Condensate pan for a heat exchanger
US-2025271172-A1 · Aug 28, 2025 · US
Water level
Water level · 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 | F24H15/246 |
| Official title | Water level |
| Display label | Water level |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 5 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Humidifier for a fan coil
US-2025129951-A1 · Apr 24, 2025 · US
Humidifier for a fan coil
US-12215889-B2 · Feb 4, 2025 · US
Leakage detection in condensing water heater
US-11573148-B2 · Feb 7, 2023 · US
Hot water supply device and hot water supply system
US-11536465-B2 · Dec 27, 2022 · US
Instant-response on-demand water heater
US-11428437-B2 · Aug 30, 2022 · US
Low water cut-off remote monitoring and diagnosing system
US-11391491-B2 · Jul 19, 2022 · US
Hot water supply system, server and non-transitory computer readable recording medium
US-11385660-B2 · Jul 12, 2022 · US
Humidifier for a fan coil
US-2022034529-A1 · Feb 3, 2022 · US
Hot water supply device and hot water supply system
US-2021372633-A1 · Dec 2, 2021 · US
Condensing boiler employing evaporation device
US-11105534-B2 · Aug 31, 2021 · US
Leakage detection in condensing water heater
US-2021048364-A1 · Feb 18, 2021 · US
Hot-water supply unit and hot-water supply system
US-10876743-B2 · Dec 29, 2020 · US
Hot water supply system, server and non-transitory computer readable recording medium
US-2020103927-A1 · Apr 2, 2020 · US
Field configurable low water cut-offs
US-10544963-B2 · Jan 28, 2020 · US
Instant-response on-demand water heater
US-2019368776-A1 · Dec 5, 2019 · US
E-11 switch assembly
US-10473507-B2 · Nov 12, 2019 · US
Condensing boiler employing evaporation device
US-2019271488-A1 · Sep 5, 2019 · US
Hot-water supply unit and hot-water supply system
US-2019086102-A1 · Mar 21, 2019 · US
Heat pump water heater appliance and a method for operating the same
US-9869475-B2 · Jan 16, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24H15/246?
- CPC F24H15/246 is the Cooperative Patent Classification code for “Water level.”
- How many patents are filed under CPC F24H15/246 (Water level)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F24H15/246 growing?
- Publication counts under this code: 1 in 2023 vs 3 in 2025 (latest complete years).