- 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 37/16 - Making tubes with varying diameter in longitudinal direction
Patent holdings for IPC class B21C 37/16
Total number of patents in this class: 81
10-year publication summary
|
6
|
4
|
6
|
4
|
4
|
10
|
4
|
3
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7213 |
5 |
| American Axle & Manufacturing, Inc. | 646 |
4 |
| Nippon Steel Corporation | 6616 |
3 |
| Outokumpu Oyj | 263 |
3 |
| Constellium SINGEN GmbH | 103 |
2 |
| Future Titanium Technology Pty Ltd | 2 |
2 |
| Magna Powertrain GmbH & Co KG | 337 |
2 |
| Metal Forming & Coining Corporation | 7 |
2 |
| Musashi Seimitsu Industry Co., Ltd. | 197 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1985 |
2 |
| Sango Co., Ltd. | 72 |
2 |
| SchmitterGroup AG | 4 |
2 |
| Sumitomo Heavy Industries, Ltd. | 2015 |
2 |
| Tata Steel Limited | 168 |
2 |
| U.S. Manufacturing Corporation | 8 |
2 |
| Peter Fuchs Technology Group AG | 2 |
2 |
| The U.S. Manufacturing Corporation | 2 |
2 |
| Walter Henrich GmbH | 4 |
2 |
| Benteler Steel/Tube GmbH | 33 |
2 |
| Metal Forming & Coining, LLC | 16 |
2 |
| Other owners | 34 |