- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 11/118 - Refining the metal by circulating the metal under, over or around weirs
Patent holdings for IPC class B22D 11/118
Total number of patents in this class: 31
10-year publication summary
|
1
|
3
|
1
|
3
|
2
|
3
|
7
|
0
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 2720 |
3 |
| Baoshan Iron & Steel Co., Ltd. | 1115 |
3 |
| Novelis Inc. | 784 |
3 |
| Harbisonwalker International, Inc. | 245 |
2 |
| Vesuvius Group S.A. | 111 |
2 |
| Vesuvius USA Corporation | 93 |
2 |
| Harbisonwalker International Holdings, Inc. | 57 |
2 |
| Siemens VAI Metals Technologies GmbH | 204 |
1 |
| Foseco International Limited | 216 |
1 |
| JFE Steel Corporation | 7599 |
1 |
| Krosakiharima Corporation | 300 |
1 |
| POSCO | 2142 |
1 |
| POSCO Co., Ltd. | 2025 |
1 |
| University of Science and Technology Beijing | 314 |
1 |
| Vesuvius Crucible Company | 30 |
1 |
| PA-HA-GE Feuerfeste Erzeugnisse GmbH & Co. KG | 2 |
1 |
| Nippon Steel Nisshin Co., Ltd. | 98 |
1 |
| Vesuvius U S a Corporation | 52 |
1 |
| RAADTS, Monika | 1 |
1 |
| voestalpine Stalh GmbH | 1 |
1 |
| Other owners | 1 |