- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 38/02 - Heat treatment
Patent holdings for IPC class B01J 38/02
Total number of patents in this class: 477
10-year publication summary
|
19
|
25
|
35
|
35
|
24
|
31
|
42
|
35
|
43
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4246 |
36 |
| Dow Global Technologies LLC | 10437 |
29 |
| Chevron Phillips Chemical Company LP | 1830 |
18 |
| ExxonMobil Research And Engineering Company | 2562 |
14 |
| Saudi Arabian Oil Company | 13409 |
14 |
| ExxonMobil Chemical Patents Inc. | 3974 |
13 |
| IFP Energies Nouvelles | 2959 |
13 |
| Korea Research Institute of Chemical Technology | 1401 |
9 |
| BASF SE | 21017 |
8 |
| Chevron U.S.A. Inc. | 3996 |
8 |
| Aramco Services Company | 4033 |
6 |
| Catalyst Recovery Europe S.A. | 6 |
6 |
| Eurecat S.A. | 89 |
5 |
| Johnson Matthey Public Limited Company | 1873 |
5 |
| Nippon Kayaku Kabushiki Kaisha | 1451 |
5 |
| Virent, Inc. | 127 |
5 |
| Mitsubishi Power, Ltd. | 1788 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3557 |
4 |
| China Petroleum & Chemical Corporation | 1911 |
4 |
| The Chugoku Electric Power Co., Inc. | 515 |
4 |
| Other owners | 266 |