Hot water supply tank
US-12578119-B2 · Mar 17, 2026 · US
Construction of the tank
Construction of the tank · 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 | F24H1/181 |
| Official title | {Construction of the tank} |
| Display label | Construction of the tank |
| Total patents | 60 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 10 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated appliance handling systems
US-2026055926-A1 · Feb 26, 2026 · US
Hot water tank, method for manufacturing the same, and water heater
US-2026009561-A1 · Jan 8, 2026 · US
Embossed Heads for Tanks and Tanks Including Same
US-2025341341-A1 · Nov 6, 2025 · US
Water tank
US-2025296724-A1 · Sep 25, 2025 · US
Tank water heater and water heating system
US-2025146706-A1 · May 8, 2025 · US
A device for heating a liquid
US-2025129968-A1 · Apr 24, 2025 · US
Tooling and method for flexible through connection between double liners of water heater
US-12276440-B2 · Apr 15, 2025 · US
Tank assembly and bidet including the same
US-2025085020-A1 · Mar 13, 2025 · US
Integrated lifting handle for a water heater appliance
US-2025027680-A1 · Jan 23, 2025 · US
Electric water heater having internal heat concentrator
US-12158287-B2 · Dec 3, 2024 · US
Hot water supply tank
US-2024151431-A1 · May 9, 2024 · US
Electrical heater device, in particular having a PTC effect
US-11959663-B2 · Apr 16, 2024 · US
Hot water supply tank
US-11940180-B2 · Mar 26, 2024 · US
Hot water generation apparatus, water purifier comprising same, and method for controlling hot water generation apparatus
US-2024053056-A1 · Feb 15, 2024 · US
Water Heating System
US-2023408148-A1 · Dec 21, 2023 · US
Tooling and method for flexible through connection between double liners of water heater
US-2023358442-A1 · Nov 9, 2023 · US
Solid state radio frequency (SSRF) water heater device
US-11639225-B2 · May 2, 2023 · US
Electric Water Heater Having Internal Heat Concentrator
US-2023024550-A1 · Jan 26, 2023 · US
Exterior case for hot water unit
US-11466895-B2 · Oct 11, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24H1/181?
- CPC F24H1/181 is the Cooperative Patent Classification code for “Construction of the tank.”
- How many patents are filed under CPC F24H1/181 (Construction of the tank)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC F24H1/181 growing?
- Publication counts under this code: 5 in 2024 vs 7 in 2025 (latest complete years).