Patent holdings for IPC class C01B 3/40

Total number of patents in this class: 842

10-year publication summary

58
52
52
44
47
82
71
67
58
16
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
12671
58
Johnson Matthey Public Limited Company
1865
30
Haldor Topsøe A/S
669
23
BASF SE
20565
22
Topsoe A/S
836
21
Murata Manufacturing Co., Ltd.
23928
16
LG Chem, Ltd.
17681
15
The Furukawa Electric Co., Ltd.
3610
15
Aramco Services Company
3818
15
Infinium Technology, LLC
77
15
ExxonMobil Research And Engineering Company
2642
14
Bayer Intellectual Property GmbH
2563
13
ExxonMobil Technology and Engineering Company
960
13
Petroleo Brasileiro S.A. - Petrobras
794
12
SABIC Global Technologies B.V.
4258
11
Centre National de La Recherche Scientifique
10174
9
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
3619
9
Gas Technology Institute
358
8
King Abdullah University of Science and Technology
1750
8
National University Corporation Hokkaido University
1326
8
Other owners 507