Heat pump system and regulating method thereof
US-2017370623-A1 · Dec 28, 2017 · 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 | F25B41/046 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 166 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 30 |
| 2017 | 22 |
| 2018 | 27 |
| 2019 | 34 |
| 2020 | 25 |
| 2021 | 7 |
| 2022 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refrigeration cycle apparatus
US-9822995-B2 · Nov 21, 2017 · US
Refrigeration cycle system with internal heat exchanger
US-9822994-B2 · Nov 21, 2017 · US
Laminated header, heat exchanger, and air-conditioning apparatus
US-2017328652-A1 · Nov 16, 2017 · US
Air-conditioning apparatus
US-2017284713-A1 · Oct 5, 2017 · US
Flow path switching valve
US-9644750-B2 · May 9, 2017 · US
Air conditioning device for vehicle
US-9610822-B2 · Apr 4, 2017 · US
Refrigerant channel switching unit
US-2017089623-A1 · Mar 30, 2017 · US
Multiple evaporator control using pwm valve/compressor
US-2017089622-A9 · Mar 30, 2017 · US
Multiple evaporator control using PWM valve/compressor
US-9605884-B2 · Mar 28, 2017 · US
Heat recovery variable-frequency multi-split heat pump system and control method thereof
US-2017010027-A1 · Jan 12, 2017 · US
Refrigerant channel switching unit
US-2016377332-A1 · Dec 29, 2016 · US
Heat pump water heater appliance and an electronic mixing valve
US-2016348952-A1 · Dec 1, 2016 · US
Heat pump system
US-9506679-B2 · Nov 29, 2016 · US
Refrigeration cycle apparatus
US-2016341453-A1 · Nov 24, 2016 · US
Air conditioning apparatus
US-9488399-B2 · Nov 8, 2016 · US
Adsorber and adsorption refrigerator
US-2016313034-A1 · Oct 27, 2016 · US
Wide speed range high-efficiency cold climate heat pump
US-2016290683-A1 · Oct 6, 2016 · US
Multiple evaporator control using pwm valve/compressor
US-2016282032-A1 · Sep 29, 2016 · US
Refrigeration apparatus
US-2016273816-A1 · Sep 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F25B41/046?
- CPC F25B41/046 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F25B41/046 (Mechanical Engineering)?
- Our database includes 166 publications tagged with this CPC code.
- Is patent activity under CPC F25B41/046 growing?
- Publication counts under this code: 7 in 2021 vs 2 in 2022 (latest complete years).