- All sections
- B - Performing operations; transporting
- B28B - Shaping clay or other ceramic compositions; shaping slag; shaping mixtures containing cementitious material, e.g. plaster
- B28B 21/86 - Cores
Patent holdings for IPC class B28B 21/86
Total number of patents in this class: 6
10-year publication summary
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vulco, S.A. | 57 |
2 |
| Robert Bosch GmbH | 40953 |
1 |
| IHI Corporation | 3268 |
1 |
| Vijay Investments Pty Ltd. | 1 |
1 |
| Weir Minerals Australia, Ltd. | 309 |
1 |
| Other owners | 0 |