- 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: 300
10-year publication summary
|
22
|
24
|
23
|
20
|
19
|
22
|
9
|
13
|
11
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Primetals Technologies Austria GmbH | 531 |
32 |
| SMS Siemag Aktiengesellschaft | 505 |
28 |
| JFE Steel Corporation | 6816 |
26 |
| SMS Group GmbH | 1118 |
26 |
| Nippon Steel Corporation | 6207 |
21 |
| Siemens VAI Metals Technologies GmbH | 222 |
19 |
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
19 |
| Aktiebolaget SKF | 2937 |
14 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
12 |
| SMS Demag AG | 107 |
12 |
| POSCO | 2186 |
8 |
| Sumitomo Metal Industries, Ltd. | 383 |
5 |
| Novelis Inc. | 744 |
4 |
| SMS Concast AG | 22 |
4 |
| Georg Springmann Industrie- und Bergbautechnik GmbH | 4 |
3 |
| Siemens AG | 24520 |
2 |
| ALD Vacuum Technologies GmbH | 139 |
2 |
| ATI Properties LLC | 204 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 959 |
2 |
| IHI Corporation | 3416 |
2 |
| Other owners | 57 |