- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open 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: 33
10-year publication summary
|
4
|
4
|
2
|
0
|
5
|
3
|
5
|
3
|
3
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
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. | 8217 |
2 |
| Berry Metal Company | 52 |
2 |
| Blucher GmbH | 192 |
2 |
| The Japan Steel Works, Ltd. | 597 |
2 |
| Zhaoyuan Huichao New Energy Technology Co., Ltd. | 13 |
2 |
| Hitachi Metals, Ltd. | 2175 |
1 |
| Applied Materials, Inc. | 16587 |
1 |
| British American Tobacco (Investments) Limited | 1032 |
1 |
| Central Motor Wheel Co., Ltd. | 92 |
1 |
| Eisenmann SE | 154 |
1 |
| Harper International Corp. | 15 |
1 |
| Hitech S.r.l. | 1 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
1 |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co., Ltd. | 122 |
1 |
| Nisshin Engineering Inc. | 55 |
1 |
| Novelis Inc. | 656 |
1 |
| Sanken Sangyo Co., Ltd. | 5 |
1 |
| Other owners | 2 |