- All sections
- B - Performing operations; transporting
- B22C - Foundry moulding
- B22C 21/02 - Sectional flasks, i.e. with divided, articulated, or interchangeable side sections
Patent holdings for IPC class B22C 21/02
Total number of patents in this class: 6
10-year publication summary
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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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0
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0
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1
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seseong Co., Ltd. | 2 |
2 |
| United Technologies Corporation | 2328 |
1 |
| Sintokogio, Ltd. | 1148 |
1 |
| SUFA Hengdian Machinery Co., Ltd CNNC | 1 |
1 |
| Metal Engineering Kabushiki Kaisha | 10 |
1 |
| Other owners | 0 |