Refrigerant circuit and air-conditioning apparatus
US-2016370042-A1 · Dec 22, 2016 · US
Mechanical Engineering
Mechanical Engineering · 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 | F25B43/00 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 598 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 45 |
| 2017 | 64 |
| 2018 | 46 |
| 2019 | 68 |
| 2020 | 51 |
| 2021 | 54 |
| 2022 | 68 |
| 2023 | 56 |
| 2024 | 60 |
| 2025 | 46 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composition for heat cycle system, and heat cycle system
US-2016369146-A1 · Dec 22, 2016 · US
Working fluid for heat cycle and heat cycle system
US-2016369147-A1 · Dec 22, 2016 · US
Working fluid for heat cycle, composition for heat cycle system, and heat cycle system
US-2016369145-A1 · Dec 22, 2016 · US
Composition for heat cycle system, and heat cycle system
US-2016355719-A1 · Dec 8, 2016 · US
Composition for heat cycle system, and heat cycle system
US-2016355716-A1 · Dec 8, 2016 · US
Ejector
US-9512858-B2 · Dec 6, 2016 · US
Flash gas bypass evaporator
US-2016298890-A1 · Oct 13, 2016 · US
Combined device having an internal heat exchanger and an accumulator, and equipped with an internal multi-function component
US-9464831-B2 · Oct 11, 2016 · US
Liquid vapor phase seperation apparatus
US-2016271542-A1 · Sep 22, 2016 · US
Heat pump cycle for a vehicle utilizing a variable opening throttle valve for humidifying operation
US-9441865-B2 · Sep 13, 2016 · US
Air conditioning system for vehicle
US-9440512-B2 · Sep 13, 2016 · US
Modulated oversized compressors configuration for flash gas bypass in a carbon dioxide refrigeration system
US-2016258662-A1 · Sep 8, 2016 · US
Refrigeration apparatus
US-2016245568-A1 · Aug 25, 2016 · US
Air-conditioning apparatus
US-2016245540-A1 · Aug 25, 2016 · US
Refrigeration circuit with heat recovery module
US-2016231040-A1 · Aug 11, 2016 · US
Air-conditioning apparatus
US-9404681-B2 · Aug 2, 2016 · US
Ejector refrigeration cycle
US-2016200175-A1 · Jul 14, 2016 · US
Refrigeration apparatus
US-2016187038-A1 · Jun 30, 2016 · US
Receiver drier for vehicle air conditioner with improved filter
US-9377228-B2 · Jun 28, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B43/00?
- CPC F25B43/00 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F25B43/00 (Mechanical Engineering)?
- Our database includes 598 publications tagged with this CPC code.
- Is patent activity under CPC F25B43/00 growing?
- Publication counts under this code: 60 in 2024 vs 46 in 2025 (latest complete years).