- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 5/05 - Muffle furnacesRetort furnacesOther furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere in vacuum
Patent holdings for IPC class F27B 5/05
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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3
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0
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3
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0
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2
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0
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2
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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
|
|---|---|---|
| Ningbo Hiper Vacuum Technology Co., Ltd | 8 |
3 |
| LG Innotek Co., Ltd. | 8466 |
2 |
| IHI Corporation | 3535 |
2 |
| IHI Machinery and Furnace Co., Ltd. | 76 |
2 |
| Japan Superconductor Technology Inc. | 22 |
2 |
| Tsinghua University | 6211 |
1 |
| Kunming University of Science and Technology | 244 |
1 |
| Nidec Corporation | 2817 |
1 |
| MG Century Mining Corporation | 1 |
1 |
| Fujian Changting Golden Dragon Rare-earth Co., Ltd. | 78 |
1 |
| Quick Intelligent Equipment Co.,Ltd. | 10 |
1 |
| Jiangxi Yg Magnet Co., Ltd. | 12 |
1 |
| Laplace Renewable Energy Technology Co., Ltd. | 28 |
1 |
| 2422353 Ontario Limited | 4 |
1 |
| Other owners | 0 |