Patent holdings for IPC class B01J 8/22

Total number of patents in this class: 535

10-year publication summary

39
32
35
36
34
16
26
29
13
7
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
IFP Energies Nouvelles
3043
22
Sasol Technology (Proprietary) Limited
206
18
Nanjing Yanchang Reaction Technology Research Institute Co. Ltd
120
13
Uop LLC
4336
12
Chevron U.S.A. Inc.
4113
12
Cosmo Oil Co., Ltd.
181
12
Inpex Corporation
141
12
Japan Oil, Gas and Metals National Corporation
186
12
Japan Petroleum Exploration Co., Ltd.
139
12
Shell Internationale Research Maatschappij B.V.
3434
9
JX Nippon Oil & Energy Corporation
978
9
Shell Oil Company
2084
8
Chevron Phillips Chemical Company LP
1862
8
China Petroleum & Chemical Corporation
2096
8
ENI S.p.A.
1290
8
Korea Institute of Energy Research
889
8
Nippon Steel Engineering Co., Ltd.
179
8
BASF SE
21171
7
Dow Global Technologies LLC
10858
7
Nippon Steel & Sumikin Engineering Co., Ltd.
169
7
Other owners 323