Water heating device
US-2023314010-A1 · Oct 5, 2023 · US
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Heat exchangers for sanitary water directly heated by the burner
Heat exchangers for sanitary water directly heated by the burner · 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 | F24H1/523 |
| Official title | {Heat exchangers for sanitary water directly heated by the burner} |
| Display label | Heat exchangers for sanitary water directly heated by the burner |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2018 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Boiler for heating and hot-water control method therefor
US-11473787-B2 · Oct 18, 2022 · US
Heating and hot water supply device
US-11255550-B2 · Feb 22, 2022 · US
Combined heating and hot-water boiler and control method therefor
US-2021239327-A1 · Aug 5, 2021 · US
Heating and hot water supply device
US-2021080120-A1 · Mar 18, 2021 · US
Hot water-centered combined hot water and heating boiler
US-9945566-B2 · Apr 17, 2018 · US
Hot water-centered combined hot water and heating boiler
US-2015300661-A1 · Oct 22, 2015 · US
Hot-water supply system
US-9010280-B2 · Apr 21, 2015 · US
Hot-water supply system
US-8985063-B2 · Mar 24, 2015 · US