Patent holdings for IPC class B01D 71/06

Total number of patents in this class: 535

10-year publication summary

46
42
27
25
27
23
29
30
40
10
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
NGK Insulators, Ltd.
5179
13
Nitto Denko Corporation
8434
10
Uop LLC
4293
10
National University of Singapore
2556
10
The Regents of the University of California
20494
9
Renaissance Energy Research Corporation
63
9
LG Chem, Ltd.
17786
8
National University Corporation Kobe University
548
8
Ohio State Innovation Foundation
2298
8
BASF SE
21135
7
Entegris, Inc.
1960
7
Toray Industries, Inc.
7028
6
Monash University
727
5
FUJIFILM Corporation
30155
4
Korea Advanced Institute of Science and Technology
4537
4
Evoqua Water Technologies LLC
922
4
IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
1511
4
Korea University Research and Business Foundation
3141
4
Kurita Water Industries Ltd.
1251
4
Rensselaer Polytechnic Institute
848
4
Other owners 397