- 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: 47
10-year publication summary
|
2
|
2
|
5
|
6
|
3
|
5
|
5
|
10
|
4
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 230 |
9 |
| Advanced Organic Methods Inc. | 3 |
3 |
| China Petroleum & Chemical Corporation | 2027 |
2 |
| SunCor Energy Inc. | 743 |
2 |
| Valmet AB | 533 |
2 |
| Ecap BioEnergy, LLC | 9 |
2 |
| Concord Blue Patent GmbH | 6 |
2 |
| Bygen Pty Ltd | 8 |
2 |
| Sinopec Dalian Research Institute of Petroleum and Petrochemicals Co., Ltd. | 116 |
2 |
| Biochar Now, LLC | 22 |
1 |
| Blucher GmbH | 175 |
1 |
| Ohio University | 363 |
1 |
| SABIC Global Technologies B.V. | 4477 |
1 |
| Southeast University | 1505 |
1 |
| Titan Clean Energy Projects Corporation | 18 |
1 |
| The University of Adelaide | 171 |
1 |
| Zhejiang University | 3350 |
1 |
| AL Chalabi, Rifat | 3 |
1 |
| Azamour Investment Corporation Incorporated | 4 |
1 |
| National Research Council | 4 |
1 |
| Other owners | 10 |