- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 11/117 - Refining the metal by treating with gases
Patent holdings for IPC class B22D 11/117
Total number of patents in this class: 55
10-year publication summary
|
6
|
4
|
2
|
3
|
6
|
12
|
2
|
3
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2254 |
5 |
| Nucor Corporation | 416 |
5 |
| Harbisonwalker International, Inc. | 198 |
3 |
| POSCO | 2188 |
3 |
| ATI Properties LLC | 203 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 713 |
2 |
| Hans Tech, LLC | 4 |
2 |
| Nisshin Steel Co., Ltd. | 394 |
2 |
| Northeastern University | 537 |
2 |
| Novelis Inc. | 113 |
2 |
| POSCO Co., Ltd. | 1558 |
2 |
| Southwire Company, LLC | 782 |
2 |
| NIPPON STEEL Stainless Steel Corporation | 287 |
2 |
| Harbisonwalker International Holdings, Inc. | 44 |
2 |
| NGK Insulators, Ltd. | 4943 |
1 |
| Korea Institute of Science and Technology | 2117 |
1 |
| ALCAN Rhenalu | 19 |
1 |
| ATI Properties, Inc. | 99 |
1 |
| BlueScope Steel Limited | 212 |
1 |
| IHI Corporation | 3415 |
1 |
| Other owners | 13 |