- All sections
- B - Performing operations; transporting
- B28B - Shaping clay or other ceramic compositions; shaping slag; shaping mixtures containing cementitious material, e.g. plaster
- B28B 21/26 - Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts using compacting heads, rollers, or the like with a packer head serving as a sliding mould or provided with guiding means for feeding the material
Patent holdings for IPC class B28B 21/26
Total number of patents in this class: 3
10-year publication summary
0
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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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0
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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
|
---|---|---|
Hawkeye Concrete Products Co. | 6 |
1 |
Hawkeyepedershaab Concrete Technologies, Inc. | 28 |
1 |
International Pipe Machinery Corporation | 1 |
1 |
Other owners | 0 |