Turbine engine secondary ejector system
US-11772783-B2 · Oct 3, 2023 · US
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the means being jet-reaction apparatus
the means being jet-reaction apparatus · 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 | B64C27/18 |
| Official title | the means being jet-reaction apparatus |
| Display label | the means being jet-reaction apparatus |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2018 | 5 |
| 2019 | 4 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ventilated high pressure blade of a helicopter turbine comprising an upstream duct and a central cooling chamber
US-11525360-B2 · Dec 13, 2022 · US
Turbine engine secondary ejector system
US-2021362843-A1 · Nov 25, 2021 · US
Variable pitch mechanisms for propeller blades using a compound gearbox
US-11021234-B1 · Jun 1, 2021 · US
Ventilated high pressure blade of a helicopter turbine comprising an upstream duct and a central cooling chamber
US-2019390554-A1 · Dec 26, 2019 · US
Hybrid powered unmanned aircraft system
US-10494095-B2 · Dec 3, 2019 · US
Electric cold flow tipjet rotorcraft
US-10427780-B2 · Oct 1, 2019 · US
Hybrid Powered Unmanned Aircraft System
US-2019055016-A1 · Feb 21, 2019 · US
Low noise rotor blade design
US-2018281938-A1 · Oct 4, 2018 · US
Rotor/wing aircraft including vectorable nozzle
US-10065735-B2 · Sep 4, 2018 · US
Rotor/wing aircraft including vectorable nozzle
US-2018170536-A1 · Jun 21, 2018 · US
Electric cold flow tipjet rotorcraft
US-2018111680-A1 · Apr 26, 2018 · US
Rotor/wing aircraft including vectorable nozzle
US-9878785-B2 · Jan 30, 2018 · US