Gas burner assembly
US-2021341177-A1 · Nov 4, 2021 · US
using fluid fuel
using fluid fuel · 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 | F24H1/186 |
| Official title | {using fluid fuel} |
| Display label | using fluid fuel |
| Total patents | 96 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 10 |
| 2017 | 8 |
| 2018 | 12 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 12 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for preventing short cycling in high-efficiency water heaters
US-2021325087-A1 · Oct 21, 2021 · US
Burner assembly
US-2021148566-A1 · May 20, 2021 · US
Temperature control for gas water heaters and related methods
US-2021095892-A1 · Apr 1, 2021 · US
Burner control system
US-2021048223-A1 · Feb 18, 2021 · US
Oil boiler
US-2020348047-A1 · Nov 5, 2020 · US
Digital gas valve burner control systems and methods
US-2020300507-A1 · Sep 24, 2020 · US
Gas hot water supply
US-2020232678-A1 · Jul 23, 2020 · US
Power generation system for gas-fired appliances
US-10684013-B2 · Jun 16, 2020 · US
Pilot light control for an appliance
US-10670302-B2 · Jun 2, 2020 · US
Combustion apparatus
US-2020096231-A1 · Mar 26, 2020 · US
Combustion apparatus and hot water apparatus
US-2020033025-A1 · Jan 30, 2020 · US
Method and system for starting an intermittent flame-powered pilot combustion system
US-2020025375-A1 · Jan 23, 2020 · US
Method of assembling pilot burner assembly
US-10488044-B2 · Nov 26, 2019 · US
System and method for determining an abnormal condition of a water heater
US-10465945-B2 · Nov 5, 2019 · US
Method and system for starting an intermittent flame-powered pilot combustion system
US-10429068-B2 · Oct 1, 2019 · US
Gas fueled water heater appliance having a temperature control switch
US-10260777-B2 · Apr 16, 2019 · US
Efficient dissociation of water vapor in arrays of microchannel plasma devices
US-10240815-B2 · Mar 26, 2019 · US
Smart water heater system, method and computer readable media
US-10240816-B2 · Mar 26, 2019 · US
Gas fueled water heater appliance having a temperature control switch
US-2019056145-A1 · Feb 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24H1/186?
- CPC F24H1/186 is the Cooperative Patent Classification code for “using fluid fuel.”
- How many patents are filed under CPC F24H1/186 (using fluid fuel)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC F24H1/186 growing?
- Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).