- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 11/115 - Treating the molten metal by using agitating or vibrating means by using magnetic fields
Patent holdings for IPC class B22D 11/115
Total number of patents in this class: 248
10-year publication summary
|
20
|
25
|
16
|
26
|
25
|
17
|
10
|
12
|
12
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6843 |
27 |
| JFE Steel Corporation | 7508 |
25 |
| ABB Schweiz AG | 7590 |
14 |
| Novelis Inc. | 779 |
13 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
9 |
| Rotelec | 17 |
9 |
| Zmag, Ltd. | 20 |
9 |
| Ergolines Lab S.r.l. | 22 |
8 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
6 |
| Sumitomo Metal Industries, Ltd. | 317 |
6 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2831 |
5 |
| Primetals Technologies Austria GmbH | 573 |
5 |
| Northeastern University | 573 |
4 |
| POSCO | 2147 |
4 |
| SMS Siemag Aktiengesellschaft | 486 |
4 |
| Southwire Company, LLC | 810 |
4 |
| Jiangsu Shagang Group Co., Ltd. | 112 |
4 |
| Changzhou Zenith Special Steel Co., Ltd. | 12 |
4 |
| Zenith Steel Group Co., Ltd. | 12 |
4 |
| ABB AB | 134 |
3 |
| Other owners | 81 |