Plate heat exchanger
US-2018363990-A1 · Dec 20, 2018 · US
having one or more openings therein forming tubular heat-exchange passages
having one or more openings therein forming tubular heat-exchange passages · 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 | F28F3/086 |
| Official title | {having one or more openings therein forming tubular heat-exchange passages} |
| Display label | having one or more openings therein forming tubular heat-exchange passages |
| Total patents | 341 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 23 |
| 2017 | 23 |
| 2018 | 37 |
| 2019 | 38 |
| 2020 | 31 |
| 2021 | 48 |
| 2022 | 31 |
| 2023 | 30 |
| 2024 | 36 |
| 2025 | 27 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cooling device and motor
US-2018231325-A1 · Aug 16, 2018 · US
Heat exchanger
US-2018094870-A1 · Apr 5, 2018 · US
Heat exchanger for vehicle
US-9903674-B2 · Feb 27, 2018 · US
Panel based heat exchanger
US-2018051935-A1 · Feb 22, 2018 · US
CVI densification installation including a high capacity preheating zone
US-9845534-B2 · Dec 19, 2017 · US
Heat Exchanger for Heating a Fluid Using Exhaust Gas
US-2017335740-A1 · Nov 23, 2017 · US
Laminated header, heat exchanger, and air-conditioning apparatus
US-2017328652-A1 · Nov 16, 2017 · US
Cooler
US-9818673-B2 · Nov 14, 2017 · US
Can-type heat exchanger
US-9810491-B2 · Nov 7, 2017 · US
Cooler module, and method for manufacturing cooler module
US-2017301610-A1 · Oct 19, 2017 · US
Method for manufacturing a plate heat exchanger by superposing plates with alignment marks
US-2017261272-A1 · Sep 14, 2017 · US
Heat exchanger plate and plate heat exchanger comprising such a heat exchanger plate
US-9759494-B2 · Sep 12, 2017 · US
Vehicle air conditioner system
US-2017246933-A1 · Aug 31, 2017 · US
Plate heat exchanger plate and a plate heat exchanger
US-9746251-B2 · Aug 29, 2017 · US
Heat exchanger
US-9746253-B2 · Aug 29, 2017 · US
Cooling apparatus for diode-laser bars
US-2017237231-A1 · Aug 17, 2017 · US
Flow passage structure
US-2017219148-A1 · Aug 3, 2017 · US
Heat exchangers
US-2017205156-A1 · Jul 20, 2017 · US
Composite Heat Exchanger for Batteries and Method of Making Same
US-2017194679-A1 · Jul 6, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F3/086?
- CPC F28F3/086 is the Cooperative Patent Classification code for “having one or more openings therein forming tubular heat-exchange passages.”
- How many patents are filed under CPC F28F3/086 (having one or more openings therein forming tubular heat-exchange passages)?
- Our database includes 341 publications tagged with this CPC code.
- Is patent activity under CPC F28F3/086 growing?
- Publication counts under this code: 36 in 2024 vs 27 in 2025 (latest complete years).