- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 3/08 - 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 with metals
Patent holdings for IPC class C01B 3/08
Total number of patents in this class: 385
10-year publication summary
|
32
|
25
|
33
|
27
|
37
|
28
|
22
|
35
|
23
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Massachusetts Institute of Technology | 9795 |
10 |
| iHOD Ltd | 18 |
9 |
| Hitachi Maxell, Ltd. | 451 |
8 |
| Ltag Systems LLC | 27 |
7 |
| Intelligent Energy Limited | 464 |
6 |
| B&B Gulf LLC | 7 |
6 |
| H2 Catalyst, LLC | 6 |
5 |
| Miz Co., Ltd. | 44 |
5 |
| Myfc AB | 33 |
5 |
| Honeywell International Inc. | 13799 |
4 |
| Centre National de La Recherche Scientifique | 9632 |
4 |
| Ergosup | 11 |
4 |
| Kit Co, Ltd. | 26 |
4 |
| Ecomo International Co., Ltd. | 5 |
4 |
| H2 Water Technologies Ltd. | 7 |
4 |
| Bosquet Silicon Corp. | 20 |
4 |
| The Royal Institution for The Advancement of Learning / McGill University | 622 |
4 |
| Clean Wave Energy Corp | 3 |
3 |
| Hydrogen Power, Inc. | 3 |
3 |
| Institut Polytechnique de Bordeaux | 356 |
3 |
| Other owners | 283 |