Patent holdings for IPC class D04H 1/64

Total number of patents in this class: 557

10-year publication summary

21
33
47
42
52
64
55
42
37
17
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Rockwool A/S
753
50
Saint-Gobain Isover
603
48
Johns Manville
980
39
Owens Corning Intellectual Capital, LLC
1456
34
ROCKWOOL International A/S
323
31
3m Innovative Properties Company
18406
19
OCV Intellectual Capital, LLC
265
14
Wacker Chemie AG
2091
13
Knauf Insulation SPRL
167
12
Georgia-Pacific Chemicals LLC
204
11
Rohm and Haas Company
2805
10
Knauf Insulation, Inc.
185
10
Kimberly-clark Worldwide, Inc.
5854
7
Cargill, Incorporated
2835
7
Ursa Insulation, S.A.
28
6
Toray Industries, Inc.
6652
5
Celanese International Corporation
879
5
Wacker Chemical Corporation
34
5
The Procter & Gamble Company
22178
4
Nichias Corporation
386
4
Other owners 223