- 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: 1244
10-year publication summary
|
68
|
66
|
56
|
64
|
63
|
82
|
102
|
104
|
93
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Iogen Corporation | 153 |
56 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4042 |
50 |
| Topsoe A/S | 993 |
48 |
| Saudi Arabian Oil Company | 13940 |
29 |
| Linde GmbH | 1332 |
25 |
| Air Products and Chemicals, Inc. | 1462 |
24 |
| BASF SE | 21127 |
23 |
| ExxonMobil Research And Engineering Company | 2475 |
19 |
| Uop LLC | 4301 |
19 |
| SABIC Global Technologies B.V. | 4477 |
19 |
| Casale SA | 625 |
18 |
| Praxair Technology, Inc. | 1225 |
18 |
| Linde Aktiengesellschaft | 1438 |
16 |
| Haldor Topsøe A/S | 638 |
16 |
| Gas Technology Institute | 339 |
15 |
| Ohio State Innovation Foundation | 2296 |
14 |
| Johnson Matthey Davy Technologies Limited | 490 |
12 |
| ThyssenKrupp Uhde GmbH | 370 |
12 |
| LG Chem, Ltd. | 17805 |
11 |
| IFP Energies Nouvelles | 3022 |
11 |
| Other owners | 789 |