- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F23L - Supplying air or non-combustible liquids or gases to combustion apparatus in generalvalves or dampers specially adapted for controlling air supply or draught in combustion apparatusinducing draught in combustion apparatustops for chimneys or ventilating shaftsterminals for flues
- F23L 11/02 - Arrangements of valves or dampers after the fire for reducing draught by admission of air to flues
Patent holdings for IPC class F23L 11/02
Total number of patents in this class: 7
10-year publication summary
|
2
|
3
|
0
|
0
|
2
|
0
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0
|
0
|
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
|
|---|---|---|
| Biochar Now, LLC | 22 |
4 |
| NewAge Products Inc. | 80 |
1 |
| Millennial Net Liquidating Trust | 2 |
1 |
| Clear Rush Corporation | 3 |
1 |
| Other owners | 0 |