Turbine nozzle assembly and method for forming turbine components
US-2017328235-A1 · Nov 16, 2017 · US
Improvement of heat transfer
Improvement of heat transfer · 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 | F05D2260/221 |
| Official title | Improvement of heat transfer |
| Display label | Improvement of heat transfer |
| Total patents | 464 |
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 | 16 |
| 2016 | 34 |
| 2017 | 33 |
| 2018 | 50 |
| 2019 | 69 |
| 2020 | 64 |
| 2021 | 63 |
| 2022 | 46 |
| 2023 | 40 |
| 2024 | 23 |
| 2025 | 21 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Turbine airfoil having near-wall cooling insert
US-2017248025-A1 · Aug 31, 2017 · US
Rolled fin spiral egr cooler
US-2017248050-A1 · Aug 31, 2017 · US
Forward flowing serpentine vane
US-2017211416-A1 · Jul 27, 2017 · US
Core component having toroidal structures
US-2017211392-A1 · Jul 27, 2017 · US
Turbine airfoil cooling system for bow vane
US-9631499-B2 · Apr 25, 2017 · US
Turbine blade
US-2017107829-A1 · Apr 20, 2017 · US
Airfoil cooling with internal cavity displacement features
US-2017101893-A1 · Apr 13, 2017 · US
Using Inserts To Balance Heat Transfer And Stress In High Temperature Alloys
US-2017058679-A1 · Mar 2, 2017 · US
Film cooling a combustor wall of a turbine engine
US-2017009988-A1 · Jan 12, 2017 · US
Conductive panel surface cooling augmentation for gas turbine engine combustor
US-2016370008-A1 · Dec 22, 2016 · US
Turbine airfoil cooling system for bow vane
US-2016362986-A1 · Dec 15, 2016 · US
Cooling holes manufactured with ebc in place
US-2016348511-A1 · Dec 1, 2016 · US
Cmc airfoil with cooling channels
US-2016348513-A1 · Dec 1, 2016 · US
Heat exchanger seal segment for a gas turbine engine
US-2016341060-A1 · Nov 24, 2016 · US
Angled impingement inserts with cooling features
US-2016333735-A1 · Nov 17, 2016 · US
Trailing edge cooling pedestal configuration for a gas turbine engine airfoil
US-2016333699-A1 · Nov 17, 2016 · US
A workpiece manufactured from an additive manufacturing system having a particle separator and method of operation
US-2016319678-A1 · Nov 3, 2016 · US
Three-dimensional printing process, swirling device and thermal management process
US-9482249-B2 · Nov 1, 2016 · US
Radiant syngas cooler
US-2016312701-A1 · Oct 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05D2260/221?
- CPC F05D2260/221 is the Cooperative Patent Classification code for “Improvement of heat transfer.”
- How many patents are filed under CPC F05D2260/221 (Improvement of heat transfer)?
- Our database includes 464 publications tagged with this CPC code.
- Is patent activity under CPC F05D2260/221 growing?
- Publication counts under this code: 23 in 2024 vs 21 in 2025 (latest complete years).