- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 1/18 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling wire or material of like small cross-section in a continuous process
Patent holdings for IPC class B21B 1/18
Total number of patents in this class: 47
10-year publication summary
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2
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3
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4
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2
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1
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2
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4
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5
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5
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danieli & C. Officine Meccaniche S.p.A. | 705 |
7 |
| Siemens Industry, Inc. | 1441 |
4 |
| Hilti Aktiengesellschaft | 3427 |
2 |
| Jiangsu University | 1085 |
2 |
| Primetals Technologies Austria GmbH | 524 |
2 |
| Primetals Technologies Germany GmbH | 198 |
2 |
| SMS Meer S.p.A. | 9 |
2 |
| Siemens AG | 24542 |
1 |
| Toshiba Corporation | 12253 |
1 |
| Robert Bosch GmbH | 42296 |
1 |
| The Yokohama Rubber Co., Ltd. | 4002 |
1 |
| Aktiebolaget SKF | 2913 |
1 |
| Hyundai Steel Company | 384 |
1 |
| JFE Steel Corporation | 6708 |
1 |
| Jiangsu Xingda Steel Tyre Cord Co., Ltd. | 43 |
1 |
| LS Cable & System Ltd. | 370 |
1 |
| Mitsubishi Materials Corporation | 2417 |
1 |
| Ningxia Orient Tantalum Industry Co., Ltd. | 52 |
1 |
| NV Bekaert SA | 754 |
1 |
| Pert S.r.l. | 3 |
1 |
| Other owners | 13 |