- All sections
- B - Performing operationstransporting
- B01J - Chemical or physical processes, e.g. catalysis or colloid chemistrytheir relevant apparatus
- B01J 21/18 - Carbon
Patent holdings for IPC class B01J 21/18
Total number of patents in this class: 1841
10-year publication summary
|
110
|
105
|
116
|
126
|
133
|
152
|
109
|
122
|
129
|
117
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 221 |
43 |
| Nisshinbo Holdings Inc. | 376 |
37 |
| Archer Daniels Midland Company | 1129 |
30 |
| BASF SE | 21098 |
27 |
| National University Corporation Gunma University | 297 |
23 |
| Centre National de La Recherche Scientifique | 10706 |
19 |
| LG Chem, Ltd. | 17706 |
18 |
| China Petroleum & Chemical Corporation | 1955 |
17 |
| Saudi Arabian Oil Company | 13686 |
17 |
| Toyota Motor Corporation | 33519 |
15 |
| Hyundai Motor Company | 22842 |
13 |
| Korea Institute of Science and Technology | 2157 |
13 |
| Honeywell International Inc. | 13571 |
12 |
| Korea Institute of Energy Research | 870 |
12 |
| BASF Corporation | 1711 |
11 |
| Hon Hai Precision Industry Co., Ltd. | 4024 |
11 |
| Monsanto Technology LLC | 8273 |
11 |
| Tsinghua University | 6023 |
11 |
| Imam Abdulrahman Bin Faisal University | 546 |
11 |
| Evonik Operations GmbH | 4181 |
11 |
| Other owners | 1479 |