- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 41/50 - Pouring-nozzles
Patent holdings for IPC class B22D 41/50
Total number of patents in this class: 303
10-year publication summary
|
17
|
15
|
18
|
12
|
18
|
11
|
15
|
28
|
17
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vesuvius Group S.A. | 111 |
43 |
| Krosakiharima Corporation | 296 |
36 |
| Refractory Intellectual Property GmbH & Co. KG | 564 |
25 |
| ArcelorMittal | 2663 |
24 |
| Shinagawa Refractories Co., Ltd. | 50 |
12 |
| Novelis Inc. | 779 |
10 |
| Nippon Steel Corporation | 6843 |
8 |
| Vesuvius Crucible Company | 30 |
8 |
| POSCO | 2147 |
7 |
| AK Steel Properties, Inc. | 74 |
6 |
| IHI Corporation | 3532 |
5 |
| JFE Steel Corporation | 7508 |
5 |
| Nucor Corporation | 418 |
5 |
| BlueScope Steel Limited | 211 |
4 |
| Foseco International Limited | 215 |
4 |
| SMS Group GmbH | 1194 |
4 |
| Stopinc Aktiengesellschaft | 32 |
4 |
| Techcom GmbH | 8 |
4 |
| Vesuvius USA Corporation | 93 |
4 |
| Akechi Ceramics Co., Ltd. | 10 |
3 |
| Other owners | 82 |