- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds 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: 722
10-year publication summary
|
61
|
59
|
51
|
32
|
31
|
38
|
40
|
50
|
56
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Watt Fuel Cell Corp. | 122 |
21 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
16 |
| Enerkem Inc. | 83 |
15 |
| Element 1 Corp. | 34 |
13 |
| Air Products and Chemicals, Inc. | 1448 |
12 |
| Shell Oil Company | 2196 |
10 |
| Guangdong Hydrogen Energy Science and Technology Co., Ltd | 19 |
9 |
| Topsoe A/S | 732 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
8 |
| Johnson Matthey Public Limited Company | 1852 |
7 |
| SABIC Global Technologies B.V. | 4044 |
7 |
| Casale SA | 572 |
6 |
| GS Yuasa Corporation | 91 |
6 |
| IdaTech, LLC | 57 |
6 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
6 |
| Praxair Technology, Inc. | 1367 |
6 |
| Proton Power, Inc. | 31 |
6 |
| Haldor Topsøe A/S | 698 |
6 |
| Sure Champion Investment Limited | 52 |
6 |
| BASF SE | 19740 |
5 |
| Other owners | 542 |