Burner unit
US-2023400183-A1 · Dec 14, 2023 · US
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Devices for mixing evaporated fuel with air
Devices for mixing evaporated fuel with air · 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 | F23D3/22 |
| Official title | Devices for mixing evaporated fuel with air |
| Display label | Devices for mixing evaporated fuel with air |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Evaporator assembly for mobile heating devices
US-11530813-B2 · Dec 20, 2022 · US
Evaporator assembly for mobile heating devices
US-2021215335-A1 · Jul 15, 2021 · US
Smokeless safe combustion device
US-11002449-B2 · May 11, 2021 · US
Combustion device with heat dissipating design
US-10816196-B2 · Oct 27, 2020 · US
Nozzle with multi-tube fuel passageway for gas turbine engines
US-9562692-B2 · Feb 7, 2017 · US
Nozzle with multi-tube fuel passageway for gas turbine engines
US-2015047361-A1 · Feb 19, 2015 · US