- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 3/40 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst
Patent holdings for IPC class C01B 3/40
Total number of patents in this class: 789
10-year publication summary
50
|
58
|
52
|
52
|
44
|
47
|
82
|
71
|
64
|
22
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Saudi Arabian Oil Company | 11322 |
53 |
Johnson Matthey Public Limited Company | 1852 |
28 |
Haldor Topsøe A/S | 698 |
25 |
BASF SE | 19740 |
20 |
Topsoe A/S | 732 |
17 |
Murata Manufacturing Co., Ltd. | 22355 |
15 |
Aramco Services Company | 3504 |
15 |
SABIC Global Technologies B.V. | 4044 |
15 |
ExxonMobil Research And Engineering Company | 2830 |
14 |
The Furukawa Electric Co., Ltd. | 3486 |
14 |
Bayer Intellectual Property GmbH | 2671 |
13 |
Infinium Technology, LLC | 58 |
12 |
ExxonMobil Technology and Engineering Company | 676 |
12 |
Petroleo Brasileiro S.A. - Petrobras | 730 |
11 |
LG Chem, Ltd. | 17205 |
10 |
Centre National de La Recherche Scientifique | 9632 |
9 |
Gas Technology Institute | 374 |
9 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
9 |
King Abdullah University of Science and Technology | 1703 |
8 |
Council of Scientific & Industrial Research | 1397 |
7 |
Other owners | 473 |