- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 3/06 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
Patent holdings for IPC class C01B 3/06
Total number of patents in this class: 692
10-year publication summary
|
70
|
53
|
58
|
51
|
55
|
40
|
42
|
66
|
54
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intelligent Energy Limited | 464 |
25 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
19 |
| Hysilabs, SAS | 21 |
17 |
| Honeywell International Inc. | 13799 |
16 |
| Intelligent Energy Inc. | 59 |
14 |
| Electriq-global Energy Solutions Ltd | 13 |
12 |
| H2fuel-systems B.V. | 14 |
10 |
| Korea Institute of Science and Technology | 2022 |
8 |
| iHOD Ltd | 18 |
8 |
| Saudi Arabian Oil Company | 11322 |
7 |
| National Technology & Engineering Solutions of Sandia, LLC | 1851 |
7 |
| Centre National de La Recherche Scientifique | 9632 |
6 |
| Hyundai Motor Company | 19021 |
6 |
| California Institute of Technology | 3884 |
6 |
| GE Aviation Systems Limited | 257 |
6 |
| Ohio State Innovation Foundation | 1770 |
6 |
| Kia Corporation | 6450 |
6 |
| Kyocera Corporation | 12735 |
5 |
| Bio Coke Lab. Co. Ltd | 13 |
5 |
| Herakles | 169 |
5 |
| Other owners | 498 |