- 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: 922
10-year publication summary
|
52
|
52
|
44
|
47
|
83
|
72
|
68
|
60
|
70
|
38
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 14235 |
66 |
| LG Chem, Ltd. | 17921 |
26 |
| Topsoe A/S | 1045 |
25 |
| BASF SE | 21303 |
24 |
| Haldor Topsøe A/S | 636 |
23 |
| Johnson Matthey Public Limited Company | 1768 |
19 |
| Aramco Services Company | 4195 |
18 |
| Infinium Technology, LLC | 95 |
17 |
| Murata Manufacturing Co., Ltd. | 25744 |
16 |
| The Furukawa Electric Co., Ltd. | 3694 |
16 |
| ExxonMobil Research And Engineering Company | 2422 |
14 |
| Bayer Intellectual Property GmbH | 2364 |
13 |
| ExxonMobil Technology and Engineering Company | 1356 |
13 |
| Petroleo Brasileiro S.A. - Petrobras | 967 |
12 |
| Johnson Matthey Davy Technologies Limited | 519 |
11 |
| SABIC Global Technologies B.V. | 4597 |
10 |
| Centre National de La Recherche Scientifique | 11023 |
9 |
| National University Corporation Hokkaido University | 1366 |
9 |
| King Abdullah University of Science and Technology | 1852 |
8 |
| King Fahd University of Petroleum and Minerals | 1572 |
8 |
| Other owners | 565 |