- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/215 - PurificationRecovery or purification of graphite formed in iron making, e.g. kish graphite
Patent holdings for IPC class C01B 32/215
Total number of patents in this class: 96
10-year publication summary
|
0
|
3
|
7
|
6
|
3
|
9
|
10
|
24
|
19
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbonscape Limited | 21 |
5 |
| Guangdong Brunp Recycling Technology Co., Ltd | 984 |
5 |
| Hunan Brunp Recycling Technology Co., Ltd. | 947 |
5 |
| Talga Technologies Limited | 24 |
4 |
| Ecograf Limited | 6 |
4 |
| Ascend Elements, Inc. | 50 |
4 |
| Primobius GmbH | 7 |
4 |
| Mexichem Fluor Inc. | 5 |
4 |
| Commonwealth Scientific and Industrial Research Organisation | 1675 |
3 |
| Hatch Ltd. | 215 |
2 |
| King Abdullah University of Science and Technology | 1745 |
2 |
| Thomas Swan & Co. Ltd. | 23 |
2 |
| Nouveau Monde Graphite Inc. | 10 |
2 |
| Raymor Industries Inc. | 14 |
2 |
| BASF SE | 20421 |
1 |
| The Regents of the University of California | 19544 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10693 |
1 |
| A-Tech Corporation | 3 |
1 |
| Case Western Reserve University | 1774 |
1 |
| Central South University | 407 |
1 |
| Other owners | 42 |