ClassID:

72608

B64D2033/0293 - CPC Classification

Classification description:

Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes specially adapted for particular type of power plants for turboprop engines

Recent Application in this class:
#1
20260092556
2026-04-02

OPEN ROTOR PROPULSION SYSTEM WITH FORWARD EXHAUST OUTLET(S)

#2
20250341186
2025-11-06

REMOTE MOUNTED ACCESSORY GEARBOX

#3
20250276798
2025-09-04

TWO-PIECE ENGINE COLLAR

#4
20250223929
2025-07-10

UNDUCTED PROPELLER GAS TURBINE COMPRISING A COOLING AIR CHANNEL AND A VARIABLE BLEED VALVE EJECTION CHANNEL

#5
20240043131
2024-02-08

Aircraft intake duct with passively movable flow restrictor

#6
20230303256
2023-09-28

Strut for aircraft engine

#7
20210270147
2021-09-02

Torque limiting device in a connection between a gearbox and a stationary structure in a gas turbine engine and a gas turbine engine

#8
20210147065
2021-05-20

Systems and methods for improved propeller design

#9
20210047964
2021-02-18

Pusher turboprop powerplant installation

#10
20200284192
2020-09-10

Method and apparatus for an engine inlet for a ram-air system with an icing bypass

#11
20200284190
2020-09-10

Mixed-compression inlet duct for turbine engines facilitating supersonic flight

#12
20200130857
2020-04-30

Inlet flow structure for turboprop engine

#13
20200088097
2020-03-19

Ported shroud system for turboprop inlets

#14
20190384234
2019-12-19

Turbopropeller engine control system and method, providing optimized efficiency

#15
20190322379
2019-10-24

Hybrid propulsion engines for aircraft

#16
20190270524
2019-09-05

Cradle for a turbopropeller engine with integrated air inlet duct

#17
20190263531
2019-08-29

Tiltrotor aircraft inlet-barrier filter method and apparatus

#18
20190161167
2019-05-30

Systems and methods for improved propeller design

#19
20190084683
2019-03-21

Drive device for an aircraft

#20
20180354638
2018-12-13

Turbomachine comprising a trap for foreign objects circulating in an air flow

#21
20180328283
2018-11-15

Air intake for gas turbine engine

#22
20180312269
2018-11-01

Aircraft having a static air inlet system with a separator, and an antivibration method

#23
20180215478
2018-08-02

Inlet screen for aircraft engines

#24
20180163633
2018-06-14

Twin shafts driving adjacent fans for aircraft propulsion

#25
20170268424
2017-09-21

Internally heated engine inlet screen for aircraft engines

#26
20170241342
2017-08-24

Air intake for turboprop engine

#27
20170241341
2017-08-24

Air intake with scroll portion and strutted portion for gas turbine engine

#28
20170138261
2017-05-18

Aircraft turbine engine air intake duct

#29
20170030233
2017-02-02

Filtering of a flow of gas/particles

#30
20170008610
2017-01-12

Aircraft and method of countering aerodynamic effects of propeller wake

#31
20160237898
2016-08-18

Turboprop air intake

#32
20160160757
2016-06-09

Air intake arrangement

#33
20150211422
2015-07-30

System and method for controlling a single-spool turboshaft engine

#34
20140250861
2014-09-11

Aircraft power plant

#35
20140158833
2014-06-12

Air inlet combining a filter and a bypass device for use with a turbine engine

#36
20130087663
2013-04-11

Self-aligning inlet plenum system for rotorcraft

#37
20120207594
2012-08-16

Gas turbine engine air intake in a nacelle

#38
20110220217
2011-09-15

Air inlet of an aeroengine having unducted pusher propellers

#39
20110208400
2011-08-25

System and method for controlling a single-spool turboshaft engine

#40
20110158808
2011-06-30

METHOD FOR PROPELLER BLADE ROOT FLOW CONTROL BY AIRFLOW THROUGH SPINNER

#41
20080099632
2008-05-01

Aircraft airframe architectures

#42
20070284477
2007-12-13

Vertical tail unit for aircraft and aircraft equipped with same

#43
20060101802
2006-05-18

Air intake appliance for an aircraft engine

#44
19083117
2026-05-12

Overspeed protection for a turbocompressor of an aircraft powerplant assembly

#45
18936310
2025-07-15

Air inlet configurations for hybrid aircraft

#46
18541606
2024-11-12

Integrated centrifugal compressor diffuser and high pressure turbine vane assembly