Refrigerant distribution and charge balancing system for heatexchangers
US-2024210127-A1 · Jun 27, 2024 · 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 | F28F9/027 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 153 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 14 |
| 2017 | 17 |
| 2018 | 18 |
| 2019 | 14 |
| 2020 | 18 |
| 2021 | 11 |
| 2022 | 8 |
| 2023 | 15 |
| 2024 | 12 |
| 2025 | 13 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Air nozzle arrangement
US-2019389586-A1 · Dec 26, 2019 · US
Heat exchanger and air conditioning apparatus
US-10465955-B2 · Nov 5, 2019 · US
Air conditioner having a bending tube which alters the flow of the refrigerant prior to entering the distributor
US-10161656-B2 · Dec 25, 2018 · US
Plate heat exchanger with distribution tubes
US-10156401-B2 · Dec 18, 2018 · US
Releasable, threadless conduit connector for liquid manifold
US-10132433-B2 · Nov 20, 2018 · US
Air conditioner
US-2018306515-A1 · Oct 25, 2018 · US
Releasable, threadless conduit connector for liquid manifold
US-10107426-B2 · Oct 23, 2018 · US
Plate heat exchanger
US-10107572-B2 · Oct 23, 2018 · US
Releasable, threadless conduit connector for liquid manifold
US-10006571-B2 · Jun 26, 2018 · US
Exhaust gas heat exchanger
US-9995250-B2 · Jun 12, 2018 · US
Two phase distributor evaporator
US-2018156544-A1 · Jun 7, 2018 · US
Heat exchanger and flow distributor
US-9989283-B2 · Jun 5, 2018 · US
Releasable, threadless conduit connector for liquid manifold
US-2018149294-A1 · May 31, 2018 · US
Plate heat exchanger and reversible refrigerating machine including such an exchanger
US-2018128551-A1 · May 10, 2018 · US
Heat exchanger with integrated co-axial inlet/outlet tube
US-9951998-B2 · Apr 24, 2018 · US
Heat exchanger
US-2018073809-A1 · Mar 15, 2018 · US
System and method for dynamic control of an evaporator
US-9903624-B2 · Feb 27, 2018 · US
Method for manufacturing refrigerant guide tube of heat exchanger, refrigerant guide tube manufactured using the method and heat exchanger with the refrigerant guide tube
US-9885521-B2 · Feb 6, 2018 · US
Production method of alpha-olefin low polymer and production apparatus
US-2018030181-A1 · Feb 1, 2018 · US
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F9/027?
- CPC F28F9/027 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F28F9/027 (Mechanical Engineering)?
- Our database includes 153 publications tagged with this CPC code.
- Is patent activity under CPC F28F9/027 growing?
- Publication counts under this code: 12 in 2024 vs 13 in 2025 (latest complete years).