- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 3/06 - Hearth-type furnaces, e.g. of reverberatory typeElectric arc furnaces with movable working chambers or hearths, e.g. tiltable
Patent holdings for IPC class F27B 3/06
Total number of patents in this class: 64
10-year publication summary
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1
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3
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2
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2
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3
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1
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2
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5
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4
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4
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danieli & C. Officine Meccaniche S.p.A. | 720 |
4 |
| SMS Siemag Aktiengesellschaft | 486 |
4 |
| Amerifab, Inc. | 52 |
3 |
| Primetals Technologies Austria GmbH | 573 |
3 |
| Valunor AG | 5 |
3 |
| Siemens AG | 24029 |
2 |
| Siemens VAI Metals Technologies GmbH | 204 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
2 |
| Avril | 70 |
2 |
| Axens | 296 |
2 |
| Bionext | 21 |
2 |
| Gautschi Engineering GmbH | 12 |
2 |
| IFP Energies Nouvelles | 3098 |
2 |
| Kobe Steel, Ltd. | 899 |
2 |
| Nippon Steel Corporation | 6871 |
2 |
| ThyssenKrupp Uhde GmbH | 379 |
2 |
| New Wave Ceramic Crucibles LLC | 2 |
2 |
| Totalenergies Onetech | 1535 |
2 |
| Continuum Powders Corporation | 33 |
2 |
| Systems Spray-Cooled, LLC | 32 |
2 |
| Other owners | 17 |