- All sections
- B - Performing operationstransporting
- B28B - Shaping clay or other ceramic compositionsshaping slagshaping mixtures containing cementitious material, e.g. plaster
- B28B 21/30 - Centrifugal moulding
Patent holdings for IPC class B28B 21/30
Total number of patents in this class: 20
10-year publication summary
|
4
|
2
|
6
|
2
|
1
|
1
|
0
|
0
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Aircraft Engines | 6275 |
4 |
| SAFRAN S.A. | 615 |
3 |
| Kao Corporation | 4964 |
3 |
| Jiangsu Dongpu Pile.co., Ltd. | 3 |
2 |
| Qsil GmbH Quarzschmelze Ilmenau | 7 |
1 |
| Harbin Institute of Technology Shenzhen Graduate School | 97 |
1 |
| Haneda Zenith Co., Ltd. | 2 |
1 |
| Thio Materials, besloten vennootschap Met beperkte aansprakelijkheid | 3 |
1 |
| Yoojungresicon Co.,Ltd | 1 |
1 |
| Saint-Gobain PAM Canalisation | 23 |
1 |
| CCCC Third Harbor Engineering Co., Ltd. | 35 |
1 |
| Ningbo Branch CCCC Third Harbor Engineering Co., Ltd | 4 |
1 |
| Other owners | 0 |