- All sections
- C - Chemistry; metallurgy
- 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: 194
10-year publication summary
|
17
|
8
|
13
|
17
|
13
|
37
|
20
|
17
|
17
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbon Technology Holdings, LLC | 199 |
37 |
| Mitsubishi Heavy Industries, Ltd. | 8515 |
10 |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 124 |
7 |
| Envirollea Inc. | 22 |
6 |
| Mitsubishi Ube Cement Corporation | 52 |
6 |
| IFP Energies Nouvelles | 2818 |
5 |
| Green Carbon, Inc. | 11 |
5 |
| ELG Carbon Fibre International GmbH | 6 |
4 |
| ICM, Inc. | 73 |
3 |
| Nippon Steel Corporation | 5991 |
3 |
| Nippon Steel Engineering Co., Ltd. | 219 |
3 |
| Renergi Pty Ltd | 18 |
3 |
| Ube Industries, Ltd. | 881 |
3 |
| Standard Gas Limited | 8 |
3 |
| Jiangsu Pengfei Group Co., Ltd. | 17 |
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 |
| Renuva, Inc. | 5 |
3 |
| Other owners | 78 |