- 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 9/00 - Cooling, heating or lubricating drawing material
Patent holdings for IPC class B21C 9/00
Total number of patents in this class: 108
10-year publication summary
18
|
7
|
11
|
6
|
6
|
5
|
6
|
6
|
3
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2905 |
5 |
Nihon Parkerizing Co., Ltd. | 282 |
5 |
Southwire Company, LLC | 767 |
5 |
Everix, Inc. | 19 |
4 |
Nippon Steel Corporation | 5955 |
4 |
Showa Denko K.K. | 2366 |
3 |
Sumitomo Metal Industries, Ltd. | 426 |
3 |
Sumitomo (SEI) Steel Wire Corp. | 45 |
3 |
Sumitomo Electric Industries, Ltd. | 14699 |
2 |
Yazaki Corporation | 6414 |
2 |
Panasonic Intellectual Property Management Co., Ltd. | 29145 |
2 |
Sumitomo Wiring Systems, Ltd. | 9825 |
2 |
AutoNetworks Technologies, Ltd. | 6164 |
2 |
Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
Paramount Die Co., Inc. | 6 |
2 |
Sumitomo Electric Tochigi Co., Ltd. | 31 |
2 |
Tata Steel Limited | 189 |
2 |
Vallourec Tubos do Brasil S.A. | 12 |
2 |
Vassena Filiere s.r.l. | 5 |
2 |
Alleima GmbH | 26 |
2 |
Other owners | 52 |