- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 11/20 - Controlling or regulating processes or operations for removing cast stock
Patent holdings for IPC class B22D 11/20
Total number of patents in this class: 227
10-year publication summary
|
15
|
9
|
15
|
26
|
17
|
15
|
16
|
6
|
14
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6816 |
23 |
| SMS Siemag Aktiengesellschaft | 505 |
20 |
| Primetals Technologies Austria GmbH | 531 |
19 |
| Novelis Inc. | 744 |
16 |
| Nippon Steel Corporation | 6207 |
12 |
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
11 |
| SMS Group GmbH | 1118 |
11 |
| ArcelorMittal | 2272 |
9 |
| POSCO | 2186 |
8 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
6 |
| Showa Denko K.K. | 2249 |
5 |
| SMS Demag AG | 107 |
5 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12821 |
5 |
| Ergolines Lab S.r.l. | 23 |
4 |
| Ebds Engineering | 5 |
4 |
| Toyota Motor Corporation | 31819 |
3 |
| Danieli Automation SpA | 122 |
3 |
| Norsk Hydro ASA | 260 |
3 |
| Retech Systems LLC | 15 |
3 |
| Siemens VAI Metals Technologies GmbH | 222 |
2 |
| Other owners | 55 |