- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds 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: 874
10-year publication summary
|
55
|
51
|
50
|
39
|
40
|
79
|
63
|
63
|
55
|
49
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13224 |
62 |
| Johnson Matthey Public Limited Company | 1866 |
27 |
| Haldor Topsøe A/S | 660 |
24 |
| BASF SE | 20940 |
23 |
| Topsoe A/S | 898 |
21 |
| LG Chem, Ltd. | 17635 |
19 |
| Aramco Services Company | 3987 |
17 |
| Murata Manufacturing Co., Ltd. | 24603 |
16 |
| The Furukawa Electric Co., Ltd. | 3667 |
16 |
| Infinium Technology, LLC | 83 |
16 |
| ExxonMobil Research And Engineering Company | 2570 |
14 |
| Bayer Intellectual Property GmbH | 2498 |
13 |
| ExxonMobil Technology and Engineering Company | 1079 |
13 |
| Petroleo Brasileiro S.A. - Petrobras | 855 |
12 |
| SABIC Global Technologies B.V. | 4351 |
10 |
| Centre National de La Recherche Scientifique | 10464 |
9 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3985 |
9 |
| National University Corporation Hokkaido University | 1344 |
9 |
| King Abdullah University of Science and Technology | 1787 |
8 |
| Council of Scientific & Industrial Research | 1427 |
7 |
| Other owners | 529 |