Aircraft engine nacelle provided with an icing protection system and associated protection method
US-2019308737-A1 · Oct 10, 2019 · US
Air temperature
Air temperature · 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 | F05D2270/313 |
| Official title | Air temperature |
| Display label | Air temperature |
| Total patents | 207 |
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 | 8 |
| 2016 | 12 |
| 2017 | 13 |
| 2018 | 24 |
| 2019 | 16 |
| 2020 | 23 |
| 2021 | 27 |
| 2022 | 21 |
| 2023 | 33 |
| 2024 | 13 |
| 2025 | 11 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Thermally biased valve and anti-icing system
US-10384786-B2 · Aug 20, 2019 · US
Power demand anticipation systems for rotorcraft
US-10287026-B2 · May 14, 2019 · US
Cooling system for a turbine engine
US-2018371999-A1 · Dec 27, 2018 · US
Air temperature sensor
US-2018372556-A1 · Dec 27, 2018 · US
Condition-based validation of performance updates
US-2018364651-A1 · Dec 20, 2018 · US
Control system and method
US-2018340542-A1 · Nov 29, 2018 · US
System and method for planning engine borescope inspections based on fod probability estimation
US-2018328221-A1 · Nov 15, 2018 · US
Gas turbine system and control apparatus and method thereof
US-2018306124-A1 · Oct 25, 2018 · US
Enhancing engine performance to improve fuel consumption based on atmospheric ice particles
US-10106267-B2 · Oct 23, 2018 · US
Two-shaft gas turbine
US-10094290-B2 · Oct 9, 2018 · US
Gas turbine blade flutter monitoring and control system
US-2018274385-A1 · Sep 27, 2018 · US
Systems and methods for controlling overboard bleed heat of a turbine inlet filter
US-2018266332-A1 · Sep 20, 2018 · US
System and Method for Regulating Velocity of Gases in a Turbomachine
US-2018230849-A1 · Aug 16, 2018 · US
Power Demand Anticipation Systems for Rotorcraft
US-2018222597-A1 · Aug 9, 2018 · US
Method for loop gain sizing of gas turbines
US-2018187608-A1 · Jul 5, 2018 · US
Aircraft Electrically-Assisted Propulsion Control System
US-2018178920-A1 · Jun 28, 2018 · US
Systems and methods for operating a compression system
US-2018163736-A1 · Jun 14, 2018 · US
Digital twin interface for operating wind farms
US-9995278-B2 · Jun 12, 2018 · US
Erosion suppression system and method in an exhaust gas recirculation gas turbine system
US-2018156136-A1 · Jun 7, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05D2270/313?
- CPC F05D2270/313 is the Cooperative Patent Classification code for “Air temperature.”
- How many patents are filed under CPC F05D2270/313 (Air temperature)?
- Our database includes 207 publications tagged with this CPC code.
- Is patent activity under CPC F05D2270/313 growing?
- Publication counts under this code: 13 in 2024 vs 11 in 2025 (latest complete years).