- 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: 219
10-year publication summary
19
|
27
|
26
|
17
|
22
|
28
|
13
|
19
|
14
|
5
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
United States Gypsum Company | 913 |
19 |
Eternit N.V. | 32 |
7 |
Nichias Corporation | 392 |
6 |
Nichiha Corporation | 176 |
6 |
Etex Services NV | 57 |
6 |
General Electric Company | 13838 |
5 |
James Hardie Technology Limited | 458 |
5 |
Knauf Gips KG | 590 |
5 |
Rtx Corporation | 9319 |
5 |
SAFRAN S.A. | 607 |
4 |
Champion Link International Corporation | 80 |
4 |
Safran Aircraft Engines | 6265 |
4 |
Safran Ceramics | 409 |
4 |
The Regents of the University of Michigan | 4675 |
3 |
161508 Canada Inc. | 4 |
3 |
Huyck Licensco, Inc., | 46 |
3 |
Kuraray Co., Ltd. | 3496 |
3 |
Thermoform Nederland B.V. | 3 |
3 |
XtreeE | 14 |
3 |
GuangDong TopNice New Materials Technology CO., LTD. | 4 |
3 |
Other owners | 118 |