- All sections
- B - Performing operations; transporting
- B28B - Shaping clay or other ceramic compositions; shaping slag; shaping 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: 209
10-year publication summary
8
|
19
|
27
|
26
|
17
|
22
|
27
|
11
|
18
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
United States Gypsum Company | 1019 |
19 |
Nichiha Corporation | 186 |
9 |
Eternit N.V. | 31 |
7 |
Nichias Corporation | 386 |
6 |
Etex Services NV | 50 |
6 |
General Electric Company | 18133 |
5 |
James Hardie Technology Limited | 462 |
5 |
Knauf Gips KG | 534 |
5 |
SAFRAN S.A. | 518 |
4 |
Safran Aircraft Engines | 5739 |
4 |
Safran Ceramics | 366 |
4 |
Rtx Corporation | 8674 |
4 |
161508 Canada Inc. | 4 |
3 |
Champion Link International Corporation | 64 |
3 |
Huyck Licensco, Inc., | 44 |
3 |
Kuraray Co., Ltd. | 3392 |
3 |
Thermoform Nederland B.V. | 3 |
3 |
GuangDong TopNice New Materials Technology CO., LTD. | 4 |
3 |
Cuylits Holding GmbH | 22 |
2 |
IHI Corporation | 3268 |
2 |
Other owners | 109 |