Heat pipe
US-2024183621-A1 · Jun 6, 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 | F28F1/00 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 262 |
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 | 47 |
| 2016 | 46 |
| 2017 | 31 |
| 2018 | 35 |
| 2019 | 35 |
| 2020 | 15 |
| 2021 | 24 |
| 2022 | 7 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid heat exchange apparatus
US-2016327351-A1 · Nov 10, 2016 · US
Heat exchanger for power system
US-9470460-B2 · Oct 18, 2016 · US
Method of generating support structure of tube components to become functional features
US-2016238324-A1 · Aug 18, 2016 · US
Heat exchanger
US-9389026-B2 · Jul 12, 2016 · US
Tube sheet
US-2016187077-A1 · Jun 30, 2016 · US
Heat exchanger
US-9366486-B2 · Jun 14, 2016 · US
Liner grommet assembly
US-2016115874-A1 · Apr 28, 2016 · US
Aluminium composite material having an internal solder layer
US-2016107268-A1 · Apr 21, 2016 · US
Heat exchanger
US-2016061535-A1 · Mar 3, 2016 · US
Releasable, threadless conduit connector for liquid manifold
US-2016059367-A1 · Mar 3, 2016 · US
Ethylene Cracking Furnace
US-2016045889-A1 · Feb 18, 2016 · US
Heat exchanger system for a deodoriser
US-9239194-B2 · Jan 19, 2016 · US
Highly corrosion-resistant copper tube
US-2015377568-A1 · Dec 31, 2015 · US
Substrate processing apparatus and method of manufacturing semiconductor device
US-9222732-B2 · Dec 29, 2015 · US
Superconducting cable cooling system
US-9218899-B2 · Dec 22, 2015 · US
Refrigerant outlet device of a condenser
US-2015362260-A1 · Dec 17, 2015 · US
Combustion apparatus having intake air/exhaust air heat exchanger
US-2015362214-A1 · Dec 17, 2015 · US
Support mechanism for a heat exchanger in an air-conditioning system
US-9212852-B2 · Dec 15, 2015 · US
Cooling jacket
US-9207022-B2 · Dec 8, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F1/00?
- CPC F28F1/00 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F28F1/00 (Mechanical Engineering)?
- Our database includes 262 publications tagged with this CPC code.
- Is patent activity under CPC F28F1/00 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).