- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 12/00 - Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
Patent holdings for IPC class B01J 12/00
Total number of patents in this class: 549
10-year publication summary
|
65
|
23
|
39
|
40
|
43
|
33
|
48
|
49
|
34
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Watt Fuel Cell Corp. | 122 |
29 |
| SABIC Global Technologies B.V. | 4044 |
12 |
| Haldor Topsøe A/S | 698 |
11 |
| BASF SE | 19740 |
10 |
| Praxair Technology, Inc. | 1367 |
10 |
| Topsoe A/S | 732 |
10 |
| Gas Technologies LLC | 60 |
9 |
| Dow Technology Investments LLC | 270 |
8 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
7 |
| LG Chem, Ltd. | 17205 |
6 |
| Evonik Degussa GmbH | 1574 |
6 |
| DSM IP Assets B.V. | 5856 |
6 |
| Arkema France | 3790 |
6 |
| Saudi Arabian Oil Company | 11322 |
6 |
| Uhde GmbH | 172 |
6 |
| ExxonMobil Technology and Engineering Company | 676 |
6 |
| ExxonMobil Chemical Patents Inc. | 4286 |
5 |
| Casale SA | 572 |
5 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
5 |
| Precision Combustion, Inc. | 109 |
5 |
| Other owners | 381 |