- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 7/22 - Rotary drumsSupports therefor
Patent holdings for IPC class F27B 7/22
Total number of patents in this class: 60
10-year publication summary
|
5
|
4
|
2
|
2
|
3
|
3
|
5
|
7
|
4
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nano One Materials Corp. | 71 |
3 |
| Novelis Inc. | 754 |
3 |
| ThyssenKrupp AG | 3303 |
3 |
| LG Chem, Ltd. | 17643 |
2 |
| Sumitomo Chemical Company, Limited | 9051 |
2 |
| Fives FCB | 58 |
2 |
| Gencor Industries, Inc. | 67 |
2 |
| Holcim Technology Ltd. | 779 |
2 |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 126 |
2 |
| Noritake Co., Limited | 260 |
2 |
| ThyssenKrupp Industrial Solutions AG | 632 |
2 |
| Shijiazhuang Xinhua Energy Environmental Technology Co., Ltd. | 3 |
2 |
| Hitachi Metals, Ltd. | 1976 |
1 |
| Applied Materials, Inc. | 18819 |
1 |
| 3i Supply Company | 1 |
1 |
| Aktiebolaget SKF | 2970 |
1 |
| Analogic Corporation | 313 |
1 |
| Andritz Inc. | 332 |
1 |
| Black Bear Carbon B.V. | 14 |
1 |
| Danieli & C. Officine Meccaniche S.p.A. | 718 |
1 |
| Other owners | 25 |