Patent holdings for IPC class B28B 1/52

Total number of patents in this class: 234

10-year publication summary

27
26
17
22
28
14
20
14
16
12
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
United States Gypsum Company
949
19
Knauf Gips KG
648
7
Rtx Corporation
10199
7
Eternit N.V.
41
6
Nichias Corporation
405
6
Nichiha Corporation
166
6
Etex Services NV
61
6
General Electric Company
13999
5
James Hardie Technology Limited
458
5
Champion Link International Corporation
88
4
Safran Ceramics
450
4
Yoshino Gypsum Co., Ltd.
270
4
SAFRAN S.A.
801
3
The Regents of the University of Michigan
5051
3
Huyck Licensco, Inc.,
46
3
Kuraray Co., Ltd.
3616
3
Safran Aircraft Engines
6777
3
Thermoform Nederland B.V.
3
3
XtreeE
14
3
GuangDong TopNice New Materials Technology CO., LTD.
4
3
Other owners 131