- All sections
- B - Performing operations; transporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistry; their relevant apparatus
- B01J 23/74 - Iron group metals
Patent holdings for IPC class B01J 23/74
Total number of patents in this class: 483
10-year publication summary
|
39
|
22
|
28
|
39
|
30
|
24
|
11
|
21
|
19
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Magema Technology, LLC | 33 |
20 |
| IFP Energies Nouvelles | 2717 |
18 |
| Chevron U.S.A. Inc. | 3774 |
14 |
| Uop LLC | 4083 |
12 |
| Johnson Matthey Public Limited Company | 1852 |
10 |
| Umicore AG & Co. KG | 867 |
10 |
| Toyota Motor Corporation | 28582 |
9 |
| Hyundai Motor Company | 19021 |
9 |
| Korea Institute of Energy Research | 803 |
9 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
8 |
| LG Chem, Ltd. | 17205 |
6 |
| BASF Corporation | 2039 |
6 |
| ExxonMobil Research And Engineering Company | 2830 |
5 |
| Research Triangle Institute | 389 |
5 |
| Samsung SDI Co., Ltd. | 6671 |
4 |
| Monsanto Technology LLC | 7905 |
4 |
| BP p.l.c. | 498 |
4 |
| Shell USA, Inc. | 1074 |
4 |
| Shell Oil Company | 2196 |
3 |
| Korea Advanced Institute of Science and Technology | 3906 |
3 |
| Other owners | 320 |