- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open sintering or like apparatus
- F27B 7/33 - Arrangement of devices for discharging
Patent holdings for IPC class F27B 7/33
Total number of patents in this class: 29
10-year publication summary
|
1
|
4
|
0
|
1
|
1
|
1
|
1
|
1
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stopinc Aktiengesellschaft | 35 |
2 |
| LG Chem, Ltd. | 17639 |
1 |
| Hitachi Metals, Ltd. | 2021 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 981 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 945 |
1 |
| Kurimoto, Ltd. | 91 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3599 |
1 |
| Luzhou Landlong Cement Co., Ltd. | 2 |
1 |
| Mitsui Mining & Smelting Co., Ltd. | 1426 |
1 |
| Sea Marconi Technologies di Vander Tumiatti S.A.S. | 10 |
1 |
| Sumitomo Heavy Industries, Ltd. | 1815 |
1 |
| ThyssenKrupp AG | 3207 |
1 |
| ThyssenKrupp Industrial Solutions AG | 690 |
1 |
| Vicat | 92 |
1 |
| FLSmidth A/S | 859 |
1 |
| Riedhammer GmbH | 17 |
1 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 198 |
1 |
| Jing Leei Enterprise Co., Ltd. | 2 |
1 |
| GAIA Institute of Environment Technology Inc. | 1 |
1 |
| Chisaki Corporation | 1 |
1 |
| Other owners | 8 |