- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen 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: 31
10-year publication summary
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1
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4
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0
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1
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1
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1
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1
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1
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4
|
2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stopinc Aktiengesellschaft | 34 |
2 |
| LG Chem, Ltd. | 17561 |
1 |
| Hitachi Metals, Ltd. | 1990 |
1 |
| EagleBurgmann Germany GmbH & Co. KG | 337 |
1 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1185 |
1 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1153 |
1 |
| Kurimoto, Ltd. | 91 |
1 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3932 |
1 |
| Luzhou Landlong Cement Co., Ltd. | 2 |
1 |
| Mitsui Mining & Smelting Co., Ltd. | 1470 |
1 |
| Sea Marconi Technologies di Vander Tumiatti S.A.S. | 10 |
1 |
| Sumitomo Heavy Industries, Ltd. | 1875 |
1 |
| ThyssenKrupp AG | 3266 |
1 |
| ThyssenKrupp Industrial Solutions AG | 636 |
1 |
| Vicat | 97 |
1 |
| FLSmidth A/S | 769 |
1 |
| Riedhammer GmbH | 18 |
1 |
| Mitsubishi Heavy Industries Engineering, Ltd. | 196 |
1 |
| Jing Leei Enterprise Co., Ltd. | 2 |
1 |
| GAIA Institute of Environment Technology Inc. | 1 |
1 |
| Other owners | 10 |