Plate heat exchanger
US-2018363990-A1 · Dec 20, 2018 · US
formed by plates (F28F9/0138 takes precedence)
formed by plates (F28F9/0138 takes precedence) · 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 | F28F9/0131 |
| Official title | {formed by plates (F28F9/0138 takes precedence)} |
| Display label | formed by plates (F28F9/0138 takes precedence) |
| Total patents | 248 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 15 |
| 2017 | 20 |
| 2018 | 21 |
| 2019 | 24 |
| 2020 | 31 |
| 2021 | 33 |
| 2022 | 29 |
| 2023 | 24 |
| 2024 | 26 |
| 2025 | 15 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stacked cooler
US-10147668-B2 · Dec 4, 2018 · US
Vehicle heat exchange apparatus
US-2018340735-A1 · Nov 29, 2018 · US
Air-conditioning-apparatus outdoor unit and method of manufacturing air-conditioning-apparatus outdoor unit
US-10113756-B2 · Oct 30, 2018 · US
Tube heat exchange unit for internals of heat exchangers reactors
US-2018306526-A1 · Oct 25, 2018 · US
Reinforcing clip and heat exchanger
US-2018266775-A1 · Sep 20, 2018 · US
Heat exchanger
US-2018252481-A1 · Sep 6, 2018 · US
Vehicle condenser
US-2018245828-A1 · Aug 30, 2018 · US
Shell-and-tube equipment with antivibration baffles and related assembling method
US-2018224219-A1 · Aug 9, 2018 · US
High Temperature Casting and Electrochemical Machining Heat Exchanger Manufacturing Method
US-2018185942-A1 · Jul 5, 2018 · US
Modular Shell-and-Tube Heat Exchanger Apparatuses and Molds and Methods for Forming Such Apparatuses
US-2018180363-A1 · Jun 28, 2018 · US
Tube and baffle arrangement in a once-through horizontal evaporator
US-9989320-B2 · Jun 5, 2018 · US
Stacked cooler
US-2018130721-A1 · May 10, 2018 · US
Heat exchanger comprising a protective device
US-2018120040-A1 · May 3, 2018 · US
Liquid-cooling cold plate and method for manufacturing same
US-2018078997-A1 · Mar 22, 2018 · US
Laser cooling system
US-2018062347-A1 · Mar 1, 2018 · US
Heat exchanger
US-9897396-B2 · Feb 20, 2018 · US
Heat exchanger support
US-9851152-B2 · Dec 26, 2017 · US
Heat exchanger with heat resistant center body
US-2017306794-A1 · Oct 26, 2017 · US
Refrigeration appliance with a heat exchanging element
US-2017307265-A1 · Oct 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F9/0131?
- CPC F28F9/0131 is the Cooperative Patent Classification code for “formed by plates (F28F9/0138 takes precedence).”
- How many patents are filed under CPC F28F9/0131 (formed by plates (F28F9/0138 takes precedence))?
- Our database includes 248 publications tagged with this CPC code.
- Is patent activity under CPC F28F9/0131 growing?
- Publication counts under this code: 26 in 2024 vs 15 in 2025 (latest complete years).