Dual venturi
US-12435874-B2 · Oct 7, 2025 · US
using mechanical means
using mechanical 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 | F23N1/027 |
| Official title | {using mechanical means} |
| Display label | using mechanical means |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 11 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 2 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel injection assembly having partial direct injectors
US-2025198620-A1 · Jun 19, 2025 · US
Dual venturi
US-2024183534-A1 · Jun 6, 2024 · US
Fluid heating system with combustion trim learning
US-2024110728-A1 · Apr 4, 2024 · US
Fluid heating system with combustion trim learning
US-11885531-B2 · Jan 30, 2024 · US
Gas mixing device and gas water heating device
US-11808453-B2 · Nov 7, 2023 · US
Ultra-low nox multi-port burner apparatus
US-2023266003-A1 · Aug 24, 2023 · US
Gas furnace
US-11639793-B2 · May 2, 2023 · US
Gas burner with a pneumatic actuating injet
US-11592174-B2 · Feb 28, 2023 · US
Gas mixing device and gas water heating device
US-11585573-B2 · Feb 21, 2023 · US
Swirling Flow-Blurring Atomizer
US-2022397267-A1 · Dec 15, 2022 · US
Fluid heating system with combustion trim learning
US-2022349622-A1 · Nov 3, 2022 · US
Regulating turbulent flows
US-11175039-B2 · Nov 16, 2021 · US
Process for operating a fuel-operated vehicle heater and fuel-operated vehicle heater
US-11162680-B2 · Nov 2, 2021 · US
Premixing apparatus and method thereof
US-11105505-B2 · Aug 31, 2021 · US
Gas furnace
US-2021140632-A1 · May 13, 2021 · US
Multi-level gas burner having ultra low simmer
US-10948181-B2 · Mar 16, 2021 · US
Pneumatic actuating injet valve with delayed shutoff
US-10928064-B2 · Feb 23, 2021 · US
Fuel gas nozzle
US-10900664-B2 · Jan 26, 2021 · US
Multi-level gas burner having ultra low simmer
US-2020370747-A1 · Nov 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23N1/027?
- CPC F23N1/027 is the Cooperative Patent Classification code for “using mechanical means.”
- How many patents are filed under CPC F23N1/027 (using mechanical means)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC F23N1/027 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).