ClassID:

72564

B64D27/04 - CPC Classification

Classification description:

Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby; Aircraft characterised by the type or position of power plant of piston type

Sub-classes:
Recent Application in this class:
#1
20260077875
2026-03-19

TURBO-COMPOUNDED ENGINE WITH EXHAUST DUCT ACOUSTIC ARRANGEMENT

#2
20260048840
2026-02-19

UNMANNED AERIAL VEHICLE INCLUDING TRANSVERSELY EXTENDING SUPPORT BOOMS

#3
20260022676
2026-01-22

AIR-COOLED, FOUR-STROKE AVIATION ENGINE

#4
20250304247
2025-10-02

UAV CONFIGURATIONS AND BATTERY AUGMENTATION FOR UAV INTERNAL COMBUSTION ENGINES, AND ASSOCIATED SYSTEMS AND METHODS

#5
20250178754
2025-06-05

POWER MODULE AND CLUTCH MECHANISM FOR UNMANNED AIRCRAFT SYSTEMS

#6
20250051017
2025-02-13

AIRCRAFT POWER PLANT

#7
20240425192
2024-12-26

TURBO-COMPOUNDED ENGINE WITH EXHAUST DUCT ACOUSTIC ARRANGEMENT

#8
20240337227
2024-10-10

AIR-COOLED, FOUR-STROKE AVIATION ENGINE

#9
20240300680
2024-09-12

Engine device for unmanned flying apparatus

#10
20240223048
2024-07-04

AIRCRAFT PISTON ENGINE MAGNETO AND IGNITION SYSTEM

#11
20240125275
2024-04-18

METHOD AND AIRCRAFT PROVIDED WITH AT LEAST ONE COMBUSTION ENGINE AND A DRIVE SYSTEM WITH AT LEAST TWO ELECTRIC MACHINES

#12
20240092491
2024-03-21

Aircraft power plant

#13
20240017846
2024-01-18

AIRCRAFT

#14
20240017842
2024-01-18

AIRCRAFT PROPULSION SYSTEM WITH INTERMITTENT COMBUSTION ENGINE(S)

#15
20240010346
2024-01-11

HYBRID-ELECTRIC AIRCRAFT PROPULSION SYSTEM AND METHOD

#16
20230365268
2023-11-16

Power module and clutch mechanism for unmanned aircraft systems

#17
20230294829
2023-09-21

UAV configurations and battery augmentation for UAV internal combustion engines, and associated systems and methods

#18
20230257126
2023-08-17

HYBRID VTOL AERIAL VEHICLE

#19
20230202654
2023-06-29

Unmanned aerial vehicle including transversely extending support booms

#20
20230085551
2023-03-16

Aircraft power plant

#21
20230040082
2023-02-09

Air-cooled, four-stroke aviation engine

#22
20230031511
2023-02-02

Aircraft power plant with supercritical COheat engine

#23
20220389818
2022-12-08

Aircraft engine with opposed piston engine

#24
20220388639
2022-12-08

Hybrid VTOL Aerial Vehicle

#25
20220380059
2022-12-01

Piston Wings

#26
20220297843
2022-09-22

Electric distributed propulsion using exhaust recovery power

#27
20220243638
2022-08-04

Muffler for small engines

#28
20220185489
2022-06-16

Hybrid propulsion system for vertical take-off and landing aircraft

#29
20220153423
2022-05-19

HYBRID-ELECTRIC PROPULSION ARCHITECTURE AND METHOD FOR DISSIPATING ELECTRICAL ENERGY IN SUCH AN ARCHITECTURE

#30
20220144439
2022-05-12

Dual drive hybrid electric power plant for aircraft

#31
20220127009
2022-04-28

Aircraft power plant with supercritical COheat engine

#32
20220106051
2022-04-07

Piston engine powered aircraft actuation system

#33
20220097846
2022-03-31

UAV configurations and battery augmentation for UAV internal combustion engines, and associated systems and methods

#34
20210371102
2021-12-02

Unmanned aerial vehicle including transversely extending support booms

#35
20210362866
2021-11-25

Unmanned Aerial Vehicle Power System for Minimizing Propulsion Failure

#36
20210354841
2021-11-18

Protection functions

#37
20210309382
2021-10-07

SMART COMBUSTION ENGINE

#38
20210253224
2021-08-19

Weight-Shift Control (WSC)

#39
20210189932
2021-06-24

Centrifugal oil mist separator

#40
20210163125
2021-06-03

Hybrid rotorcraft having at least one pusher or puller propeller, and an associated piloting method

