Systems and methods for a refrigerant sub-system for a heating, ventilation, and air conditioning system
US-12066212-B2 · Aug 20, 2024 · US
having two or more valve members
having two or more valve members · 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 | F25B41/325 |
| Official title | having two or more valve members |
| Display label | having two or more valve members |
| Total patents | 85 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 17 |
| 2023 | 12 |
| 2024 | 10 |
| 2025 | 14 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermal conditioning circuit
US-2024157762-A1 · May 16, 2024 · US
Air conditioner
US-11965682-B2 · Apr 23, 2024 · US
Water treatment system of coupling heat pump with multi-effect evaporation and operating method thereof
US-11940187-B2 · Mar 26, 2024 · US
Heat exchanger, heat pump system and method for heat exchange
US-11852390-B2 · Dec 26, 2023 · US
Water treatment system of coupling heat pump with multi-effect evaporation and operating method thereof
US-2023400234-A1 · Dec 14, 2023 · US
Bulbless thermal expansion valve
US-11808498-B2 · Nov 7, 2023 · US
Heat pump system and the control method thereof
US-2023296295-A1 · Sep 21, 2023 · US
Thermal management system
US-11760162-B2 · Sep 19, 2023 · US
Air conditioning apparatus
US-11739956-B2 · Aug 29, 2023 · US
Device for regulating a flow through and distributing a fluid in a fluid circuit
US-11724561-B2 · Aug 15, 2023 · US
Bulbless thermal expansion valve
US-2023251006-A1 · Aug 10, 2023 · US
Refrigeration apparatus that operates a utilization unit based on drivability of a compressor in a heat source unit
US-11686518-B2 · Jun 27, 2023 · US
Air conditioner
US-2023152015-A1 · May 18, 2023 · US
Systems and methods for a refrigerant sub-system for a heating, ventilation, and air conditioning system
US-2023128439-A1 · Apr 27, 2023 · US
Thermal expansion valve for a residential refrigeration application
US-2023034594-A1 · Feb 2, 2023 · US
Heat pump refrigerant loop arrangements
US-2022412611-A1 · Dec 29, 2022 · US
Evaporator apparatus
US-2022412623-A1 · Dec 29, 2022 · US
Refrigeration appliance including a compartment that can be heated and cooled
US-2022364781-A1 · Nov 17, 2022 · US
Air conditioning indoor unit and air conditioner
US-2022260259-A1 · Aug 18, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B41/325?
- CPC F25B41/325 is the Cooperative Patent Classification code for “having two or more valve members.”
- How many patents are filed under CPC F25B41/325 (having two or more valve members)?
- Our database includes 85 publications tagged with this CPC code.
- Is patent activity under CPC F25B41/325 growing?
- Publication counts under this code: 10 in 2024 vs 14 in 2025 (latest complete years).