- 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: 51
10-year publication summary
|
3
|
2
|
6
|
6
|
3
|
7
|
5
|
11
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 231 |
9 |
| Advanced Organic Methods Inc. | 3 |
3 |
| China Petroleum & Chemical Corporation | 2142 |
2 |
| SunCor Energy Inc. | 735 |
2 |
| Titan Clean Energy Projects Corporation | 19 |
2 |
| Valmet AB | 553 |
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. | 139 |
2 |
| Hyundai Motor Company | 24578 |
1 |
| Biochar Now, LLC | 22 |
1 |
| Blucher GmbH | 177 |
1 |
| Institute for Advanced Engineering | 70 |
1 |
| Ohio University | 357 |
1 |
| SABIC Global Technologies B.V. | 4592 |
1 |
| Southeast University | 1543 |
1 |
| The University of Adelaide | 171 |
1 |
| Zhejiang University | 3436 |
1 |
| AL Chalabi, Rifat | 3 |
1 |
| Other owners | 13 |