- 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: 498
10-year publication summary
|
25
|
35
|
37
|
28
|
32
|
48
|
37
|
44
|
28
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4322 |
37 |
| Dow Global Technologies LLC | 10824 |
30 |
| Chevron Phillips Chemical Company LP | 1856 |
18 |
| IFP Energies Nouvelles | 3038 |
16 |
| Saudi Arabian Oil Company | 13949 |
16 |
| ExxonMobil Research And Engineering Company | 2462 |
14 |
| ExxonMobil Chemical Patents Inc. | 3819 |
13 |
| Chevron U.S.A. Inc. | 4103 |
10 |
| BASF SE | 21151 |
8 |
| Korea Research Institute of Chemical Technology | 1451 |
8 |
| Aramco Services Company | 4162 |
6 |
| Catalyst Recovery Europe S.A. | 6 |
6 |
| Eurecat S.A. | 92 |
5 |
| Johnson Matthey Public Limited Company | 1756 |
5 |
| Marathon Petroleum Company LP | 407 |
5 |
| Nippon Kayaku Kabushiki Kaisha | 1469 |
5 |
| Virent, Inc. | 143 |
5 |
| Shell Internationale Research Maatschappij B.V. | 3440 |
4 |
| China Petroleum & Chemical Corporation | 2080 |
4 |
| The Chugoku Electric Power Co., Inc. | 514 |
4 |
| Other owners | 279 |