- All sections
- B - Performing operations; transporting
- B22D - Casting of metals; casting of other substances by the same processes or devices
- B22D 11/11 - Treating the molten metal
Patent holdings for IPC class B22D 11/11
Total number of patents in this class: 113
10-year publication summary
|
13
|
14
|
15
|
5
|
7
|
10
|
5
|
4
|
6
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6067 |
15 |
| Nippon Steel Corporation | 5649 |
11 |
| Nucor Corporation | 425 |
7 |
| POSCO | 2222 |
7 |
| Mitsubishi Materials Corporation | 2378 |
5 |
| Kobe Steel, Ltd. | 912 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
4 |
| Nisshin Steel Co., Ltd. | 401 |
4 |
| Sumitomo Metal Industries, Ltd. | 453 |
4 |
| Baoshan Iron & Steel Co., Ltd. | 832 |
3 |
| Novelis Inc. | 656 |
3 |
| NIPPON STEEL Stainless Steel Corporation | 254 |
3 |
| ABB Schweiz AG | 6321 |
2 |
| BlueScope Steel Limited | 223 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
2 |
| Ebis Corporation | 4 |
2 |
| Foseco International Limited | 204 |
2 |
| IHI Corporation | 3268 |
2 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
| Krosakiharima Corporation | 259 |
2 |
| Other owners | 27 |