Patent holdings for IPC class B01D 61/44

Total number of patents in this class: 813

10-year publication summary

41
37
38
49
56
49
60
72
77
57
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
FUJIFILM Manufacturing Europe B.V.
269
33
Evoqua Water Technologies LLC
918
30
FUJIFILM Corporation
29367
26
Organo Corporation
465
21
Kurita Water Industries Ltd.
1194
18
Nemaska Lithium Inc.
73
18
Dionex Corporation
331
17
Massachusetts Institute of Technology
10057
15
Board of Regents, The University of Texas System
5793
13
Research Institute of Industrial Science & Technology
503
13
Mitsubishi Heavy Industries, Ltd.
8715
12
Baxter International Inc.
2402
12
Baxter Healthcare S.A.
1827
12
BL Technologies, Inc.
834
12
Xyleco, Inc.
195
12
General Electric Company
13780
10
Ionic Solutions Ltd.
24
9
The Regents of the University of California
19918
8
California Institute of Technology
3976
8
Saltworks Technologies Inc.
94
8
Other owners 506