- 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 37/00 - Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided forManufacture of tubes of special shape
Patent holdings for IPC class B21C 37/00
Total number of patents in this class: 111
10-year publication summary
|
7
|
11
|
11
|
11
|
11
|
3
|
5
|
3
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chang Chun Petrochemical Co., Ltd. | 114 |
12 |
| JX Nippon Mining & Metals Corporation | 1489 |
8 |
| Nippon Steel Corporation | 6220 |
4 |
| The Furukawa Electric Co., Ltd. | 3645 |
3 |
| Co-Tech Development Corporation | 8 |
3 |
| Aisin Keikinzoku Co., Ltd. | 83 |
2 |
| Berndorf Band GmbH | 114 |
2 |
| Cent & Cent GmbH & Co KG | 6 |
2 |
| Furukawa Automotive Systems Inc. | 587 |
2 |
| Metglas, Inc. | 48 |
2 |
| Micrometal Technologies, Inc. | 10 |
2 |
| Nisshin Steel Co., Ltd. | 394 |
2 |
| Ohio University | 366 |
2 |
| ThyssenKrupp Steel Europe AG | 954 |
2 |
| Lotte Energy Materials Corporation | 40 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3551 |
1 |
| Daimler AG | 3394 |
1 |
| Continental Automotive GmbH | 5009 |
1 |
| Aesculap AG | 1389 |
1 |
| Aker Solutions AS | 240 |
1 |
| Other owners | 56 |