- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 7/12 - Rotary-drum furnaces, i.e. horizontal or slightly inclined tiltable
Patent holdings for IPC class F27B 7/12
Total number of patents in this class: 19
10-year publication summary
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0
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1
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0
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1
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4
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0
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3
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1
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3
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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
|
|---|---|---|
| Finn Recycling Oy | 12 |
3 |
| Altek, L.L.C. | 15 |
2 |
| Hitachi Metals, Ltd. | 1983 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 11416 |
1 |
| Erasteel | 31 |
1 |
| The Japan Steel Works, Ltd. | 742 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3985 |
1 |
| Outotec Oyj | 278 |
1 |
| Pyrotek, Inc. | 201 |
1 |
| Universidad Pontificia Bolivariana | 24 |
1 |
| Escuela de Ingenieria de Antioquia | 3 |
1 |
| Jiangsu Haijian Stock Co., Ltd. | 9 |
1 |
| LG Energy Solution, Ltd. | 15055 |
1 |
| Metso Metals Oy | 207 |
1 |
| Innovation & Development Company | 3 |
1 |
| Metso Metals Oy | 4 |
1 |
| Other owners | 0 |