- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 7/00 - Apparatus for generating gases
Patent holdings for IPC class B01J 7/00
Total number of patents in this class: 806
10-year publication summary
|
61
|
55
|
39
|
40
|
21
|
28
|
36
|
29
|
33
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daicel Corporation | 2247 |
66 |
| Air Products and Chemicals, Inc. | 1436 |
61 |
| Nippon Kayaku Kabushiki Kaisha | 1428 |
44 |
| IHI Corporation | 3366 |
16 |
| Saudi Arabian Oil Company | 12481 |
15 |
| Kellogg Brown & Root LLC | 515 |
10 |
| Watt Fuel Cell Corp. | 154 |
9 |
| Gas Technology Institute | 358 |
8 |
| Intelligent Energy Inc. | 58 |
8 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3602 |
8 |
| ThermoChem Recovery International, Inc. | 96 |
8 |
| Tokyo Electron Limited | 12127 |
7 |
| Intelligent Energy Limited | 421 |
7 |
| 8 Rivers Capital, LLC | 241 |
6 |
| DCNS SA | 101 |
6 |
| InEnTec Inc. | 37 |
6 |
| The United States of America as represented by the Secretary of the Army | 1185 |
5 |
| Lummus Technology Inc. | 313 |
5 |
| Aries Gasification, LLC | 19 |
5 |
| Siemens Energy Global GmbH & Co. KG | 2843 |
5 |
| Other owners | 501 |