Patent holdings for IPC class B01J 20/02

Total number of patents in this class: 1768

10-year publication summary

135
137
160
160
144
137
137
142
118
88
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
1858
41
IFP Energies Nouvelles
2933
29
Mozarc Medical US LLC
338
29
Mitsubishi Gas Chemical Company, Inc.
3465
27
Calgon Carbon Corporation
238
26
Uop LLC
4244
20
Regents of the University of Minnesota
2694
16
King Fahd University of Petroleum and Minerals
1201
14
Fresenius Medical Care Holdings, Inc.
1421
13
BASF Corporation
1717
12
Baxter International Inc.
2397
12
Baxter Healthcare S.A.
1825
12
3m Innovative Properties Company
17819
10
LG Chem, Ltd.
17638
10
The Regents of the University of California
19929
10
Murata Manufacturing Co., Ltd.
24542
10
ExxonMobil Research And Engineering Company
2572
9
National Institute of Advanced Industrial Science and Technology
3802
9
Agency for Science, Technology and Research
3626
9
Birchtech Corp.
32
9
Other owners 1441