Patent holdings for IPC class B01J 37/04

Total number of patents in this class: 3313

10-year publication summary

282
266
259
227
260
289
269
266
285
46
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
13937
81
LG Chem, Ltd.
17810
80
Chevron U.S.A. Inc.
4076
69
China Petroleum & Chemical Corporation
2026
66
Uop LLC
4296
64
BASF SE
21147
55
King Fahd University of Petroleum and Minerals
1464
54
Johnson Matthey Public Limited Company
1736
52
BASF Corporation
1687
48
IFP Energies Nouvelles
3026
38
Mitsubishi Chemical Corporation
4683
37
SABIC Global Technologies B.V.
4472
37
BASF Mobile Emissions Catalysts LLC
430
37
Shell USA, Inc.
1283
31
Asahi Kasei Kabushiki Kaisha
2766
29
Imam Mohammad Ibn Saud Islamic University
218
27
Council of Scientific & Industrial Research
1427
26
Dow Global Technologies LLC
10765
25
Cataler Corporation
571
25
Toyota Motor Corporation
34313
23
Other owners 2409