Recirculation valve
US-2025334197-A1 · Oct 30, 2025 · US
Domestic hot-water supply systems
Domestic hot-water supply systems · 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 | F24D17/00 |
| Official title | Domestic hot-water supply systems |
| Display label | Domestic hot-water supply systems |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Monitoring and controlling domestic hot water production and distribution
US-12331958-B2 · Jun 17, 2025 · US
Hot water supply system capable of hot water preheating and malfunction determination method using same
US-2025189143-A1 · Jun 12, 2025 · US
Hot-water supply system and method executed by computer for controlling the hot-water supply system
US-2024328635-A1 · Oct 3, 2024 · US
Hot water supply apparatus and method of controlling the same
US-2024159401-A1 · May 16, 2024 · US
Heating and hot-water supply apparatus
US-11946655-B2 · Apr 2, 2024 · US
Water heating device
US-2023314010-A1 · Oct 5, 2023 · US
Device for providing a fluid and sanitary fitting system
US-2023280770-A1 · Sep 7, 2023 · US
Energy recovery system for a semiconductor fabrication facility
US-11644218-B2 · May 9, 2023 · US
Exhaust adapter
US-2022412555-A1 · Dec 29, 2022 · US
Monitoring and controlling domestic hot water production and distribution
US-2022397306-A1 · Dec 15, 2022 · US
Hot and cold water mixer
US-2022397921-A1 · Dec 15, 2022 · US
Energy recovery system for a semiconductor fabrication facility
US-2022113060-A1 · Apr 14, 2022 · US
Plate-type heat exchanger
US-2022107144-A1 · Apr 7, 2022 · US
Energy recovery system for a semiconductor fabrication facility
US-11248822-B2 · Feb 15, 2022 · US
Heating and hot-water supply apparatus
US-2021372631-A1 · Dec 2, 2021 · US
Hot-water supply device
US-2021180800-A1 · Jun 17, 2021 · US
Detection and quantification of domestic hot water use
US-10920996-B2 · Feb 16, 2021 · US
Energy recovery system for a semiconductor fabrication facility
US-2021025620-A1 · Jan 28, 2021 · US
Smart water dispenser and control method thereof
US-10597280-B2 · Mar 24, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24D17/00?
- CPC F24D17/00 is the Cooperative Patent Classification code for “Domestic hot-water supply systems.”
- How many patents are filed under CPC F24D17/00 (Domestic hot-water supply systems)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC F24D17/00 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).