Combustion apparatus with mass flow sensor
US-12595773-B2 · Apr 7, 2026 · US
using detectors sensitive to rate of flow of air
using detectors sensitive to rate of flow of 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 | F23N2005/181 |
| Official title | {using detectors sensitive to rate of flow of air} |
| Display label | using detectors sensitive to rate of flow of air |
| Total patents | 53 |
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 | 3 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 9 |
| 2020 | 7 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electronic control device and flow rate measurement system
US-12578091-B2 · Mar 17, 2026 · US
Power output determination by way of a fuel parameter
US-12565994-B2 · Mar 3, 2026 · US
Lowering emissions that result from fuel combustion in boilers
US-2026016163-A1 · Jan 15, 2026 · US
Gas turbine predictive emissions modeling, reporting, and model management via a remote framework
US-12455075-B2 · Oct 28, 2025 · US
Furnace
US-2025244050-A1 · Jul 31, 2025 · US
Feedback warning system using inducer pulse width modulation signal
US-12298038-B2 · May 13, 2025 · US
Lowering emissions that result from fuel combustion in boilers
US-2025102143-A1 · Mar 27, 2025 · US
Device for regulating a mixing ratio of a gas mixture
US-12140309-B2 · Nov 12, 2024 · US
Furnace, system, and method for calibrating flame current in furnace
US-2024353103-A1 · Oct 24, 2024 · US
Feedback warning system using inducer pulse width modulation signal
US-2024035705-A1 · Feb 1, 2024 · US
Combustion Apparatus with Mass Flow Sensor
US-2024018921-A1 · Jan 18, 2024 · US
Electronic Control Device and Flow Rate Measurement System
US-2023408087-A1 · Dec 21, 2023 · US
Feedback warning system using inducer pulse width modulation signal
US-11781785-B2 · Oct 10, 2023 · US
Gas turbine predictive emissions modeling, reporting, and model management via a remote framework
US-2023304664-A1 · Sep 28, 2023 · US
Heating device and method for regulating a fan-operated gas burner
US-11761629-B2 · Sep 19, 2023 · US
Gas burner systems and methods for calibrating gas burner systems
US-11608983-B2 · Mar 21, 2023 · US
Power Output Determination by Way of a Fuel Parameter
US-2022282866-A1 · Sep 8, 2022 · US
Bell mouth, air supply assembly including the bell mouth, and air supply control system using the bell mouth
US-11408641-B2 · Aug 9, 2022 · US
Flow measurement device
US-11397005-B2 · Jul 26, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23N2005/181?
- CPC F23N2005/181 is the Cooperative Patent Classification code for “using detectors sensitive to rate of flow of air.”
- How many patents are filed under CPC F23N2005/181 (using detectors sensitive to rate of flow of air)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC F23N2005/181 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).