- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 3/32 - 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
Patent holdings for IPC class C01B 3/32
Total number of patents in this class: 758
10-year publication summary
|
59
|
51
|
32
|
31
|
38
|
42
|
50
|
66
|
64
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Watt Fuel Cell Corp. | 164 |
21 |
| Shell Internationale Research Maatschappij B.V. | 3545 |
16 |
| Element 1 Corp. | 41 |
15 |
| Air Products and Chemicals, Inc. | 1400 |
13 |
| Enerkem Inc. | 84 |
13 |
| BASF SE | 20758 |
11 |
| Topsoe A/S | 874 |
11 |
| Shell Oil Company | 2141 |
10 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3916 |
10 |
| Guangdong Hydrogen Energy Science and Technology Co., Ltd | 18 |
8 |
| Uop LLC | 4207 |
7 |
| Johnson Matthey Public Limited Company | 1861 |
7 |
| Saudi Arabian Oil Company | 12833 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 30903 |
6 |
| Casale SA | 604 |
6 |
| Proton Power, Inc. | 31 |
6 |
| Sure Champion Investment Limited | 50 |
6 |
| Nissan Motor Co., Ltd. | 12377 |
5 |
| SABIC Global Technologies B.V. | 4279 |
5 |
| SK Innovation Co., Ltd. | 1288 |
5 |
| Other owners | 570 |