- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 12/00 - Chemical processes in general for reacting gaseous media with gaseous mediaApparatus specially adapted therefor
Patent holdings for IPC class B01J 12/00
Total number of patents in this class: 577
10-year publication summary
|
23
|
35
|
37
|
42
|
31
|
42
|
43
|
33
|
41
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Watt Fuel Cell Corp. | 169 |
29 |
| SABIC Global Technologies B.V. | 4403 |
12 |
| BASF SE | 21087 |
11 |
| Topsoe A/S | 957 |
11 |
| Praxair Technology, Inc. | 1273 |
10 |
| Haldor Topsøe A/S | 641 |
10 |
| Saudi Arabian Oil Company | 13656 |
8 |
| LG Chem, Ltd. | 17679 |
7 |
| Dow Technology Investments LLC | 273 |
7 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 619 |
7 |
| Gastechno Corp. | 32 |
7 |
| Evonik Degussa GmbH | 1460 |
6 |
| DSM IP Assets B.V. | 5562 |
6 |
| Arkema France | 4173 |
6 |
| Casale SA | 633 |
6 |
| Precision Combustion, Inc. | 106 |
6 |
| ThyssenKrupp Uhde GmbH | 341 |
6 |
| Evonik Operations GmbH | 4172 |
6 |
| ExxonMobil Technology and Engineering Company | 1167 |
6 |
| Honeywell International Inc. | 13568 |
5 |
| Other owners | 405 |