#41
20210101692
2021-04-08

Dual hybrid propulsion system for an aircraft having a cross-connecting clutch

#42
20210086893
2021-03-25

CONVERTIPLANE

#43
20200407060
2020-12-31

NOVEL AIRCRAFT DESIGN USING TANDEM WINGS AND A DISTRIBUTED PROPULSION SYSTEM

#44
20200392920
2020-12-17

Aero compression combustion drive assembly control system

#45
20200324894
2020-10-15

Unmanned aerial vehicle including transversely extending support booms

#46
20200283142
2020-09-10

Autonomous unmanned aerial vehicle

#47
20200256307
2020-08-13

Engine ignition timing and power supply system

#48
20200240384
2020-07-30

Engine ignition timing and power supply system

#49
20200240383
2020-07-30

Engine ignition timing and power supply system

#50
20200164992
2020-05-28

Power supply device and flying body

#51
20200102828
2020-04-02

Concentric turbomachine with electric machine

#52
20200070605
2020-03-05

VERTICAL TAKE-OFF AND LANDING METHOD AND APPARATUS OF AUTOMOBILE

#53
20200039658
2020-02-06

ACCELERATION CONTROL FOR A CONVERTIBLE AIR-ROAD VEHICLE

#54
20200023971
2020-01-23

Personal flight vehicle

#55
20200001996
2020-01-02

UAV configurations and battery augmentation for UAV internal combustion engines, and associated systems and methods

#56
20190375502
2019-12-12

UAV configurations and battery augmentation for UAV internal combustion engines, and associated systems and methods

#57
20190293045
2019-09-26

Engine ignition timing and power supply system

#58
20190291852
2019-09-26

FLYING VEHICLE HYBRID POWER PLANT

#59
20190256200
2019-08-22

Hybrid VTOL aerial vehicle

#60
20190186334
2019-06-20

Engine assembly with plenum and remote fan

#61
20190152602
2019-05-23

Personal flight vehicle

#62
20190152596
2019-05-23

High efficiency long range drone

#63
20190118957
2019-04-25

Integrated heat management for hybrid propulsion

#64
20190085774
2019-03-21

Method of operating an engine assembly

#65
20190085760
2019-03-21

Engine coupling arrangement

#66
20190055027
2019-02-21

Adjustable offset mount (AOM) for engines of model airplanes

#67
20190023389
2019-01-24

Vertical takeoff and landing aircraft

#68
20180354629
2018-12-13

Multistage turbocharging system for providing constant original critical altitude pressure input to high pressure stage turbocharger

#69
20180278184
2018-09-27

Synchronous machine module, vehicle drive and vehicle

#70
20180202513
2018-07-19

Internal combustion piston engine for aviation

#71
20180194484
2018-07-12

Vertical lift by series hybrid-propulsion

#72
20180156281
2018-06-07

Combustion engine, an aircraft fitted with said engine, and a method of fabricating such an engine

#73
20180106241
2018-04-19

STIRLING ENGINE FOR AN EMISSION-FREE AIRCRAFT

#74
20180016021
2018-01-18

Aircraft propeller drive system

#75
20170305548
2017-10-26

Helicopter

#76
20170145945
2017-05-25

Aero compression combustion drive assembly control system

#77
20170066531
2017-03-09

UAV configurations and battery augmentation for UAV internal combustion engines, and associated systems and methods

#78
20170057630
2017-03-02

AIRCRAFT

#79
20160340035
2016-11-24

Personal flight vehicle

#80
20160272314
2016-09-22

Flying car or drone

#81
20160244150
2016-08-25

Airframe-integrated propeller-driven propulsion systems

#82
20160243910
2016-08-25

Amphibious flying car

#83
20160207633
2016-07-21

Power control for propeller-driven aircraft

#84
20160102625
2016-04-14

System and method for alerting and suppression of detonation and/or pre ignition phenomena in internal combustion engines by monitoring RPM fluctuation

#85
20160102605
2016-04-14

Aerodiesel engine

#86
20160025075
2016-01-28

Stirling engine for an emission-free aircraft

#87
20150260095
2015-09-17

Engines and integral engine/ generators

#88
20150114477
2015-04-30

Aircraft fuel supply systems

#89
20140373521
2014-12-25

Torque converter for rotorcraft

#90
20130112158
2013-05-09

Aerodiesel engine

#91
20130092789
2013-04-18

Hybrid drive for helicopters

#92
20120329593
2012-12-27

HYBRID TRANSMISSION USING PLANETARY GEARSET FOR MULTIPLE SOURCES OF TORQUE FOR VEHICLES

#93
20110290200
2011-12-01

Aircraft power plant, an aircraft, and a method of using a piston engine in a power plant having a conventional gearbox

#94
20110281679
2011-11-17

HYBRID TRANSMISSION USING PLANETARY GEARSET FOR MULTIPLE SOURCES OF TORQUE FOR MARINE, OR TWO WHEELED LAND VEHICLES

#95
20080297065
2008-12-04

Dual mode searchlight dimming controller systems and methods

#96
20080141921
2008-06-19

Marine hulls and drives

#97
20080027620
2008-01-31

Piston Type Aircraft Engine

#98
20080006739
2008-01-10

Vehicle power train including at least two power sources

#99
20060214054
2006-09-28

Piston type aircraft engine

#100
20050132984
2005-06-23

Piston type aircraft engine

#101
16502957
2020-10-20

Engine vibration isolation system

#102
15584704
2019-07-09

Engine vibration isolation system

#103
15584586
2019-11-12

Cold start of internal combustion engine