Combustion chamber and gas apparatus
US-12442531-B2 · Oct 14, 2025 · US
Arrangements for connecting different sections, e.g. in water heaters (arrangements for connecting heaters to circulation pipes F24H9/12)
Arrangements for connecting different sections, e.g. in water heaters (arrangements for connecting heaters to circulation pipes F24H9/12) · 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 | F24H9/14 |
| Official title | Arrangements for connecting different sections, e.g. in water heaters (arrangements for connecting heaters to circulation pipes F24H9/12) |
| Display label | Arrangements for connecting different sections, e.g. in water heaters (arrangements for connecting heaters to circulation pipes F24H9/12) |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchanger unit
US-2025277602-A1 · Sep 4, 2025 · US
Heat exchanger unit
US-12331959-B2 · Jun 17, 2025 · US
Tooling and method for flexible through connection between double liners of water heater
US-12276440-B2 · Apr 15, 2025 · US
Pipe and water heater including the same
US-2025067472-A1 · Feb 27, 2025 · US
Heat exchanger transfer tubes
US-12072153-B2 · Aug 27, 2024 · US
Hot water storage tank
US-2024183624-A1 · Jun 6, 2024 · US
Coolant heater
US-11975594-B2 · May 7, 2024 · US
Control system for building equipment with secondary strong prevention
US-2024093883-A1 · Mar 21, 2024 · US
Heat exchanger unit
US-11879666-B2 · Jan 23, 2024 · US
Central plant with secondary strong prevention
US-11873998-B2 · Jan 16, 2024 · US
Heat exchanger unit
US-11835261-B2 · Dec 5, 2023 · US
Heat exchanger unit
US-11835262-B2 · Dec 5, 2023 · US
Tooling and method for flexible through connection between double liners of water heater
US-2023358442-A1 · Nov 9, 2023 · US
Heat exchanger unit and condensing boiler using the same
US-2023152007-A1 · May 18, 2023 · US
Heating Apparatus and Recreational Vehicle With Heating Apparatus
US-2023136360-A1 · May 4, 2023 · US
On-demand tankless high volume capable water heating system
US-11608992-B2 · Mar 21, 2023 · US
Heat exchanger transfer tubes
US-2023038602-A1 · Feb 9, 2023 · US
Combustion chamber and gas apparatus
US-2022373178-A1 · Nov 24, 2022 · US
Heat exchanger transfer tubes
US-11480392-B2 · Oct 25, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24H9/14?
- CPC F24H9/14 is the Cooperative Patent Classification code for “Arrangements for connecting different sections, e.g. in water heaters (arrangements for connecting heaters to circulation pipes F24H9/12).”
- How many patents are filed under CPC F24H9/14 (Arrangements for connecting different sections, e.g. in water heaters (arrangements for connecting heaters to circulation pipes F24H9/12))?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC F24H9/14 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).