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