- All sections
- C - Chemistrymetallurgy
- C10B - Destructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials
- C10B 21/20 - Methods of heating ovens of the chamber oven type
Patent holdings for IPC class C10B 21/20
Total number of patents in this class: 20
10-year publication summary
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1
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1
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1
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3
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2
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1
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1
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1
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3
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| SunCoke Technology and Development LLC | 223 |
6 |
| ThyssenKrupp AG | 3246 |
3 |
| ThyssenKrupp Industrial Solutions AG | 636 |
3 |
| Tokyo Electron Limited | 12420 |
2 |
| Blue Horizon Holdings, Inc. | 4 |
2 |
| E-sunscience Co., Ltd. | 3 |
1 |
| Ensyn Renewables, Inc. | 73 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3899 |
1 |
| Xylo-Carbone Inc. | 2 |
1 |
| Other owners | 0 |