- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 23/74 - Iron group metals
Patent holdings for IPC class B01J 23/74
Total number of patents in this class: 484
10-year publication summary
|
28
|
39
|
30
|
24
|
13
|
25
|
22
|
20
|
23
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Magema Technology, LLC | 39 |
25 |
| IFP Energies Nouvelles | 3098 |
17 |
| Chevron U.S.A. Inc. | 4140 |
15 |
| Uop LLC | 4393 |
12 |
| Korea Institute of Energy Research | 898 |
10 |
| Toyota Motor Corporation | 35772 |
9 |
| Johnson Matthey Public Limited Company | 1768 |
9 |
| Hyundai Motor Company | 24653 |
8 |
| LG Chem, Ltd. | 17921 |
7 |
| Umicore AG & Co. KG | 853 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
6 |
| BASF Corporation | 1681 |
6 |
| ExxonMobil Research And Engineering Company | 2422 |
5 |
| Research Triangle Institute | 418 |
5 |
| BP p.l.c. | 536 |
4 |
| Genesis Research Institute, Inc. | 25 |
4 |
| Shell USA, Inc. | 1315 |
4 |
| Samsung SDI Co., Ltd. | 10589 |
3 |
| Monsanto Technology LLC | 8568 |
3 |
| Shell Oil Company | 2071 |
3 |
| Other owners | 322 |