Patent holdings for IPC class B01J 27/19

Total number of patents in this class: 418

10-year publication summary

30
29
20
21
32
27
23
12
19
12
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
IFP Energies Nouvelles
2983
73
Shell USA, Inc.
1257
37
Shell Internationale Research Maatschappij B.V.
3542
29
Shell Oil Company
2133
19
Advanced Refining Technologies LLC
58
16
Saudi Arabian Oil Company
13686
15
JGC Catalysts and Chemicals Ltd.
256
12
China Petroleum & Chemical Corporation
1955
10
Cosmo Oil Co., Ltd.
183
8
Osaka University
3377
6
Albemarle Europe SPRL
27
5
GreenMantra Recycling Technologies Ltd.
69
5
Total Raffinage Marketing
153
5
Battelle Memorial Institute
2513
4
Aramco Services Company
4099
4
Chiyoda Corporation
400
4
Daicel Corporation
2411
4
Nippon Oil Corporation
265
4
JXTG Nippon Oil & Energy Corporation
323
4
Ketjen Netherlands B.V.
26
4
Other owners 150