Thermal management, heat transfer improvement of radiator and condenser using ac system evaporator's condensation
US-2019316849-A1 · Oct 17, 2019 · US
in which the evaporating medium flows in a continuous film or trickles freely over the conduits
in which the evaporating medium flows in a continuous film or trickles freely over the conduits · 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 | F28D5/02 |
| Official title | in which the evaporating medium flows in a continuous film or trickles freely over the conduits |
| Display label | in which the evaporating medium flows in a continuous film or trickles freely over the conduits |
| Total patents | 174 |
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 | 5 |
| 2016 | 12 |
| 2017 | 19 |
| 2018 | 16 |
| 2019 | 20 |
| 2020 | 18 |
| 2021 | 24 |
| 2022 | 15 |
| 2023 | 10 |
| 2024 | 23 |
| 2025 | 8 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Refrigerant distributor for falling film evaporator
US-10436515-B2 · Oct 8, 2019 · US
Indirect heat exchanger
US-2019212075-A1 · Jul 11, 2019 · US
Methods and systems of streaming refrigerant in a heat exchanger
US-10317114-B2 · Jun 11, 2019 · US
Heat exchange device suitable for low pressure refrigerant
US-10295234-B2 · May 21, 2019 · US
System and method of a water management for an indirect evaporative cooler
US-2019107332-A1 · Apr 11, 2019 · US
Evaporative cooling of a heat exchanger in a compressor system
US-2019086152-A1 · Mar 21, 2019 · US
Evaporator distribution system and method
US-10215458-B2 · Feb 26, 2019 · US
Water collection system for indirect evaporative cooler
US-2018245864-A1 · Aug 30, 2018 · US
Hybrid cooler with bifurcated evaporative section
US-2018238625-A1 · Aug 23, 2018 · US
Method and apparatus for modular air-to-air heat exchanger
US-2018224217-A1 · Aug 9, 2018 · US
Wick structure and loop heat pipe using same
US-2018209746-A1 · Jul 26, 2018 · US
Mulitlevel distribution system for evaporator
US-2018172327-A1 · Jun 21, 2018 · US
Cooling tower with indirect heat exchanger
US-9995533-B2 · Jun 12, 2018 · US
Water collection system for indirect evaporative cooler
US-9970719-B2 · May 15, 2018 · US
Ultra narrow channel ultra low refrigerant charge evaporative condenser
US-2018128525-A1 · May 10, 2018 · US
Water Collection/Deflection Arrangements
US-2018094884-A1 · Apr 5, 2018 · US
Cooling process and system for dry cooling power plants
US-9927178-B1 · Mar 27, 2018 · US
Level control in an evaporator
US-9915451-B2 · Mar 13, 2018 · US
Hybrid cooler with bifurcated evaporative section
US-9891001-B2 · Feb 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28D5/02?
- CPC F28D5/02 is the Cooperative Patent Classification code for “in which the evaporating medium flows in a continuous film or trickles freely over the conduits.”
- How many patents are filed under CPC F28D5/02 (in which the evaporating medium flows in a continuous film or trickles freely over the conduits)?
- Our database includes 174 publications tagged with this CPC code.
- Is patent activity under CPC F28D5/02 growing?
- Publication counts under this code: 23 in 2024 vs 8 in 2025 (latest complete years).