Patent holdings for IPC class B01J 37/04

Total number of patents in this class: 3422

10-year publication summary

291
274
262
238
271
296
271
267
297
141
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
14296
85
LG Chem, Ltd.
17937
80
Chevron U.S.A. Inc.
4155
70
China Petroleum & Chemical Corporation
2160
70
Uop LLC
4390
64
BASF SE
21310
57
King Fahd University of Petroleum and Minerals
1585
56
Johnson Matthey Public Limited Company
1763
53
BASF Corporation
1682
51
IFP Energies Nouvelles
3099
39
SABIC Global Technologies B.V.
4610
39
Mitsubishi Chemical Corporation
4724
38
BASF Mobile Emissions Catalysts LLC
428
37
Shell USA, Inc.
1340
32
Asahi Kasei Kabushiki Kaisha
2841
31
Dow Global Technologies LLC
10981
30
Imam Mohammad Ibn Saud Islamic University
234
30
Cataler Corporation
574
27
Council of Scientific & Industrial Research
1448
26
Korea Research Institute of Chemical Technology
1479
24
Other owners 2483