Device for regulating a mixing ratio of a gas mixture
US-12140309-B2 · Nov 12, 2024 · US
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using electrical or electromechanical means
using electrical or electromechanical means · 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 | F23N5/187 |
| Official title | {using electrical or electromechanical means} |
| Display label | using electrical or electromechanical means |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gas shutoff device, and wireless device for gas shutoff device
US-2024369222-A1 · Nov 7, 2024 · US
Systems for avoiding harmonic modes of gas burners
US-11608984-B1 · Mar 21, 2023 · US
Gas burner systems and methods for calibrating gas burner systems
US-11608983-B2 · Mar 21, 2023 · US
Gas burner systems and methods for calibrating gas burner systems
US-2022170635-A1 · Jun 2, 2022 · US
Gas hot water supply
US-11280520-B2 · Mar 22, 2022 · US
Device for regulating a mixing ratio of a gas mixture
US-2021388985-A1 · Dec 16, 2021 · US
Gas shutoff device, and radio device for gas shutoff device
US-2021054997-A1 · Feb 25, 2021 · US
Pneumatic actuating injet valve with delayed shutoff
US-10928064-B2 · Feb 23, 2021 · US
Gas hot water supply
US-2020232678-A1 · Jul 23, 2020 · US
Pneumatic actuating injet valve with delayed shutoff
US-2020232640-A1 · Jul 23, 2020 · US
Systems and methods for avoiding harmonic modes of gas burners
US-10718518-B2 · Jul 21, 2020 · US
Systems and methods for valve and/or combustion applicance control
US-10591161-B2 · Mar 17, 2020 · US
Systems and methods for valve and/or combustion applicance control
US-2019376687-A1 · Dec 12, 2019 · US
Apparatus and method for detecting furnace flooding
US-10378765-B2 · Aug 13, 2019 · US
Systems and Methods for Avoiding Harmonic Modes of Gas Burners
US-2019162408-A1 · May 30, 2019 · US
Apparatus and method for detecting furnace flooding
US-2018306444-A1 · Oct 25, 2018 · US
Performance of a gas-fired appliance by use of fuel injection technology
US-2018172316-A1 · Jun 21, 2018 · US
Prefabricated integrated combustion assemblies and methods of installing the same into a combustion system
US-2018023810-A1 · Jan 25, 2018 · US
Dual sensor combustion system
US-9791172-B2 · Oct 17, 2017 · US