Patent holdings for IPC class B01J 20/02

Total number of patents in this class: 1779

10-year publication summary

128
121
146
146
135
130
124
132
123
101
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Johnson Matthey Public Limited Company
1876
41
IFP Energies Nouvelles
2961
30
Mozarc Medical US LLC
344
29
Mitsubishi Gas Chemical Company, Inc.
3485
27
Calgon Carbon Corporation
240
26
Uop LLC
4247
20
Regents of the University of Minnesota
2713
16
King Fahd University of Petroleum and Minerals
1311
15
Fresenius Medical Care Holdings, Inc.
1423
14
BASF Corporation
1716
12
Baxter International Inc.
2414
12
Baxter Healthcare S.A.
1837
12
The Regents of the University of California
20153
11
3m Innovative Properties Company
17762
10
LG Chem, Ltd.
17680
10
Murata Manufacturing Co., Ltd.
24843
10
Agency for Science, Technology and Research
3659
10
Luxwall, Inc.
92
10
ExxonMobil Research And Engineering Company
2562
9
National Institute of Advanced Industrial Science and Technology
3797
9
Other owners 1446