Patent holdings for IPC class D04H 1/64

Total number of patents in this class: 631

10-year publication summary

39
34
43
57
43
33
35
50
40
19
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Rockwool A/S
817
60
Saint-Gobain Isover
667
52
Owens Corning Intellectual Capital, LLC
1640
48
Johns Manville
926
44
ROCKWOOL International A/S
292
31
3m Innovative Properties Company
17512
21
Knauf Insulation SPRL
175
14
Wacker Chemie AG
2102
14
Rohm and Haas Company
2937
11
Knauf Insulation, Inc.
190
11
OCV Intellectual Capital, LLC
155
11
Cargill, Incorporated
2943
9
Georgia-Pacific Chemicals LLC
134
8
Saint-Gobain Adfors
124
8
OrganoClick AB
71
7
Ursa Insulation, S.A.
31
6
Toray Industries, Inc.
7038
5
Arkema France
4181
5
Carl Freudenberg KG
1430
5
Ahlstrom Oyj
191
5
Other owners 256