- 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 7/00 - Modifying the physical properties of iron or steel by deformation
Patent holdings for IPC class C21D 7/00
Total number of patents in this class: 71
10-year publication summary
|
2
|
4
|
1
|
5
|
4
|
4
|
0
|
3
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2402 |
3 |
| ArcelorMittal France | 88 |
3 |
| JFE Steel Corporation | 7074 |
3 |
| Nippon Steel Corporation | 6514 |
3 |
| The Boeing Company | 20186 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3798 |
2 |
| Safran Aircraft Engines | 6410 |
2 |
| United States Steel Corporation | 175 |
2 |
| Europe Technologies | 19 |
2 |
| AVIC Manufacturing Technology Institute | 9 |
2 |
| Honda Motor Co., Ltd. | 25784 |
1 |
| SNECMA S.A. | 1148 |
1 |
| ExxonMobil Research And Engineering Company | 2537 |
1 |
| United Technologies Corporation | 2233 |
1 |
| Abbott Cardiovascular Systems, Inc. | 1108 |
1 |
| Caterpillar Inc. | 9852 |
1 |
| Massachusetts Institute of Technology | 10150 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2804 |
1 |
| Dai Nippon Printing Co., Ltd. | 4145 |
1 |
| Schaeffler Technologies AG & Co. KG | 10352 |
1 |
| Other owners | 37 |