- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 41/44 - Consumable closure means, i.e. closure means being used only once
Patent holdings for IPC class B22D 41/44
Total number of patents in this class: 6
10-year publication summary
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1
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0
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0
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0
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0
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0
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0
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1
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| A. Finkl & Sons Co. | 84 |
1 |
| Elektro-thermit GmbH & Co. KG | 8 |
1 |
| KBI Enterprises, LLC | 3 |
1 |
| Nippon Steel Corporation | 6136 |
1 |
| Vesuvius Group S.A. | 88 |
1 |
| Hebei Vocational University of Industry and Technology | 8 |
1 |
| Other owners | 0 |