Patent holdings for IPC class B01D 71/64

Total number of patents in this class: 838

10-year publication summary

75
74
66
54
52
52
49
48
28
37
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
FUJIFILM Corporation
30594
69
Uop LLC
4390
63
Nitto Denko Corporation
8558
33
Saudi Arabian Oil Company
14305
28
Yestar Advanced Materials (HK) Co., Limited
42
28
King Abdullah University of Science and Technology
1863
27
Tokyo Ohka Kogyo Co., Ltd.
1569
27
Georgia Tech Research Corporation
2963
25
Dow Global Technologies LLC
10994
24
Chevron U.S.A. Inc.
4159
17
Global Life Sciences Solutions USA LLC
529
15
FUJIFILM Manufacturing Europe B.V.
221
13
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
4122
13
Asahi Kasei Kabushiki Kaisha
2840
11
Entegris, Inc.
2011
11
Toray Industries, Inc.
7139
10
FUJIFILM Imaging Colorants Limited
193
10
Aramco Services Company
4192
9
Sumitomo Chemical Company, Limited
8968
8
Evonik Operations GmbH
4384
8
Other owners 389