- All sections
- B - Performing operations; transporting
- B28B - Shaping clay or other ceramic compositions; shaping slag; shaping mixtures containing cementitious material, e.g. plaster
- B28B 21/38 - Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means applying fluid pressure or vacuum to the material introducing the material wholly or partly under pressure
Patent holdings for IPC class B28B 21/38
Total number of patents in this class: 7
10-year publication summary
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0
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2
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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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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
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
2 |
| Agency for Science, Technology and Research | 3512 |
2 |
| 161508 Canada Inc. | 4 |
2 |
| NexGen Pipes Pte. Ltd. | 3 |
1 |
| Other owners | 0 |