- All sections
- C - Chemistrymetallurgy
- C21D - Modifying the physical structure of ferrous metalsgeneral devices for heat treatment of ferrous or non-ferrous metals or alloysmaking metal malleable, e.g. by decarburisation or tempering
- C21D 7/10 - Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
Patent holdings for IPC class C21D 7/10
Total number of patents in this class: 87
10-year publication summary
|
7
|
4
|
5
|
6
|
2
|
9
|
4
|
1
|
3
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7508 |
6 |
| Nippon Steel Corporation | 6843 |
6 |
| Morgan Advanced Ceramics, Inc. | 44 |
3 |
| United States Steel Corporation | 172 |
3 |
| Webco Industries, Inc. | 33 |
3 |
| voestalpine Böhler Edelstahl GmbH & Co KG | 65 |
3 |
| NTN Corporation | 4915 |
2 |
| Groz-Beckert KG | 367 |
2 |
| Renishaw plc | 760 |
2 |
| RLS Merilna Tehnika d.o.o. | 25 |
2 |
| Salzgitter Flachstahl GmbH | 163 |
2 |
| SANYO Special Steel Co., Ltd. | 246 |
2 |
| ThyssenKrupp Steel Europe AG | 989 |
2 |
| Voestalpine Metal Forming GmbH | 84 |
2 |
| Compagnie Generale des Etablissements Michelin | 4969 |
2 |
| Hyundai Motor Company | 24602 |
1 |
| Yazaki Corporation | 7097 |
1 |
| Bridgestone Corporation | 7251 |
1 |
| Kia Motors Corporation | 7718 |
1 |
| Hilti Aktiengesellschaft | 3662 |
1 |
| Other owners | 40 |