- 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 37/04 - Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided forManufacture of tubes of special shape of rods or wire
Patent holdings for IPC class B21C 37/04
Total number of patents in this class: 168
10-year publication summary
13
|
15
|
13
|
14
|
13
|
15
|
12
|
8
|
13
|
3
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NV Bekaert SA | 758 |
6 |
The Electric Materials Company | 5 |
4 |
Jiangsu Zhongtian Technology Co., Ltd. | 114 |
3 |
Wieland-Werke AG | 325 |
3 |
Stock Company "chepetsky Mechanical Plant" (sc Cmp) | 9 |
3 |
Chongqing Materials Research Institute Co., Ltd | 3 |
3 |
Tre Tau Engineering S.r.l. | 24 |
3 |
Illinois Tool Works Inc. | 11414 |
2 |
The Boeing Company | 19930 |
2 |
Sumitomo Electric Industries, Ltd. | 15033 |
2 |
Medtronic, Inc. | 9850 |
2 |
Yazaki Corporation | 6495 |
2 |
Massachusetts Institute of Technology | 9929 |
2 |
Applied Composite Material LLC | 4 |
2 |
Aubert & Duval | 108 |
2 |
AZZ WSI LLC | 20 |
2 |
Cleveland State University | 78 |
2 |
Del PIA S.r.l. | 8 |
2 |
Fuji Filter Manufacturing Co., Ltd. | 54 |
2 |
Hacanoka GmbH | 14 |
2 |
Other owners | 117 |