- 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: 20
10-year publication summary
|
1
|
0
|
1
|
4
|
0
|
3
|
1
|
3
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Finn Recycling Oy | 10 |
3 |
| Altek, L.L.C. | 15 |
2 |
| Hitachi Metals, Ltd. | 1896 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 11834 |
1 |
| Erasteel | 30 |
1 |
| The Japan Steel Works, Ltd. | 826 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4118 |
1 |
| Outotec Oyj | 235 |
1 |
| Pyrotek, Inc. | 207 |
1 |
| SMS Group GmbH | 1200 |
1 |
| Universidad Pontificia Bolivariana | 26 |
1 |
| Escuela de Ingenieria de Antioquia | 3 |
1 |
| Jiangsu Haijian Stock Co., Ltd. | 9 |
1 |
| LG Energy Solution, Ltd. | 19066 |
1 |
| Metso Metals Oy | 225 |
1 |
| Innovation & Development Company | 3 |
1 |
| Metso Metals Oy | 4 |
1 |
| Other owners | 0 |