- 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: 424
10-year publication summary
35
|
28
|
40
|
28
|
24
|
32
|
20
|
21
|
17
|
9
|
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. | 714 |
36 |
SMS Group GmbH | 1125 |
33 |
Primetals Technologies Austria GmbH | 532 |
30 |
Novelis Inc. | 750 |
25 |
SMS Siemag Aktiengesellschaft | 505 |
24 |
Nippon Steel Corporation | 6238 |
23 |
SMS Demag AG | 106 |
14 |
JFE Steel Corporation | 6840 |
13 |
Siemens VAI Metals Technologies GmbH | 222 |
12 |
Mitsubishi Materials Corporation | 2443 |
12 |
POSCO | 2186 |
12 |
Baoshan Iron & Steel Co., Ltd. | 964 |
7 |
Nucor Corporation | 416 |
7 |
ABB Schweiz AG | 6969 |
5 |
ArcelorMittal | 2285 |
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 | 144 |