Patent holdings for IPC class D04H 1/587

Total number of patents in this class: 587

10-year publication summary

29
32
47
64
59
41
44
57
37
10
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saint-Gobain Isover
666
58
Johns Manville
930
49
Owens Corning Intellectual Capital, LLC
1637
49
Rockwool A/S
814
45
3m Innovative Properties Company
17536
15
Wacker Chemie AG
2103
14
ROCKWOOL International A/S
292
14
Glatfelter Corporation
64
14
Rohm and Haas Company
2931
12
Knauf Insulation SPRL
175
11
Saint-Gobain Adfors
123
11
Carl Freudenberg KG
1427
10
OCV Intellectual Capital, LLC
159
9
Ursa Insulation, S.A.
31
9
BASF SE
21127
7
Ahlstrom Oyj
189
7
Glatfelter Gernsbach GmbH
45
6
Nonwovenn Ltd
15
6
Seiko Epson Corporation
19982
5
Nissin Chemical Industry Co., Ltd.
110
5
Other owners 231