 |
2 |
Pacific Roller Die Company, Inc. | 4 |
2 |
Praxair S.T. Technology, Inc. | 133 |
2 |
SMS Group GmbH | 1029 |
2 |
Nittoku Co., Ltd. | 47 |
2 |
Schaeffler Elmotec Statomat GmbH | 12 |
2 |
Other owners | 48 |