- 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: 483
10-year publication summary
|
19
|
25
|
35
|
35
|
24
|
31
|
42
|
35
|
43
|
24
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4259 |
36 |
| Dow Global Technologies LLC | 10571 |
29 |
| Chevron Phillips Chemical Company LP | 1855 |
18 |
| Saudi Arabian Oil Company | 13686 |
15 |
| ExxonMobil Research And Engineering Company | 2537 |
14 |
| ExxonMobil Chemical Patents Inc. | 3942 |
13 |
| IFP Energies Nouvelles | 2983 |
13 |
| Korea Research Institute of Chemical Technology | 1413 |
9 |
| BASF SE | 21098 |
8 |
| Chevron U.S.A. Inc. | 4020 |
8 |
| Aramco Services Company | 4099 |
6 |
| Catalyst Recovery Europe S.A. | 6 |
6 |
| Eurecat S.A. | 89 |
5 |
| Johnson Matthey Public Limited Company | 1768 |
5 |
| Marathon Petroleum Company LP | 380 |
5 |
| Nippon Kayaku Kabushiki Kaisha | 1451 |
5 |
| Virent, Inc. | 126 |
5 |
| Mitsubishi Power, Ltd. | 1809 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3542 |
4 |
| China Petroleum & Chemical Corporation | 1955 |
4 |
| Other owners | 270 |