- 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: 472
10-year publication summary
|
19
|
25
|
35
|
35
|
24
|
31
|
42
|
35
|
43
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4237 |
36 |
| Dow Global Technologies LLC | 10360 |
29 |
| Chevron Phillips Chemical Company LP | 1833 |
18 |
| ExxonMobil Research And Engineering Company | 2570 |
14 |
| Saudi Arabian Oil Company | 13224 |
14 |
| ExxonMobil Chemical Patents Inc. | 3977 |
13 |
| IFP Energies Nouvelles | 2937 |
11 |
| Korea Research Institute of Chemical Technology | 1393 |
9 |
| BASF SE | 20940 |
8 |
| Chevron U.S.A. Inc. | 3967 |
8 |
| Aramco Services Company | 3987 |
6 |
| Catalyst Recovery Europe S.A. | 6 |
6 |
| Eurecat S.A. | 90 |
5 |
| Johnson Matthey Public Limited Company | 1866 |
5 |
| Nippon Kayaku Kabushiki Kaisha | 1435 |
5 |
| Virent, Inc. | 125 |
5 |
| Mitsubishi Power, Ltd. | 1772 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3548 |
4 |
| The Chugoku Electric Power Co., Inc. | 513 |
4 |
| Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 671 |
4 |
| Other owners | 263 |