- All sections
- B - Performing operationstransporting
- B22D - Casting of metalscasting of other substances by the same processes or devices
- B22D 7/04 - Casting hollow ingots
Patent holdings for IPC class B22D 7/04
Total number of patents in this class: 9
10-year publication summary
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2
|
0
|
0
|
2
|
1
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0
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2
|
1
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0
|
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
|
|---|---|---|
| Lam Research Corporation | 5213 |
2 |
| ArcelorMittal Investigacion y Desarrollo SL | 209 |
2 |
| Rtx Corporation | 9325 |
2 |
| ArcelorMittal | 2271 |
1 |
| Nemak, S.A.B. de C.V. | 98 |
1 |
| Stephen Fernandes | 1 |
1 |
| Other owners | 0 |