- 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: 237
10-year publication summary
|
9
|
15
|
26
|
17
|
15
|
16
|
6
|
14
|
13
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7527 |
27 |
| Primetals Technologies Austria GmbH | 573 |
20 |
| SMS Siemag Aktiengesellschaft | 486 |
18 |
| SMS Group GmbH | 1197 |
15 |
| Nippon Steel Corporation | 6871 |
13 |
| Novelis Inc. | 779 |
13 |
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
12 |
| ArcelorMittal | 2672 |
9 |
| POSCO | 2143 |
8 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
6 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12369 |
5 |
| Ebds Engineering | 7 |
5 |
| Showa Denko K.K. | 2069 |
4 |
| Ergolines Lab S.r.l. | 22 |
4 |
| POSCO Co., Ltd. | 2012 |
4 |
| Toyota Motor Corporation | 35772 |
3 |
| Danieli Automation SpA | 128 |
3 |
| Norsk Hydro ASA | 247 |
3 |
| Retech Systems LLC | 15 |
3 |
| Siemens VAI Metals Technologies GmbH | 204 |
2 |
| Other owners | 60 |