- All sections
- B - Performing operations; transporting
- B22D - Casting of metals; casting of other substances by the same processes or devices
- B22D 11/18 - Controlling or regulating processes or operations for pouring
Patent holdings for IPC class B22D 11/18
Total number of patents in this class: 251
10-year publication summary
|
13
|
14
|
22
|
18
|
30
|
25
|
17
|
31
|
11
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 656 |
30 |
| SMS Siemag Aktiengesellschaft | 529 |
12 |
| JFE Steel Corporation | 6067 |
11 |
| Primetals Technologies Austria GmbH | 479 |
11 |
| Nippon Steel Corporation | 5649 |
9 |
| Nucor Corporation | 425 |
9 |
| ABB Schweiz AG | 6321 |
7 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
7 |
| Norsk Hydro ASA | 288 |
7 |
| Almex USA, Inc. | 21 |
6 |
| Krosakiharima Corporation | 259 |
6 |
| POSCO | 2222 |
6 |
| Wagstaff, Inc. | 62 |
6 |
| Baoshan Iron & Steel Co., Ltd. | 832 |
5 |
| BlueScope Steel Limited | 223 |
5 |
| IHI Corporation | 3268 |
5 |
| Shinagawa Refractories Co., Ltd. | 55 |
5 |
| ArcelorMittal | 1887 |
4 |
| Danieli Automation SpA | 109 |
4 |
| SMS Group GmbH | 1029 |
4 |
| Other owners | 92 |