- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 11/128 - Accessories for subsequent treating or working cast stock in situ for removing
Patent holdings for IPC class B22D 11/128
Total number of patents in this class: 297
10-year publication summary
|
21
|
23
|
23
|
19
|
19
|
21
|
9
|
12
|
11
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7074 |
32 |
| Primetals Technologies Austria GmbH | 552 |
32 |
| SMS Siemag Aktiengesellschaft | 500 |
27 |
| SMS Group GmbH | 1142 |
26 |
| Nippon Steel Corporation | 6514 |
21 |
| Danieli & C. Officine Meccaniche S.p.A. | 714 |
18 |
| Siemens VAI Metals Technologies GmbH | 212 |
16 |
| Aktiebolaget SKF | 3023 |
14 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
12 |
| SMS Demag AG | 82 |
9 |
| POSCO | 2173 |
8 |
| Sumitomo Metal Industries, Ltd. | 360 |
5 |
| Novelis Inc. | 769 |
4 |
| SMS Concast AG | 22 |
4 |
| Siemens AG | 24333 |
2 |
| ALD Vacuum Technologies GmbH | 138 |
2 |
| ATI Properties LLC | 203 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 997 |
2 |
| Georg Springmann Industrie- und Bergbautechnik GmbH | 3 |
2 |
| IHI Corporation | 3471 |
2 |
| Other owners | 57 |