- All sections
- B - Performing operations; transporting
- B22D - Casting of metals; casting 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: 414
10-year publication summary
43
|
35
|
28
|
40
|
28
|
24
|
32
|
20
|
19
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Danieli & C. Officine Meccaniche S.p.A. | 680 |
34 |
SMS Group GmbH | 1029 |
30 |
Novelis Inc. | 656 |
24 |
Primetals Technologies Austria GmbH | 479 |
24 |
SMS Siemag Aktiengesellschaft | 529 |
24 |
Nippon Steel Corporation | 5649 |
23 |
SMS Demag AG | 171 |
16 |
JFE Steel Corporation | 6067 |
13 |
Siemens VAI Metals Technologies GmbH | 233 |
12 |
Mitsubishi Materials Corporation | 2378 |
12 |
POSCO | 2222 |
12 |
Baoshan Iron & Steel Co., Ltd. | 832 |
7 |
Nucor Corporation | 425 |
7 |
Siemens AG | 24990 |
5 |
ABB Schweiz AG | 6321 |
5 |
Mitsubishi-Hitachi Metals Machinery, Inc. | 61 |
5 |
Rotelec | 18 |
5 |
ArcelorMittal | 1887 |
4 |
Kobe Steel, Ltd. | 912 |
4 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
4 |
Other owners | 144 |