Patent holdings for IPC class B01D 61/38

Total number of patents in this class: 107

10-year publication summary

8
8
18
7
12
8
5
10
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
1915
4
Imtex Membranes Corp.
13
4
The Penn State Research Foundation
1499
4
FUJIFILM Corporation
29151
3
W. L. Gore & Associates, Inc.
2657
3
1934612 Ontario Inc.
23
3
Daicel Corporation
2311
3
The Regents of the University of California
19752
2
Hewlett-Packard Development Company, L.P.
26001
2
Corning Incorporated
10169
2
ExxonMobil Chemical Patents Inc.
4045
2
Compact Membrane Systems, Inc.
50
2
Fenwal, Inc.
654
2
Nanopareil, LLC
14
2
National University of Singapore
2411
2
Porifera, Inc.
67
2
Renaissance Energy Research Corporation
60
2
Siemens Healthcare Diagnostics Inc.
2038
2
Spark Therapeutics, Inc.
163
2
Universiteit leiden
186
2
Other owners 57