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
1937
4
Imtex Membranes Corp.
13
4
The Penn State Research Foundation
1518
4
FUJIFILM Corporation
29367
3
W. L. Gore & Associates, Inc.
2684
3
Daicel Corporation
2344
3
The Regents of the University of California
19918
2
Hewlett-Packard Development Company, L.P.
25895
2
Corning Incorporated
10259
2
ExxonMobil Chemical Patents Inc.
3980
2
1934612 Ontario Inc.
22
2
Compact Membrane Systems, Inc.
51
2
Fenwal, Inc.
669
2
Nanopareil, LLC
14
2
National University of Singapore
2449
2
Porifera, Inc.
68
2
Renaissance Energy Research Corporation
60
2
Siemens Healthcare Diagnostics Inc.
2049
2
Spark Therapeutics, Inc.
167
2
Universiteit leiden
188
2
Other owners 58