- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 7/14 - Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge
Patent holdings for IPC class F27B 7/14
Total number of patents in this class: 36
10-year publication summary
|
4
|
2
|
0
|
5
|
3
|
5
|
3
|
3
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Envirollea Inc. | 23 |
3 |
| Hatch Pty Ltd | 11 |
3 |
| Red Mud Enterprises LLC | 5 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8715 |
2 |
| Berry Metal Company | 52 |
2 |
| Blucher GmbH | 178 |
2 |
| The Japan Steel Works, Ltd. | 742 |
2 |
| Zhaoyuan Huichao New Energy Technology Co., Ltd. | 13 |
2 |
| Hitachi Metals, Ltd. | 1982 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 11403 |
1 |
| Applied Materials, Inc. | 18621 |
1 |
| British American Tobacco (Investments) Limited | 1027 |
1 |
| Central Motor Wheel Co., Ltd. | 90 |
1 |
| Eisenmann SE | 146 |
1 |
| Harper International Corp. | 14 |
1 |
| Hitech S.r.l. | 1 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3975 |
1 |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 125 |
1 |
| Nisshin Engineering Inc. | 60 |
1 |
| Novelis Inc. | 750 |
1 |
| Other owners | 5 |