- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds 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: 732
10-year publication summary
|
53
|
58
|
51
|
55
|
40
|
45
|
67
|
58
|
64
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intelligent Energy Limited | 408 |
23 |
| Hysilabs, SAS | 24 |
19 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10925 |
17 |
| Honeywell International Inc. | 13573 |
15 |
| Electriq-global Energy Solutions Ltd | 17 |
15 |
| Intelligent Energy Inc. | 52 |
13 |
| H2fuel-systems B.V. | 14 |
10 |
| Saudi Arabian Oil Company | 12911 |
9 |
| Korea Institute of Science and Technology | 2117 |
8 |
| iHOD Ltd | 18 |
8 |
| Hyundai Motor Company | 21795 |
7 |
| Ohio State Innovation Foundation | 2112 |
7 |
| National Technology & Engineering Solutions of Sandia, LLC | 1891 |
7 |
| Canon Kabushiki Kaisha | 7053 |
7 |
| Kia Corporation | 9475 |
7 |
| California Institute of Technology | 3973 |
6 |
| GE Aviation Systems Limited | 266 |
6 |
| Infinium Technology, LLC | 82 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 8664 |
5 |
| Centre National de La Recherche Scientifique | 10395 |
5 |
| Other owners | 532 |