- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/39 - Apparatus for the preparation thereof
Patent holdings for IPC class C01B 32/39
Total number of patents in this class: 57
10-year publication summary
|
3
|
2
|
6
|
6
|
3
|
7
|
5
|
11
|
5
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 235 |
10 |
| Southeast University | 1591 |
3 |
| Valmet AB | 569 |
3 |
| Advanced Organic Methods Inc. | 3 |
3 |
| China Petroleum & Chemical Corporation | 2190 |
2 |
| SunCor Energy Inc. | 719 |
2 |
| Titan Clean Energy Projects Corporation | 19 |
2 |
| Ecap BioEnergy, LLC | 9 |
2 |
| Concord Blue Patent GmbH | 6 |
2 |
| Bygen Pty Ltd | 9 |
2 |
| Sinopec Dalian Research Institute of Petroleum and Petrochemicals Co., Ltd. | 152 |
2 |
| Hyundai Motor Company | 25190 |
1 |
| Biochar Now, LLC | 22 |
1 |
| Blucher GmbH | 175 |
1 |
| Group14 Technologies, Inc. | 123 |
1 |
| Institute for Advanced Engineering | 73 |
1 |
| Ohio University | 357 |
1 |
| SABIC Global Technologies B.V. | 4633 |
1 |
| The University of Adelaide | 126 |
1 |
| Zhejiang University | 3494 |
1 |
| Other owners | 15 |