Space and water heating apparatus
US-2025369631-A1 · Dec 4, 2025 · US
Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks {; Hydraulic components of a central heating system}
Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks {; Hydraulic components of a central heating system} · 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 | F24D3/10 |
| Official title | Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks {; Hydraulic components of a central heating system} |
| Display label | Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks {; Hydraulic components of a central heating system} |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydronic expansion tank assembly
US-12326264-B2 · Jun 10, 2025 · US
Hydronic expansion tank assembly
US-12209758-B2 · Jan 28, 2025 · US
Hydronic expansion tank assembly
US-2024361006-A1 · Oct 31, 2024 · US
Hydronic expansion tank assembly
US-12066196-B2 · Aug 20, 2024 · US
Hydronic expansion tank assembly
US-2023128634-A1 · Apr 27, 2023 · US
Hydronic expansion tank assembly
US-2023130688-A1 · Apr 27, 2023 · US
Control system and method for controlling a fluid distribution system
US-11630469-B2 · Apr 18, 2023 · US
Heat pump and method for controlling operation of boiler based on temperature of fluid
US-11624532-B2 · Apr 11, 2023 · US
Method and system for balancing a heating system
US-11365891-B2 · Jun 21, 2022 · US
Heat pump and method of operating heat pump
US-2021262708-A1 · Aug 26, 2021 · US
Method for constructing a water circulation device and scale removal device
US-11047581-B2 · Jun 29, 2021 · US
Hot water heating system
US-2021190329-A1 · Jun 24, 2021 · US
Control system and method for controlling a fluid distribution system
US-2020340689-A1 · Oct 29, 2020 · US
Method for constructing a water circulation device and scale removal device
US-2020240649-A1 · Jul 30, 2020 · US
Electronic converter unit for retrofitting to an external part of a housing of a pump unit
US-10697649-B2 · Jun 30, 2020 · US
Heating and hot water supply system
US-10697648-B2 · Jun 30, 2020 · US
Boiler system for both heating and hot water
US-2020191412-A1 · Jun 18, 2020 · US
Apparatus for removing residual water in hot water mat using circulating pump
US-10502464-B2 · Dec 10, 2019 · US
Boiler loop system
US-10458662-B2 · Oct 29, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24D3/10?
- CPC F24D3/10 is the Cooperative Patent Classification code for “Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks {; Hydraulic components of a central heating system}.”
- How many patents are filed under CPC F24D3/10 (Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks {; Hydraulic components of a central heating system})?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC F24D3/10 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).