- 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: 29
10-year publication summary
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0
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1
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3
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1
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3
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2
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2
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4
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0
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2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novelis Inc. | 759 |
4 |
| ArcelorMittal | 2324 |
3 |
| Baoshan Iron & Steel Co., Ltd. | 966 |
3 |
| Harbisonwalker International, Inc. | 206 |
2 |
| Vesuvius Group S.A. | 100 |
2 |
| Vesuvius USA Corporation | 92 |
2 |
| Siemens VAI Metals Technologies GmbH | 221 |
1 |
| Foseco International Limited | 212 |
1 |
| Krosakiharima Corporation | 286 |
1 |
| POSCO | 2181 |
1 |
| POSCO Co., Ltd. | 1572 |
1 |
| University of Science and Technology Beijing | 288 |
1 |
| Vesuvius Crucible Company | 39 |
1 |
| PA-HA-GE Feuerfeste Erzeugnisse GmbH & Co. KG | 2 |
1 |
| Nippon Steel Nisshin Co., Ltd. | 98 |
1 |
| Harbisonwalker International Holdings, Inc. | 52 |
1 |
| RAADTS, Monika | 1 |
1 |
| voestalpine Stalh GmbH | 1 |
1 |
| Inner Mongolia University of Science & Technology | 6 |
1 |
| Other owners | 0 |