- 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: 1336
10-year publication summary
|
81
|
75
|
72
|
92
|
92
|
129
|
156
|
127
|
118
|
64
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Topsoe A/S | 1080 |
62 |
| Iogen Corporation | 160 |
57 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4148 |
51 |
| Saudi Arabian Oil Company | 14398 |
29 |
| BASF SE | 21334 |
25 |
| Air Products and Chemicals, Inc. | 1476 |
24 |
| Linde GmbH | 1386 |
24 |
| Casale SA | 638 |
23 |
| Praxair Technology, Inc. | 1203 |
23 |
| Uop LLC | 4407 |
21 |
| SABIC Global Technologies B.V. | 4632 |
20 |
| ExxonMobil Research And Engineering Company | 2389 |
19 |
| Johnson Matthey Davy Technologies Limited | 540 |
16 |
| Linde Aktiengesellschaft | 1410 |
16 |
| Haldor Topsøe A/S | 629 |
16 |
| Gas Technology Institute | 331 |
15 |
| Ohio State Innovation Foundation | 2432 |
15 |
| LG Chem, Ltd. | 17986 |
11 |
| ThyssenKrupp AG | 3333 |
11 |
| ThyssenKrupp Uhde GmbH | 388 |
11 |
| Other owners | 847 |