Patent holdings for IPC class B01D 63/06

Total number of patents in this class: 895

10-year publication summary

72
73
69
70
64
70
68
52
40
42
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
NGK Insulators, Ltd.
5173
57
Corning Incorporated
10518
22
Entegris, Inc.
2016
21
Technologies Avancees & Membranes Industrielles
39
21
DIC Corporation
3982
17
Saint-Gobain Centre de Recherches et d'Etudes Europeen
497
16
Technologies Avancees et Membranes Industrielles
22
12
Mitsubishi Chemical Corporation
4738
11
Fenwal, Inc.
708
10
Sartorius Stedim Biotech GmbH
881
9
Hitachi Zosen Corporation
589
7
nanostone water, inc.
15
7
Dow Global Technologies LLC
11008
6
1934612 Ontario Inc.
22
6
Fibracast Ltd.
28
6
Kolon Industries, Inc.
1853
6
Nanostone Water GmbH
13
6
Evove Ltd
29
6
Centre National de La Recherche Scientifique
11077
5
FUJIFILM Corporation
30628
5
Other owners 639