- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 7/30 - Arrangements of partitions
Patent holdings for IPC class F27B 7/30
Total number of patents in this class: 13
10-year publication summary
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2
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3
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0
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1
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2
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1
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0
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0
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2
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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
|
|---|---|---|
| Central Motor Wheel Co., Ltd. | 91 |
1 |
| Heraeus Quarzglas GmbH & Co. KG | 409 |
1 |
| The Japan Steel Works, Ltd. | 709 |
1 |
| The Quartz Corp USA | 4 |
1 |
| Renergi Pty Ltd | 18 |
1 |
| Rio Tinto ALCAN International Limited | 215 |
1 |
| Sanken Sangyo Co., Ltd. | 7 |
1 |
| Amit Tandon | 3 |
1 |
| Jing Leei Enterprise Co., Ltd. | 2 |
1 |
| Hunan Dingjiu Energy and Environment Technology Ltd. | 3 |
1 |
| ZHU, Xiaotao | 13 |
1 |
| Hsuan-Jung Chen | 2 |
1 |
| Alternative Fuel Technology Kft. | 1 |
1 |
| Other owners | 0 |