- 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 1/22 - Metal drawing by machines or apparatus in which the drawing action is effected by means other than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, rods or tubes specially adapted for making tubular articles
Patent holdings for IPC class B21C 1/22
Total number of patents in this class: 90
10-year publication summary
3
|
7
|
11
|
10
|
9
|
10
|
5
|
10
|
0
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumitomo Metal Industries, Ltd. | 453 |
11 |
MA Aluminum Corporation | 45 |
5 |
Mitsubishi Aluminum Co., Ltd. | 58 |
4 |
Showa Denko K.K. | 2539 |
3 |
Sandvik Intellectual Property AB | 1634 |
3 |
Feinrohren S.p.A. | 6 |
3 |
Alleima GmbH | 24 |
3 |
The Furukawa Electric Co., Ltd. | 3486 |
2 |
Nippon Steel Corporation | 5649 |
2 |
Sandvik Materials Technology Deutschland GmbH | 60 |
2 |
SMS Group GmbH | 1029 |
2 |
Taiyuan University of Science and Technology | 36 |
2 |
United States Steel Corporation | 168 |
2 |
Jiseong Aluminium Co.,Ltd. | 4 |
2 |
FUJIFILM Business Innovation Corp. | 7395 |
2 |
Changshu Meili Machinery Manufacturing Co., Ltd | 2 |
2 |
Hitachi, Ltd. | 16452 |
1 |
National Institute of Advanced Industrial Science and Technology | 3677 |
1 |
Del PIA S.r.l. | 8 |
1 |
Electric Power Research Institute, Inc. | 223 |
1 |
Other owners | 36 |