Systems and Methods for Combustion Tube Assemblies for Water Heaters
US-2025198654-A1 · Jun 19, 2025 · US
with submerged combustion chamber
with submerged combustion chamber · 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 | F24H1/206 |
| Official title | {with submerged combustion chamber} |
| Display label | with submerged combustion chamber |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water heater, and scale detection system and method
US-11920923-B2 · Mar 5, 2024 · US
Combustion chamber for water heater, water heater including the same, and method for manufacturing combustion chamber
US-2023175732-A1 · Jun 8, 2023 · US
Gas fired process heater with ultra-low pollutant emissions
US-11519635-B2 · Dec 6, 2022 · US
Exhaust duct detachable from outlet, water-heating device having the exhaust duct, and method for repairing the water-heating device
US-11236929-B2 · Feb 1, 2022 · US
Water heater with organic polymer coating
US-11054173-B2 · Jul 6, 2021 · US
Condensation reduction in water heaters
US-10895404-B2 · Jan 19, 2021 · US
Water heater appliance and a method for operating a water heater appliance
US-10830495-B2 · Nov 10, 2020 · US
Cover assembly, blower assembly and associated method
US-10711795-B2 · Jul 14, 2020 · US
Heat Transfer Fin and Fin-Tube Type Heat Exchanger Unit Using the Same
US-2020208875-A1 · Jul 2, 2020 · US
Gas fired process heater with ultra-low pollutant emissions
US-2020064021-A1 · Feb 27, 2020 · US
Exhaust duct detachable from outlet, water-heating device having the exhaust duct, and method for repairing the water-heating device
US-2020056810-A1 · Feb 20, 2020 · US
Water heater appliance and a method for operating a water heater appliance
US-2020049377-A1 · Feb 13, 2020 · US
Condensation Reduction in Water Heaters
US-2019285315-A1 · Sep 19, 2019 · US
Down-fired high efficiency gas-fired water heater
US-10415849-B2 · Sep 17, 2019 · US
Waste heat recovery device, heat supply system, and operation method for waste heat recovery device
US-10408164-B2 · Sep 10, 2019 · US
Water heater with organic polymer coating
US-2019170394-A1 · Jun 6, 2019 · US
Gas supply manifold and production method of gas supply manifold
US-10288313-B2 · May 14, 2019 · US
Water heater and pressure probe for a water heater
US-10281351-B2 · May 7, 2019 · US
Gas fueled water heater appliance having a temperature control switch
US-10260777-B2 · Apr 16, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24H1/206?
- CPC F24H1/206 is the Cooperative Patent Classification code for “with submerged combustion chamber.”
- How many patents are filed under CPC F24H1/206 (with submerged combustion chamber)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F24H1/206 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).