Thermal anti-icing system for an aircraft propulsion system
US-2024077018-A1 · Mar 7, 2024 · US
by ducted hot gas or liquid
by ducted hot gas or liquid · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B64D15/02 |
| Official title | by ducted hot gas or liquid |
| Display label | by ducted hot gas or liquid |
| Total patents | 125 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 11 |
| 2017 | 6 |
| 2018 | 12 |
| 2019 | 14 |
| 2020 | 21 |
| 2021 | 14 |
| 2022 | 12 |
| 2023 | 15 |
| 2024 | 8 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Friction energy systems
US-2020393203-A1 · Dec 17, 2020 · US
Aeronautical equipment
US-2020354088-A1 · Nov 12, 2020 · US
Gas turbine engine with short inlet, acoustic treatment and anti-icing features
US-10823060-B2 · Nov 3, 2020 · US
Air inflow lip for turbojet nacelle
US-2020309029-A1 · Oct 1, 2020 · US
Turbofan engine and core link therefore
US-2020284198-A1 · Sep 10, 2020 · US
Aircraft having hybrid-electric propulsion system with electric storage located in fuselage
US-2020277061-A1 · Sep 3, 2020 · US
Heat exchanger for mitigating ice formation on an aircraft
US-10759539-B2 · Sep 1, 2020 · US
Aircraft systems and methods utilizing waste heat in fuel
US-2020191057-A1 · Jun 18, 2020 · US
Z-cnt filled meltable adhesives for bonding of deicers
US-2020189752-A1 · Jun 18, 2020 · US
Leading-Edge Slat For An Aircraft
US-2020164961-A1 · May 28, 2020 · US
Aircraft engine nacelle comprising a system of ice protection
US-2020122844-A1 · Apr 23, 2020 · US
Duct assembly and method of forming
US-2020011455-A1 · Jan 9, 2020 · US
Super-cooled heat exchanger of an air cycle machine
US-10526971-B2 · Jan 7, 2020 · US
Pressure regulating shut-off valve
US-2019390779-A1 · Dec 26, 2019 · US
Pressurized air systems for aircraft and related methods
US-2019383220-A1 · Dec 19, 2019 · US
Device for de-icing a splitter nose of an aviation turbine engine
US-10494997-B2 · Dec 3, 2019 · US
Aircraft element comprising a leading edge having a system for preventing the clogging of holes produced in the leading edge
US-2019359310-A1 · Nov 28, 2019 · US
Super-cooled heat exchanger of an air cycle machine
US-2019338706-A1 · Nov 7, 2019 · US
Nacelle inner lip skin with heat transfer augmentation features
US-10458275-B2 · Oct 29, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B64D15/02?
- CPC B64D15/02 is the Cooperative Patent Classification code for “by ducted hot gas or liquid.”
- How many patents are filed under CPC B64D15/02 (by ducted hot gas or liquid)?
- Our database includes 125 publications tagged with this CPC code.
- Is patent activity under CPC B64D15/02 growing?
- Publication counts under this code: 8 in 2024 vs 9 in 2025 (latest complete years).