- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 3/34 - 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 by reaction of hydrocarbons with gasifying agents
Patent holdings for IPC class C01B 3/34
Total number of patents in this class: 1155
10-year publication summary
|
107
|
81
|
74
|
66
|
77
|
87
|
106
|
151
|
108
|
43
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Iogen Corporation | 143 |
52 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3916 |
44 |
| Topsoe A/S | 874 |
31 |
| Saudi Arabian Oil Company | 12833 |
27 |
| Linde GmbH | 1253 |
25 |
| Air Products and Chemicals, Inc. | 1400 |
21 |
| BASF SE | 20758 |
18 |
| ExxonMobil Research And Engineering Company | 2594 |
18 |
| Linde Aktiengesellschaft | 1523 |
18 |
| SABIC Global Technologies B.V. | 4279 |
18 |
| Uop LLC | 4207 |
17 |
| Praxair Technology, Inc. | 1313 |
17 |
| Gas Technology Institute | 354 |
16 |
| Haldor Topsøe A/S | 662 |
16 |
| Casale SA | 604 |
14 |
| Ohio State Innovation Foundation | 2098 |
14 |
| LG Chem, Ltd. | 17549 |
11 |
| ThyssenKrupp Uhde GmbH | 325 |
11 |
| IFP Energies Nouvelles | 2888 |
10 |
| Shell Internationale Research Maatschappij B.V. | 3545 |
9 |
| Other owners | 748 |