- All sections
- C - Chemistrymetallurgy
- C10B - Destructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials
- C10B 25/20 - Lids or closures for charging holes
Patent holdings for IPC class C10B 25/20
Total number of patents in this class: 5
10-year publication summary
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0
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1
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0
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0
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1
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0
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0
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0
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0
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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
|
|---|---|---|
| Biochar Now, LLC | 22 |
1 |
| Deltavalve, LLC | 52 |
1 |
| Enventix, Inc. | 6 |
1 |
| Houston Engineering Solutions, LLC | 6 |
1 |
| ThyssenKrupp Uhde GmbH | 322 |
1 |
| Other owners | 0 |