- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 11/12 - Accessories for subsequent treating or working cast stock in situ
Patent holdings for IPC class B22D 11/12
Total number of patents in this class: 421
10-year publication summary
|
35
|
28
|
40
|
28
|
24
|
32
|
20
|
21
|
17
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
36 |
| SMS Group GmbH | 1127 |
33 |
| Primetals Technologies Austria GmbH | 534 |
30 |
| Novelis Inc. | 751 |
25 |
| SMS Siemag Aktiengesellschaft | 505 |
24 |
| Nippon Steel Corporation | 6255 |
23 |
| JFE Steel Corporation | 6852 |
14 |
| SMS Demag AG | 105 |
14 |
| Siemens VAI Metals Technologies GmbH | 222 |
12 |
| Mitsubishi Materials Corporation | 2444 |
12 |
| POSCO | 2187 |
12 |
| Baoshan Iron & Steel Co., Ltd. | 963 |
7 |
| Nucor Corporation | 413 |
6 |
| ABB Schweiz AG | 6976 |
5 |
| ArcelorMittal | 2289 |
5 |
| Mitsubishi-Hitachi Metals Machinery, Inc. | 55 |
5 |
| Rotelec | 19 |
5 |
| Kobe Steel, Ltd. | 872 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
4 |
| POSCO Co., Ltd. | 1568 |
4 |
| Other owners | 141 |