Patent holdings for IPC class B01J 37/04

Total number of patents in this class: 3415

10-year publication summary

291
274
262
238
271
296
271
267
297
134
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
14248
83
LG Chem, Ltd.
17929
80
Chevron U.S.A. Inc.
4136
70
China Petroleum & Chemical Corporation
2154
70
Uop LLC
4393
64
BASF SE
21308
57
King Fahd University of Petroleum and Minerals
1576
56
Johnson Matthey Public Limited Company
1761
53
BASF Corporation
1683
51
IFP Energies Nouvelles
3095
39
SABIC Global Technologies B.V.
4599
39
Mitsubishi Chemical Corporation
4723
37
BASF Mobile Emissions Catalysts LLC
431
37
Shell USA, Inc.
1321
32
Asahi Kasei Kabushiki Kaisha
2834
31
Imam Mohammad Ibn Saud Islamic University
234
30
Dow Global Technologies LLC
10960
29
Cataler Corporation
572
26
Council of Scientific & Industrial Research
1447
26
Korea Research Institute of Chemical Technology
1475
24
Other owners 2481