- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 7/06 - Rotary-drum furnaces, i.e. horizontal or slightly inclined adapted for treating the charge in vacuum or special atmosphere
Patent holdings for IPC class F27B 7/06
Total number of patents in this class: 45
10-year publication summary
|
1
|
1
|
6
|
5
|
1
|
2
|
2
|
8
|
7
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Semiconductor Energy Laboratory Co., Ltd. | 11821 |
2 |
| EagleBurgmann Germany GmbH & Co. KG | 356 |
2 |
| Guangzhou Tinci Materials Technology Co., Ltd. | 158 |
2 |
| Pyrogenesis Canada, Inc. | 66 |
2 |
| ThyssenKrupp AG | 3409 |
2 |
| Riedhammer GmbH | 21 |
2 |
| thyssenkrupp Polysius GmbH | 165 |
2 |
| Tinci Materials (Taizhou) Co., Ltd. | 10 |
2 |
| Air Products and Chemicals, Inc. | 1471 |
1 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5257 |
1 |
| Andritz Inc. | 322 |
1 |
| Australian Nuclear Science and Technology Organisation | 68 |
1 |
| Blucher GmbH | 176 |
1 |
| British American Tobacco (Investments) Limited | 1001 |
1 |
| Envirollea Inc. | 16 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1265 |
1 |
| Harper International Corp. | 13 |
1 |
| Heraeus Quarzglas GmbH & Co. KG | 417 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1226 |
1 |
| Iluka Resources Limited | 35 |
1 |
| Other owners | 17 |