- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23H - Gratescleaning or raking grates
- F23H 3/04 - Grates with hollow bars externally cooled, e.g. with water, steam, or air
Patent holdings for IPC class F23H 3/04
Total number of patents in this class: 8
10-year publication summary
|
1
|
0
|
2
|
0
|
0
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0
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0
|
1
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seko-Patent GmbH | 4 |
2 |
| Kanadevia iNova AG | 79 |
2 |
| Doikos Investments Ltd. | 5 |
1 |
| Hitachi Zosen iNova AG | 45 |
1 |
| Shenzhen Lianchuang Electrical Appliance Industry Co., Ltd. | 6 |
1 |
| Wuxi Huaguang Environment & Energy Group Co., Ltd. | 2 |
1 |
| Other owners | 0 |