- All sections
- B - Performing operationstransporting
- B28B - Shaping clay or other ceramic compositionsshaping slagshaping mixtures containing cementitious material, e.g. plaster
- B28B 1/52 - Producing shaped articles from the material specially adapted for producing articles from mixtures containing fibres
Patent holdings for IPC class B28B 1/52
Total number of patents in this class: 231
10-year publication summary
|
27
|
26
|
17
|
22
|
28
|
14
|
20
|
14
|
16
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 923 |
19 |
| Knauf Gips KG | 642 |
7 |
| Eternit N.V. | 39 |
6 |
| Nichias Corporation | 403 |
6 |
| Nichiha Corporation | 168 |
6 |
| Etex Services NV | 59 |
6 |
| Rtx Corporation | 10082 |
6 |
| General Electric Company | 13888 |
5 |
| James Hardie Technology Limited | 458 |
5 |
| Champion Link International Corporation | 87 |
4 |
| Safran Ceramics | 446 |
4 |
| SAFRAN S.A. | 785 |
3 |
| The Regents of the University of Michigan | 4979 |
3 |
| Huyck Licensco, Inc., | 47 |
3 |
| Kuraray Co., Ltd. | 3589 |
3 |
| Safran Aircraft Engines | 6671 |
3 |
| Thermoform Nederland B.V. | 3 |
3 |
| XtreeE | 14 |
3 |
| GuangDong TopNice New Materials Technology CO., LTD. | 4 |
3 |
| 161508 Canada Inc. | 3 |
2 |
| Other owners | 131 |