Patent holdings for IPC class B01J 8/22

Total number of patents in this class: 556

10-year publication summary

26
32
31
30
35
30
14
24
25
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
IFP Energies Nouvelles
2961
21
Sasol Technology (Proprietary) Limited
219
18
Cosmo Oil Co., Ltd.
203
14
Inpex Corporation
159
14
Japan Oil, Gas and Metals National Corporation
209
14
Japan Petroleum Exploration Co., Ltd.
160
14
Nippon Steel Engineering Co., Ltd.
205
13
Nanjing Yanchang Reaction Technology Research Institute Co. Ltd
120
13
Uop LLC
4247
11
Chevron U.S.A. Inc.
4010
11
JX Nippon Oil & Energy Corporation
999
11
Shell Internationale Research Maatschappij B.V.
3555
9
China Petroleum & Chemical Corporation
1921
9
ENI S.p.A.
1277
9
Shell Oil Company
2137
8
Chevron Phillips Chemical Company LP
1843
8
Korea Institute of Energy Research
865
8
Nippon Steel & Sumikin Engineering Co., Ltd.
184
8
BASF SE
21036
7
Dow Global Technologies LLC
10459
7
Other owners 329