Hot water storage tank
US-2024183624-A1 · Jun 6, 2024 · US
Storage heaters
Storage heaters · 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 | F24H9/133 |
| Official title | {Storage heaters} |
| Display label | Storage heaters |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 11 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 8 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water heater dip tube
US-2024053058-A1 · Feb 15, 2024 · US
Water heater and cover assembly therefor
US-11821658-B2 · Nov 21, 2023 · US
Hydraulically opened cone vertical tube diffuser with slanted anti-siphon hole
US-11768012-B2 · Sep 26, 2023 · US
Valve assemblies for leak prevention
US-11697927-B2 · Jul 11, 2023 · US
Heat trap apparatus for water heater
US-2023101175-A1 · Mar 30, 2023 · US
Heat trap apparatus for water heater
US-2023099397-A1 · Mar 30, 2023 · US
Flexible connectors for water heater
US-2023059762-A1 · Feb 23, 2023 · US
Instant hot water delivery system
US-11493210-B2 · Nov 8, 2022 · US
Fluid heating device
US-11387119-B2 · Jul 12, 2022 · US
Water heater and cover assembly therefor
US-2022196287-A1 · Jun 23, 2022 · US
Water heating system
US-2022186981-A1 · Jun 16, 2022 · US
Water heater with electronic mixing valve and automatic set point
US-2022180383-A1 · Jun 9, 2022 · US
Water heater appliances and methods for controlling a mixing valve with a park period
US-11347246-B2 · May 31, 2022 · US
Diffuser for thermal storage tank
US-2022146146-A1 · May 12, 2022 · US
Hydraulically opened cone vertical tube diffuser with slanted anti-siphon hole
US-2022136735-A1 · May 5, 2022 · US
Water heater with optimized dip tube
US-11280519-B2 · Mar 22, 2022 · US
Water heater appliances and methods for controlling a mixing valve flow
US-2022011792-A1 · Jan 13, 2022 · US
Water heater with optimized dip tube
US-2022011016-A1 · Jan 13, 2022 · US
Instant Hot Water Delivery System
US-2021381697-A1 · Dec 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24H9/133?
- CPC F24H9/133 is the Cooperative Patent Classification code for “Storage heaters.”
- How many patents are filed under CPC F24H9/133 (Storage heaters)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC F24H9/133 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).