- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 3/22 - Production of hydrogen or of gaseous mixtures containing hydrogen by decomposition of gaseous or liquid organic compounds
Patent holdings for IPC class C01B 3/22
Total number of patents in this class: 373
10-year publication summary
|
28
|
24
|
37
|
27
|
20
|
26
|
31
|
40
|
25
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
13 |
| Hydrogenious Lohc Technologies GmbH | 61 |
12 |
| National Institute of Advanced Industrial Science and Technology | 3736 |
8 |
| Nitto Denko Corporation | 8089 |
6 |
| Korea Institute of Science and Technology | 2075 |
6 |
| IFP Energies Nouvelles | 2829 |
6 |
| King Abdullah University of Science and Technology | 1744 |
6 |
| Linde Aktiengesellschaft | 1549 |
6 |
| SABIC Global Technologies B.V. | 4203 |
6 |
| Haldor Topsøe A/S | 674 |
6 |
| New Wave Hydrogen, Inc. | 17 |
6 |
| Element 1 Corp. | 37 |
5 |
| Yissum Research Development Company of The Hebrew University of Jerusalem Ltd. | 1357 |
5 |
| Topsoe A/S | 829 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3722 |
4 |
| Air Products and Chemicals, Inc. | 1435 |
4 |
| Arkema France | 3889 |
4 |
| ALAGY, Annie | 4 |
4 |
| ALAGY, Serge, Zareh | 4 |
4 |
| Dens B.V. | 11 |
4 |
| Other owners | 253 |