- All sections
- C - Chemistrymetallurgy
- C10B - Destructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials
- C10B 47/30 - Other processes in rotary ovens or retorts
Patent holdings for IPC class C10B 47/30
Total number of patents in this class: 200
10-year publication summary
|
17
|
8
|
13
|
17
|
12
|
37
|
19
|
17
|
18
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 215 |
40 |
| Mitsubishi Heavy Industries, Ltd. | 8735 |
10 |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 126 |
7 |
| Envirollea Inc. | 23 |
6 |
| Mitsubishi Ube Cement Corporation | 52 |
6 |
| IFP Energies Nouvelles | 2933 |
5 |
| Jiangsu Pengfei Group Co., Ltd. | 21 |
5 |
| Green Carbon, Inc. | 11 |
5 |
| ELG Carbon Fibre International GmbH | 6 |
4 |
| ICM, Inc. | 75 |
3 |
| Neste Oyj | 792 |
3 |
| Nippon Steel Corporation | 6271 |
3 |
| Nippon Steel Engineering Co., Ltd. | 207 |
3 |
| Renergi Pty Ltd | 18 |
3 |
| Ube Industries, Ltd. | 848 |
3 |
| Standard Gas Limited | 8 |
3 |
| Premier Green Energy Holdings Limited | 3 |
3 |
| Circular Resources (IP) Pte Limited | 4 |
3 |
| Aries Clean Technologies, LLC | 21 |
3 |
| Actinon Pte. Ltd. | 4 |
3 |
| Other owners | 79 |