- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 37/02 - Impregnation, coating or precipitation
Patent holdings for IPC class B01J 37/02
Total number of patents in this class: 8657
10-year publication summary
|
561
|
667
|
623
|
656
|
585
|
501
|
534
|
545
|
468
|
82
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson Matthey Public Limited Company | 1736 |
365 |
| IFP Energies Nouvelles | 3015 |
303 |
| Umicore AG & Co. KG | 861 |
216 |
| BASF Corporation | 1694 |
215 |
| BASF SE | 21131 |
204 |
| BASF Mobile Emissions Catalysts LLC | 429 |
174 |
| Saudi Arabian Oil Company | 13921 |
163 |
| Cataler Corporation | 578 |
161 |
| LG Chem, Ltd. | 17778 |
144 |
| Toyota Motor Corporation | 34214 |
106 |
| Chevron Phillips Chemical Company LP | 1853 |
101 |
| Shell USA, Inc. | 1282 |
89 |
| SABIC Global Technologies B.V. | 4471 |
87 |
| Shell Internationale Research Maatschappij B.V. | 3493 |
85 |
| China Petroleum & Chemical Corporation | 2015 |
85 |
| Dow Global Technologies LLC | 10742 |
84 |
| Korea Research Institute of Chemical Technology | 1438 |
72 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12560 |
68 |
| Chevron U.S.A. Inc. | 4075 |
67 |
| Shell Oil Company | 2111 |
57 |
| Other owners | 5811 |