Patent holdings for IPC class D04H 1/64

Total number of patents in this class: 601

10-year publication summary

31
39
34
43
57
42
33
35
50
29
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Rockwool A/S
802
54
Saint-Gobain Isover
618
52
Owens Corning Intellectual Capital, LLC
1625
47
Johns Manville
947
45
ROCKWOOL International A/S
299
31
3m Innovative Properties Company
17752
19
Knauf Insulation SPRL
173
14
Wacker Chemie AG
2111
14
Knauf Insulation, Inc.
188
11
OCV Intellectual Capital, LLC
175
11
Rohm and Haas Company
2922
10
Georgia-Pacific Chemicals LLC
135
8
Cargill, Incorporated
2926
8
Saint-Gobain Adfors
119
7
OrganoClick AB
71
6
Ursa Insulation, S.A.
31
6
Toray Industries, Inc.
7004
5
Carl Freudenberg KG
1379
5
Celanese International Corporation
915
5
Kimberly-clark Worldwide, Inc.
5407
4
Other owners 239