- 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 37/16 - Making tubes with varying diameter in longitudinal direction
Patent holdings for IPC class B21C 37/16
Total number of patents in this class: 80
10-year publication summary
|
7
|
6
|
4
|
6
|
5
|
6
|
11
|
4
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6557 |
5 |
| American Axle & Manufacturing, Inc. | 656 |
4 |
| Nippon Steel Corporation | 6012 |
4 |
| U.S. Manufacturing Corporation | 10 |
4 |
| Outokumpu Oyj | 251 |
3 |
| Constellium SINGEN GmbH | 89 |
2 |
| Future Titanium Technology Pty Ltd | 2 |
2 |
| Magna Powertrain GmbH & Co KG | 297 |
2 |
| Metal Forming & Coining Corporation | 8 |
2 |
| Musashi Seimitsu Industry Co., Ltd. | 183 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
| SchmitterGroup AG | 6 |
2 |
| Sumitomo Heavy Industries, Ltd. | 1815 |
2 |
| Tata Steel Limited | 190 |
2 |
| Peter Fuchs Technology Group AG | 2 |
2 |
| Walter Henrich GmbH | 3 |
2 |
| Benteler Steel/Tube GmbH | 36 |
2 |
| Intel Corporation | 46126 |
1 |
| GM Global Technology Operations LLC | 14260 |
1 |
| Aisin Keikinzoku Co., Ltd. | 80 |
1 |
| Other owners | 33 |