Exhaust adapter
US-2022412555-A1 · Dec 29, 2022 · 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 | F24H1/124 |
| Official title | {using fluid fuel} |
| Display label | using fluid fuel |
| Total patents | 87 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 11 |
| 2021 | 9 |
| 2022 | 18 |
| 2023 | 8 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Combustion chamber and gas apparatus
US-2022373178-A1 · Nov 24, 2022 · US
Gas manifold
US-11493236-B2 · Nov 8, 2022 · US
Heating water heater and control method thereof, and computer-readable storage medium
US-2022341599-A1 · Oct 27, 2022 · US
Integrated uninterruptible power supplies for appliances
US-2022239145-A1 · Jul 28, 2022 · US
Hot-water supply device
US-11391469-B2 · Jul 19, 2022 · US
Tankless water heater systems and methods thereto
US-2022082300-A1 · Mar 17, 2022 · US
Hybrid heater
US-2022025666-A1 · Jan 27, 2022 · US
Carryover burners for fluid heating systems and methods thereof
US-2021333017-A1 · Oct 28, 2021 · US
Systems and methods for heater control in fluid heating systems
US-2021325086-A1 · Oct 21, 2021 · US
Trapezoidal air distribution baffle
US-2021317985-A1 · Oct 14, 2021 · US
Hybrid heater
US-11142923-B2 · Oct 12, 2021 · US
Gas manifold
US-2021293453-A1 · Sep 23, 2021 · US
Water heating apparatus and method for controlling the apparatus
US-2021190377-A1 · Jun 24, 2021 · US
Heat exchanger and water heating apparatus including the same
US-2021156629-A1 · May 27, 2021 · US
Heat exchanger and water heating apparatus including same
US-2021156623-A1 · May 27, 2021 · US
Heating and hot water supply system
US-2021123631-A1 · Apr 29, 2021 · US
Heat exchanger
US-2020386441-A1 · Dec 10, 2020 · US
Heat exchanger
US-10852032-B2 · Dec 1, 2020 · US
Gas water heating apparatus
US-10823456-B2 · Nov 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24H1/124?
- CPC F24H1/124 is the Cooperative Patent Classification code for “using fluid fuel.”
- How many patents are filed under CPC F24H1/124 (using fluid fuel)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC F24H1/124 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).