- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 7/04 - Rotary-drum furnaces, i.e. horizontal or slightly inclined of multiple-chamber or multiple-drum type with longitudinal divisions
Patent holdings for IPC class F27B 7/04
Total number of patents in this class: 10
10-year publication summary
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2
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0
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1
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1
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1
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1
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2
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1
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0
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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
|
|---|---|---|
| Heraeus Quarzglas GmbH & Co. KG | 408 |
2 |
| Florida State University Research Foundation, Inc. | 759 |
1 |
| Industrial Accessories Company | 10 |
1 |
| Toda Kogyo Corporation | 339 |
1 |
| China ENFI Engineering Corp. | 103 |
1 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6121 |
1 |
| Zhaoyuan Huichao New Energy Technology Co., Ltd. | 13 |
1 |
| LG Energy Solution, Ltd. | 15292 |
1 |
| Truyoins S.r.l. | 7 |
1 |
| Other owners | 0 |