Patent holdings for IPC class B01D 63/06

Total number of patents in this class: 889

10-year publication summary

72
73
69
70
64
71
68
52
39
35
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
NGK Insulators, Ltd.
5239
57
Corning Incorporated
10510
22
Entegris, Inc.
2007
22
Technologies Avancees & Membranes Industrielles
39
21
DIC Corporation
3965
16
Saint-Gobain Centre de Recherches et d'Etudes Europeen
495
15
Technologies Avancees et Membranes Industrielles
22
12
Mitsubishi Chemical Corporation
4723
11
Fenwal, Inc.
701
10
Sartorius Stedim Biotech GmbH
875
9
Hitachi Zosen Corporation
590
7
nanostone water, inc.
15
7
Dow Global Technologies LLC
10960
6
1934612 Ontario Inc.
22
6
Fibracast Ltd.
29
6
Kolon Industries, Inc.
1845
6
Nanostone Water GmbH
13
6
Evove Ltd
29
6
Centre National de La Recherche Scientifique
11026
5
FUJIFILM Corporation
30516
5
Other owners 634