Combustion device
US-10712001-B2 · Jul 14, 2020 · US
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Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F23L17/00 |
| Official title | Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues |
| Display label | Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Exhaust system with directed energy beam interference avoidance system
US-10619518-B2 · Apr 14, 2020 · US
Steam vent system
US-10428514-B2 · Oct 1, 2019 · US
Combustion device
US-2019093888-A1 · Mar 28, 2019 · US
Steam vent system
US-2018334791-A1 · Nov 22, 2018 · US
Combined combustion device
US-10024536-B2 · Jul 17, 2018 · US
Exhaust system with directed energy beam interference avoidance system
US-2018045076-A1 · Feb 15, 2018 · US
Vacuum pump with abatement function
US-9822974-B2 · Nov 21, 2017 · US
Combined combustion device
US-2016123585-A1 · May 5, 2016 · US