- 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: 423
10-year publication summary
34
|
26
|
34
|
26
|
24
|
32
|
19
|
20
|
17
|
15
|
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 |
35 |
SMS Group GmbH | 1134 |
33 |
Primetals Technologies Austria GmbH | 544 |
31 |
Novelis Inc. | 762 |
25 |
Nippon Steel Corporation | 6365 |
24 |
SMS Siemag Aktiengesellschaft | 505 |
23 |
JFE Steel Corporation | 6965 |
14 |
SMS Demag AG | 96 |
14 |
Siemens VAI Metals Technologies GmbH | 221 |
12 |
Mitsubishi Materials Corporation | 2469 |
12 |
POSCO | 2181 |
12 |
Baoshan Iron & Steel Co., Ltd. | 968 |
7 |
Nucor Corporation | 419 |
6 |
ABB Schweiz AG | 7070 |
5 |
ArcelorMittal | 2328 |
5 |
Mitsubishi-Hitachi Metals Machinery, Inc. | 55 |
5 |
Rotelec | 19 |
5 |
Kobe Steel, Ltd. | 882 |
4 |
Nippon Steel & Sumitomo Metal Corporation | 1987 |
4 |
POSCO Co., Ltd. | 1574 |
4 |
Other owners | 143 |