Patent holdings for IPC class B28B 1/52

Total number of patents in this class: 223

10-year publication summary

16
21
22
14
22
26
13
16
13
10
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
United States Gypsum Company
905
19
Eternit N.V.
32
7
Nichias Corporation
392
6
Nichiha Corporation
177
6
Etex Services NV
58
6
General Electric Company
13859
5
James Hardie Technology Limited
463
5
Knauf Gips KG
607
5
Rtx Corporation
9445
5
SAFRAN S.A.
626
4
Champion Link International Corporation
81
4
Safran Aircraft Engines
6306
4
Safran Ceramics
411
4
The Regents of the University of Michigan
4746
3
161508 Canada Inc.
4
3
Huyck Licensco, Inc.,
46
3
Kuraray Co., Ltd.
3516
3
Thermoform Nederland B.V.
3
3
XtreeE
14
3
GuangDong TopNice New Materials Technology CO., LTD.
4
3
Other owners 122