- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 11/111 - Treating the molten metal by using protecting powders
Patent holdings for IPC class B22D 11/111
Total number of patents in this class: 56
10-year publication summary
|
4
|
1
|
5
|
1
|
0
|
7
|
2
|
2
|
2
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6932 |
6 |
| POSCO | 2141 |
5 |
| NIPPON STEEL Stainless Steel Corporation | 277 |
4 |
| Bengang Steel Plates Co., Ltd. | 41 |
4 |
| ArcelorMittal | 2714 |
3 |
| Baoshan Iron & Steel Co., Ltd. | 1114 |
3 |
| Northeastern University | 577 |
3 |
| INTECO Special Melting Technologies GmbH | 10 |
2 |
| JFE Steel Corporation | 7589 |
2 |
| Tata Steel Ijmuiden B.V. | 328 |
2 |
| Xixia Longcheng Metallurgical Materials Co., Ltd. | 3 |
2 |
| Kerneos | 30 |
1 |
| Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd. | 84 |
1 |
| Paul Wurth S.A. | 429 |
1 |
| POSCO Co., Ltd. | 2021 |
1 |
| Refratechnik Holding GmbH | 145 |
1 |
| S & B Industrial Minerals GmbH | 10 |
1 |
| Shinagawa Refractories Co., Ltd. | 50 |
1 |
| SMS Siemag Aktiengesellschaft | 484 |
1 |
| Terves, Inc. | 18 |
1 |
| Other owners | 11 |