- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23K - Feeding fuel to combustion apparatus
- F23K 3/18 - Spreader stokers
Patent holdings for IPC class F23K 3/18
Total number of patents in this class: 5
10-year publication summary
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0
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1
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0
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0
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0
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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG Österreich | 318 |
1 |
| Holcim Technology Ltd. | 491 |
1 |
| PBM Funding LLC | 1 |
1 |
| Green Cubes Technology LLC | 78 |
1 |
| Fuller Technologies Denmark A/S | 38 |
1 |
| Other owners | 0 |