- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open 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: 17
10-year publication summary
|
2
|
0
|
1
|
0
|
1
|
4
|
0
|
3
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Finn Recycling Oy | 12 |
3 |
| Altek, L.L.C. | 16 |
2 |
| Metso Metals Oy | 205 |
2 |
| Hitachi Metals, Ltd. | 2175 |
1 |
| Erasteel | 25 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
1 |
| Outotec Oyj | 318 |
1 |
| Pyrotek, Inc. | 193 |
1 |
| Universidad Pontificia Bolivariana | 22 |
1 |
| Escuela de Ingenieria de Antioquia | 3 |
1 |
| Jiangsu Haijian Stock Co., Ltd. | 9 |
1 |
| LG Energy Solution, Ltd. | 10813 |
1 |
| Innovation & Development Company | 3 |
1 |
| Other owners | 0 |