- 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: 1799
10-year publication summary
|
110
|
105
|
116
|
126
|
132
|
152
|
108
|
122
|
129
|
76
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 213 |
42 |
| Nisshinbo Holdings Inc. | 371 |
36 |
| Archer Daniels Midland Company | 1122 |
30 |
| BASF SE | 20940 |
27 |
| National University Corporation Gunma University | 296 |
23 |
| Centre National de La Recherche Scientifique | 10464 |
19 |
| LG Chem, Ltd. | 17635 |
18 |
| Saudi Arabian Oil Company | 13224 |
17 |
| Toyota Motor Corporation | 32450 |
15 |
| China Petroleum & Chemical Corporation | 1901 |
15 |
| Hyundai Motor Company | 22086 |
13 |
| Johnson Matthey Public Limited Company | 1866 |
13 |
| Honeywell International Inc. | 13540 |
12 |
| Korea Institute of Science and Technology | 2123 |
12 |
| Korea Institute of Energy Research | 855 |
12 |
| BASF Corporation | 1716 |
11 |
| Hon Hai Precision Industry Co., Ltd. | 4027 |
11 |
| Monsanto Technology LLC | 8317 |
11 |
| Tsinghua University | 5940 |
11 |
| Imam Abdulrahman Bin Faisal University | 527 |
11 |
| Other owners | 1440 |