Adjustable duct mechanism for heating equipment
US-2026016191-A1 · Jan 15, 2026 · US
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Arrangements for connecting heaters to circulation pipes
Arrangements for connecting heaters to circulation pipes · 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 | F24H9/12 |
| Official title | Arrangements for connecting heaters to circulation pipes |
| Display label | Arrangements for connecting heaters to circulation pipes |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 7 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Adjustable duct mechanism for heating equipment
US-12467659-B2 · Nov 11, 2025 · US
Receiver, connection method thereof, receiver assembly and heat pump system
US-12416435-B2 · Sep 16, 2025 · US
Heating system
US-12398922-B2 · Aug 26, 2025 · US
Receiver, connection method thereof, receiver assembly and heat pump system
US-2024263854-A1 · Aug 8, 2024 · US
Heating system
US-2024200827-A1 · Jun 20, 2024 · US
Receiver, connection method thereof, receiver assembly and heat pump system
US-12013158-B2 · Jun 18, 2024 · US
Air heating apparatus and method for disassembling air heating apparatus
US-2024060682-A1 · Feb 22, 2024 · US
Air heating apparatus
US-2024060680-A1 · Feb 22, 2024 · US
Air heating apparatus and method for supplying water to air heating apparatus
US-2024060683-A1 · Feb 22, 2024 · US
Air heating apparatus and method for disassembling air heating apparatus
US-2024060681-A1 · Feb 22, 2024 · US
Adjustable duct mechanism for heating equipment
US-2023062152-A1 · Mar 2, 2023 · US
Method and apparatus for collecting temperature of heating pipeline
US-11460352-B2 · Oct 4, 2022 · US
Receiver, connection method thereof, receiver assembly and heat pump system
US-2022228785-A1 · Jul 21, 2022 · US
Gas sediment trap assembly
US-2021131576-A1 · May 6, 2021 · US
Constant pressure switch apparatus and water heating system
US-10712022-B2 · Jul 14, 2020 · US
Method and apparatus for collecting temperature of heating pipeline
US-2019331535-A1 · Oct 31, 2019 · US
Gas sediment trap assembly
US-2019170264-A1 · Jun 6, 2019 · US
Fault detecting circuits for electric heaters, pipe heaters and pipe heating systems including fault detecting circuits and methods of indicating that an electrical energy supply to an electric resistance heater has been interrupted
US-10184689-B2 · Jan 22, 2019 · US
Boiler having increased indoor heating efficiency and enabling simultaneous use of indoor heating and hot water
US-9869490-B2 · Jan 16, 2018 · US