- 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 51/00 - Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses
Patent holdings for IPC class B21C 51/00
Total number of patents in this class: 510
10-year publication summary
30
|
29
|
26
|
45
|
46
|
46
|
37
|
53
|
35
|
20
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
JFE Steel Corporation | 6067 |
68 |
Nippon Steel Corporation | 5649 |
38 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
18 |
SMS Group GmbH | 1029 |
12 |
Sumitomo Metal Industries, Ltd. | 453 |
11 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
10 |
Danieli & C. Officine Meccaniche S.p.A. | 680 |
9 |
Primetals Technologies Austria GmbH | 479 |
8 |
Primetals Technologies Japan, Ltd. | 143 |
8 |
WAFIOS Aktiengesellschaft | 86 |
7 |
TRUMPF Werkzeugmaschinen GmbH + Co. KG | 585 |
6 |
SMS Siemag Aktiengesellschaft | 529 |
5 |
Komatsu Industries Corporation | 185 |
4 |
Amada Holdings Co., Ltd. | 297 |
4 |
Europipe GmbH | 17 |
4 |
Globus Medical, Inc. | 2463 |
4 |
Sintokogio, Ltd. | 1148 |
4 |
Jiangsu University of Science and Technology | 324 |
4 |
General Electric Company | 18133 |
3 |
Ford Motor Company | 2817 |
3 |
Other owners | 280 |