Patent holdings for IPC class C03C 25/32

Total number of patents in this class: 221

10-year publication summary

24
16
21
15
11
9
15
6
20
2
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Saint-Gobain Isover
603
42
Johns Manville
980
20
Rockwool A/S
753
17
OCV Intellectual Capital, LLC
265
16
ROCKWOOL International A/S
323
16
Knauf Insulation, Inc.
185
14
Knauf Insulation SPRL
167
12
Owens Corning Intellectual Capital, LLC
1456
10
Sumitomo Electric Industries, Ltd.
14131
6
DSM IP Assets B.V.
5856
6
Saint-Gobain Adfors
111
6
Corning Incorporated
9932
5
PPG Industries Ohio, Inc.
3430
3
Bayer MaterialScience AG
874
2
3B-Fibreglass SPRL
22
2
Huntsman International LLC
708
2
Oxford Performance Materials, Inc.
26
2
Politecnico di Milano
790
2
Prysmian S.p.A.
846
2
S.d.r. Biotec Verfahrenstechnik GmbH
6
2
Other owners 34