- 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
|
13
|
20
|
25
|
16
|
26
|
25
|
17
|
10
|
12
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6203 |
29 |
| JFE Steel Corporation | 6809 |
22 |
| Novelis Inc. | 742 |
15 |
| ABB Schweiz AG | 6917 |
13 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
9 |
| Ergolines Lab S.r.l. | 23 |
8 |
| Rotelec | 18 |
8 |
| Zmag, Ltd. | 19 |
8 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2877 |
7 |
| ABB AB | 169 |
6 |
| Danieli & C. Officine Meccaniche S.p.A. | 715 |
6 |
| Sumitomo Metal Industries, Ltd. | 386 |
6 |
| Primetals Technologies Austria GmbH | 530 |
5 |
| Northeastern University | 537 |
4 |
| POSCO | 2188 |
4 |
| SMS Siemag Aktiengesellschaft | 506 |
4 |
| Southwire Company, LLC | 783 |
4 |
| Changzhou Zenith Special Steel Co., Ltd. | 11 |
4 |
| Zenith Steel Group Co., Ltd. | 11 |
4 |
| ArcelorMittal | 2271 |
3 |
| Other owners | 79 |