- All sections
- C - Chemistrymetallurgy
- C10B - Destructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials
- C10B 29/04 - Controlling or preventing expansion or contraction
Patent holdings for IPC class C10B 29/04
Total number of patents in this class: 20
10-year publication summary
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0
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2
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0
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0
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5
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2
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1
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2
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2
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1
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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 | 238 |
8 |
| AZZ WSI LLC | 19 |
2 |
| Deltavalve, LLC | 52 |
2 |
| Vanocur Refractories, L.L.C. | 31 |
2 |
| Houston Engineering Solutions, LLC | 6 |
1 |
| Sumitomo Heavy Industries Process Equipment Co., Ltd. | 25 |
1 |
| China First Metallurgical Group Co., Ltd. | 4 |
1 |
| Scanship AS | 11 |
1 |
| China Mcc5 Group Corp. Ltd | 25 |
1 |
| Waventech Tecnologia EM Micro-ondas Ltda | 1 |
1 |
| Other owners | 0 |