Aircraft operation
US-12241422-B2 · Mar 4, 2025 · US
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by conjoint operation of two or more valves or dampers (by power-assisted systems F23N3/08)
by conjoint operation of two or more valves or dampers (by power-assisted systems F23N3/08) · 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 | F23N3/06 |
| Official title | by conjoint operation of two or more valves or dampers (by power-assisted systems F23N3/08) |
| Display label | by conjoint operation of two or more valves or dampers (by power-assisted systems F23N3/08) |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aircraft operation
US-2024117771-A1 · Apr 11, 2024 · US
Flame module for a spectrometer
US-11953203-B2 · Apr 9, 2024 · US
Aircraft operation
US-11859565-B2 · Jan 2, 2024 · US
Systems and methods of configuring a heating system
US-11852340-B2 · Dec 26, 2023 · US
Aircraft operation
US-2023193837-A1 · Jun 22, 2023 · US
Systems and methods of configuring a heating system
US-2022316704-A1 · Oct 6, 2022 · US
System and method for synchronized oxy-fuel boosting of a regenerative glass melting furnace
US-11261117-B2 · Mar 1, 2022 · US
Flame module for a spectrometer
US-2021207802-A1 · Jul 8, 2021 · US
System and method for synchronized oxy-fuel boosting of a regenerative glass melting furnace
US-2021122659-A1 · Apr 29, 2021 · US
Gas turbine engine uncontrolled high thrust accommodation system and method
US-10156190-B2 · Dec 18, 2018 · US
Oxyfuel combustion boiler system
US-9945558-B2 · Apr 17, 2018 · US
Dual venturi for water heater
US-9709264-B2 · Jul 18, 2017 · US
Dual venturi for water heater
US-9644839-B2 · May 9, 2017 · US
Gas turbine engine uncontrolled high thrust accommodation system and method
US-2016341066-A1 · Nov 24, 2016 · US
Dual venturi for water heater
US-2015064637-A1 · Mar 5, 2015 · US
Dual venturi for water heater
US-2015064636-A1 · Mar 5, 2015 · US