ClassID:

72645

B64D2041/002 - CPC Classification

Classification description:

Power installations for auxiliary purposes Mounting arrangements for auxiliary power units (APU's)

Recent Application in this class:
#1
20260042543
2026-02-12

AIRCRAFT TAIL JET ANTI-STALL SYSTEM

#2
20240425195
2024-12-26

METHOD AND APPARATUS FOR AUXILIARY POWER UNIT INSTALLATION

#3
20240391586
2024-11-28

COMMERCIAL AIRCRAFT FOR LONG DISTANCE TRAVEL

#4
20240199216
2024-06-20

AN ELECTRICITY GENERATION SYSTEM

#5
20240199190
2024-06-20

METHOD FOR MANAGING THE CONFIGURATION OF AN AIRCRAFT ALTERNATELY COMPRISING TAIL CONES INCORPORATING OR NOT AT LEAST ONE AUXILIARY POWER UNIT OR NOT, AIRCRAFT AND DEVICE MAKING IT POSSIBLE TO IMPLEMENT SAID METHOD

#6
20240166362
2024-05-23

AIRCRAFT REMOVABLE EQUIPMENT FITTING DEVICE

#7
20240059424
2024-02-22

Auxiliary power unit air inlet door with specified acoustic reflecting and/or diffusing characteristics

#8
20240010348
2024-01-11

Emergency power unit for electric aircraft

#9
20230415904
2023-12-28

Method for converting an airplane with a combustion engine to an electrical reaction propulsion airplane

#10
20230406532
2023-12-21

Externally accessible auxiliary power unit pump assembly

#11
20230382553
2023-11-30

Auxiliary power unit system of an aircraft

#12
20230373637
2023-11-23

AIRCRAFT EMERGENCY OXYGEN SUPPLY DEVICE, AIRCRAFT COMPRISING SUCH AN EMERGENCY OXYGEN SUPPLY DEVICE, AND METHOD OF OPERATING AN AIRCRAFT EMERGENCY OXYGEN SUPPLY DEVICE

#13
20230358166
2023-11-09

HYDROGEN ENERGY CONVERSION SYSTEM

#14
20230322401
2023-10-12

Aircraft auxiliary power unit (APU) controllers and related methods

#15
20230212967
2023-07-06

Muffler

#16
20230151771
2023-05-18

Cooling system for tail cone mounted generator

#17
20230139984
2023-05-04

Dual-purpose control moment gyroscope for vehicle control

#18
20230124624
2023-04-20

Heat containment method for aircraft tail lighting

#19
20230099948
2023-03-30

Aircraft with a combustion engine having an exhaust ahead of its air intake

#20
20230068305
2023-03-02

SYSTEMS AND METHODS FOR POWER GENERATION IN AIRCRAFT CABINS

#21
20230013543
2023-01-19

Emergency power unit for electric aircraft

#22
20220258868
2022-08-18

Aircraft

#23
20220253402
2022-08-11

BLOCKCHAIN MINING PLATFORM

#24
20220238779
2022-07-28

Electrical machine and power electronics converter

#25
20220204173
2022-06-30

AIRCRAFT ELECTRICAL ENERGY SUPPLY NETWORK

#26
20220177120
2022-06-09

Mount for supporting a component and attenuating noise

#27
20220025820
2022-01-27

Systems and methods of power allocation for turboprop and turboshaft aircraft

#28
20220017207
2022-01-20

Methods and apparatus for accelerating an aircraft fuselage boundary layer via a fan powered by an auxiliary power unit of the aircraft

#29
20220003170
2022-01-06

Electric power generation controller for use in aircraft

#30
20220003169
2022-01-06

Electric power generation controller for use in aircraft

#31
20210404386
2021-12-30

GAS TURBINE ENGINE AND AIRCRAFT WITH A GAS TURBINE ENGINE

#32
20210362865
2021-11-25

Airplane with improved safety

#33
20210347492
2021-11-11

On-board power supply network of an electrically propelled aircraft

#34
20210347491
2021-11-11

Electric architecture for hybrid propulsion

#35
20210324758
2021-10-21

Multi-engine coordination during gas turbine engine motoring

#36
20210310412
2021-10-07

EXTERNAL AUXILIARY POWER UNIT

#37
20210291964
2021-09-23

Open rotor boundary layer ingestion booster

#38
20210245889
2021-08-12

Aircraft with an engine control device in the engine compartment and method to obtain such aircraft

#39
20210214093
2021-07-15

MINI-JET ENGINE, IN-FLIGHT SAFETY MEASURE

#40
20210179251
2021-06-17

Quick attach bracket

#41
20210155179
2021-05-27

Methods and systems for operating an auxiliary power unit

#42
20210114744
2021-04-22

Auxiliary power unit systems

#43
20200385136
2020-12-10

Laminar inducing apparatus

#44
20200354075
2020-11-12

Method and apparatus for auxiliary power unit installation

#45
20200318547
2020-10-08

Auxiliary power unit with intercooler

#46
20200277079
2020-09-03

Air cycle machine connected to engine gearbox

#47
20200216180
2020-07-09

Auxiliary power systems, aircraft including the same, and related methods

#48
20200148377
2020-05-14

Articulated mounts

#49
20200130858
2020-04-30

METHOD AND SYSTEM FOR COOLING AN AUXILIARY POWER UNIT USING AIRCRAFT FUEL

#50
20200010205
2020-01-09

Aircraft electrically-assisted propulsion control system

#51
20190352001
2019-11-21

PROPULSION SYSTEM FOR A SINGLE-ENGINE HELICOPTER

#52
20190290946
2019-09-26

Integrated cargo fire suppression and inerting system

#53
20190283884
2019-09-19

Cabin pressure control system architecture using cabin pressure air for inlet to APU core compressor

