- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27D - Details or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace
- F27D 17/25 - Arrangements for treatment or cleaning of waste gases for removing solid constituents using cyclones
Patent holdings for IPC class F27D 17/25
Total number of patents in this class: 7
10-year publication summary
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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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1
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2
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3
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Calix Ltd | 93 |
2 |
| SunCoke Technology and Development LLC | 251 |
2 |
| Taiheiyo Cement Corporation | 238 |
1 |
| Taiyo Nippon Sanso Corporation | 366 |
1 |
| Tecnored Desenvolvimento Tecnologico S.A. | 39 |
1 |
| Other owners | 0 |