- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds 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: 1030
10-year publication summary
|
76
|
107
|
81
|
74
|
66
|
76
|
84
|
101
|
121
|
32
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Iogen Corporation | 136 |
40 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
31 |
| Topsoe A/S | 732 |
25 |
| Saudi Arabian Oil Company | 11322 |
24 |
| Air Products and Chemicals, Inc. | 1448 |
22 |
| Linde GmbH | 1122 |
21 |
| ExxonMobil Research And Engineering Company | 2830 |
20 |
| Linde Aktiengesellschaft | 1600 |
19 |
| BASF SE | 19740 |
17 |
| Praxair Technology, Inc. | 1367 |
17 |
| Gas Technology Institute | 374 |
16 |
| Haldor Topsøe A/S | 698 |
16 |
| Uop LLC | 4083 |
13 |
| Ohio State Innovation Foundation | 1770 |
13 |
| Casale SA | 572 |
12 |
| L'Air Liquide, Societe Anonyme pour L'etude et L'exploitation des Proced ES Georges Claude | 296 |
12 |
| LG Chem, Ltd. | 17205 |
11 |
| ThyssenKrupp Industrial Solutions AG | 729 |
11 |
| IFP Energies Nouvelles | 2717 |
10 |
| ThyssenKrupp AG | 3086 |
10 |
| Other owners | 670 |