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