Patent holdings for IPC class C01B 3/26

Total number of patents in this class: 787

10-year publication summary

30
26
22
26
49
65
71
69
79
45
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
14110
26
Chiyoda Corporation
422
20
Air Products and Chemicals, Inc.
1472
17
BASF SE
21294
14
Mitsubishi Heavy Industries, Ltd.
9080
13
Uop LLC
4402
11
Chevron U.S.A. Inc.
4125
11
Battelle Memorial Institute
2598
10
Aramco Services Company
4174
10
Hazer Group Ltd
18
10
Mitsubishi Power, Ltd.
1829
10
JX Nippon Oil & Energy Corporation
978
9
IFP Energies Nouvelles
3094
8
SABIC Global Technologies B.V.
4562
8
The Regents of the University of California
20669
7
Hindustan Petroleum Corporation Limited
225
7
Ihara & Company Ltd.
7
7
The Japan Steel Works, Ltd.
807
7
Kellogg Brown & Root LLC
527
7
National University Corporation Kitami Institute of Technology
23
7
Other owners 568