Patent holdings for IPC class B01D 61/38

Total number of patents in this class: 108

10-year publication summary

8
7
17
5
10
8
4
9
4
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Lawrence Livermore National Security, LLC
1942
4
Imtex Membranes Corp.
13
4
The Penn State Research Foundation
1540
4
FUJIFILM Corporation
29702
3
W. L. Gore & Associates, Inc.
2731
3
Daicel Corporation
2384
3
The Regents of the University of California
20137
2
Hewlett-Packard Development Company, L.P.
25769
2
Corning Incorporated
10327
2
ExxonMobil Chemical Patents Inc.
3974
2
1934612 Ontario Inc.
22
2
Compact Membrane Systems, Inc.
52
2
Fenwal, Inc.
675
2
Huntsman International LLC
722
2
Nanopareil, LLC
14
2
National University of Singapore
2485
2
Porifera, Inc.
68
2
Renaissance Energy Research Corporation
63
2
Siemens Healthcare Diagnostics Inc.
2085
2
Spark Therapeutics, Inc.
168
2
Other owners 59