- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 7/08 - Rotary-drum furnaces, i.e. horizontal or slightly inclined externally heated
Patent holdings for IPC class F27B 7/08
Total number of patents in this class: 55
10-year publication summary
|
3
|
3
|
0
|
1
|
6
|
7
|
4
|
10
|
7
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 125 |
5 |
| LG Chem, Ltd. | 17594 |
4 |
| Zhaoyuan Huichao New Energy Technology Co., Ltd. | 13 |
4 |
| Pometon SpA | 9 |
3 |
| ARDEX Group GmbH | 15 |
3 |
| Semiconductor Energy Laboratory Co., Ltd. | 11385 |
2 |
| Applied Materials, Inc. | 18501 |
1 |
| Andritz Oy | 282 |
1 |
| Australian Nuclear Science and Technology Organisation | 69 |
1 |
| Chugai Ro Co., Ltd. | 128 |
1 |
| Eisenmann SE | 146 |
1 |
| Envirollea Inc. | 23 |
1 |
| Global Intelligent Fuel AB | 1 |
1 |
| Harper International Corp. | 14 |
1 |
| Iluka Resources Limited | 37 |
1 |
| The Japan Steel Works, Ltd. | 741 |
1 |
| KHD Humboldt Wedag GmbH | 191 |
1 |
| Nippon Steel Engineering Co., Ltd. | 205 |
1 |
| Pyrotek, Inc. | 202 |
1 |
| Renergi Pty Ltd | 18 |
1 |
| Other owners | 20 |