Hydronic expansion tank assembly
US-12326264-B2 · Jun 10, 2025 · US
expansion tanks
expansion tanks · 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 | F24D3/1008 |
| Official title | {expansion tanks} |
| Display label | expansion tanks |
| Total patents | 31 |
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 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 1 |
| 2023 | 5 |
| 2024 | 7 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite tank
US-12305809-B2 · May 20, 2025 · US
Heat pump and control method therefor
US-12270580-B2 · Apr 8, 2025 · US
Hydronic expansion tank assembly
US-12209758-B2 · Jan 28, 2025 · US
Water heater expansion tank fitting tees
US-2024410508-A1 · Dec 12, 2024 · US
Hydronic expansion tank assembly
US-2024361006-A1 · Oct 31, 2024 · US
Hydronic expansion tank assembly
US-12066196-B2 · Aug 20, 2024 · US
Air heating apparatus
US-2024255182-A1 · Aug 1, 2024 · US
Pressure compensation and mixing device
US-11976849-B2 · May 7, 2024 · US
Water heater expansion tank fitting tees
US-2024044548-A1 · Feb 8, 2024 · US
Composite tank
US-2024003492-A1 · Jan 4, 2024 · US
Frost protection apparatus for water supply apparatus in recreational vehicles
US-11773572-B2 · Oct 3, 2023 · US
Heat pump and control method therefor
US-2023288105-A1 · Sep 14, 2023 · US
Coalescing media for hydronic air and sediment separation device
US-11731885-B2 · Aug 22, 2023 · US
Hydronic expansion tank assembly
US-2023128634-A1 · Apr 27, 2023 · US
Hydronic expansion tank assembly
US-2023130688-A1 · Apr 27, 2023 · US
Air heating apparatus
US-2022178553-A1 · Jun 9, 2022 · US
Pressure compensation and mixing device
US-2021364191-A1 · Nov 25, 2021 · US
Moisture detecting air cap indicator for expansion tank failure
US-11156369-B2 · Oct 26, 2021 · US
Coalescing media for hydronic air and sediment separation device
US-2021292190-A1 · Sep 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24D3/1008?
- CPC F24D3/1008 is the Cooperative Patent Classification code for “expansion tanks.”
- How many patents are filed under CPC F24D3/1008 (expansion tanks)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC F24D3/1008 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).