#54
20190261462
2019-08-22

Metal and composite leading edge assemblies

#55
20190218998
2019-07-18

Engine assembly with combined engine and cooling exhaust

#56
20190177000
2019-06-13

System and method for heat exchanger failure detection

#57
20190162340
2019-05-30

Waste-gas line for a battery in an aircraft

#58
20190161211
2019-05-30

AIRCRAFT WITH A SYSTEM FOR REARWARD MOUNTING AND DISMOUNTING AN ENGINE AND METHOD FOR REARWARD DISMOUNTING AN ENGINE

#59
20190127077
2019-05-02

Aircraft tailcone incorporating an APU annular air intake

#60
20190106203
2019-04-11

Mount for supporting a component and attenuating noise

#61
20190100312
2019-04-04

High-flying solar unmanned aircraft system capable of extending endurance time

#62
20190092489
2019-03-28

Release mechanism

#63
20190092488
2019-03-28

Aircraft fuselage apparatus having embedded structural batteries

#64
20180373237
2018-12-27

Drone and control device and communication port device thereof

#65
20180370643
2018-12-27

Vibration isolation device, especially for aircraft applications

#66
20180362181
2018-12-20

Direct current stabilization power supply system

#67
20180354637
2018-12-13

Aft fan counter-rotating turbine engine

#68
20180346136
2018-12-06

Auxiliary power system for rotorcraft with folding propeller arms and crumple zone loading gear

#69
20180346132
2018-12-06

Aircraft incorporating a power unit for generating electric, pneumatic and/or hydraulic power

#70
20180327108
2018-11-15

Engine exhaust duct mounting assembly

#71
20180312267
2018-11-01

Driving device assembly with multiple drive devices and application thereof

#72
20180273211
2018-09-27

Expedited preflight readiness system for aircraft

#73
20180273209
2018-09-27

Expedited preflight readiness system for aircraft

#74
20180273198
2018-09-27

Hot-swappable hybrid APU for aircraft

#75
20180273197
2018-09-27

Hybrid auxiliary power unit for aircraft

#76
20180244395
2018-08-30

Aircraft support structures, systems, and methods

#77
20180237149
2018-08-23

System and method for controlling a position of an auxiliary power unit inlet door

#78
20180222567
2018-08-09

Opening and secure-closing system

#79
20180219363
2018-08-02

Electrical power distribution box for an aircraft

#80
20180178920
2018-06-28

Aircraft electrically-assisted propulsion control system

#81
20180171876
2018-06-21

Mount structure for an aircraft ancillary engine unit

#82
20180170564
2018-06-21

Unit for generating non-propulsive electrical power

#83
20180162706
2018-06-14

Elevator system for auxiliary power unit

#84
20180050814
2018-02-22

Release mechanism

#85
20180038349
2018-02-08

Release mechanism

#86
20180023413
2018-01-25

Multi-engine coordination during gas turbine engine motoring

#87
20180022468
2018-01-25

Suspension system for an aircraft auxiliary power unit

#88
20180002031
2018-01-04

Hydraulically assisted rat actuator latch mechanism

#89
20170341729
2017-11-30

Fuselage rear end of an aircraft

#90
20170298822
2017-10-19

Thermally efficient gas turbine engine for an aircraft

#91
20170267369
2017-09-21

Motor-generator for high efficiency auxiliary power system

#92
20170234167
2017-08-17

Auxiliary drive bowed rotor prevention system for a gas turbine engine through an engine accessory

#93
20170226959
2017-08-10

Engine assembly with combined engine and cooling exhaust

#94
20170184022
2017-06-29

Mobile multi-mode power generation system with mode based adjustable drag configuration

#95
20170174357
2017-06-22

Aircraft With A Bleed Supply Hybrid Architecture

#96
20170174356
2017-06-22

Auxiliary power unit inlet duct assembly for mitigating noise

#97
20170166321
2017-06-15

Suspension system for an aircraft auxiliary power unit

#98
20170127477
2017-05-04

Metal and composite leading edge assemblies

#99
20170123448
2017-05-04

Actuator locking mechanism

#100
20170096965
2017-04-06

Exhaust plume cooling using periodic interruption of exhaust gas flow to form ambient air entraining vortices

#101
20170066518
2017-03-09

AIRCRAFT REAR PORTION COMPRISING A VERTICAL STABILIZER HAVING A BOX-SECTION STRUCTURE INCLUDING A LOWER PORTION ACCOMMODATED IN THE FUSELAGE

#102
20170050739
2017-02-23

Articulated mounts

#103
20170036768
2017-02-09

AUXILLARY POWER UNIT ASSEMBLY AND A METHOD OF USING THE SAME

#104
20170022904
2017-01-26

Sound attenuation apparatus and method

#105
20160376021
2016-12-29

Auxiliary power unit with intercooler

#106
20160362189
2016-12-15

Aircraft with an auxiliary power unit attached to the aircraft fuselage by means of an attachment system

#107
20160347464
2016-12-01

Load bearing element and a method for manufacturing a load bearing element

#108
20160347448
2016-12-01

Disc-shaped turbo-jet aircraft

#109
20160311555
2016-10-27

Suspension of a tubular element in an aircraft compartment

#110
20160311553
2016-10-27

Tail sitter vehicle with aerial and ground refueling system

#111
20160297539
2016-10-13

Adjustable engine suspension for positioning the engine relative to the mount thereof

#112
20160264252
2016-09-15

Method and system for generating auxiliary power in an aircraft

#113
20160244178
2016-08-25

Alignment system for exhaust installation

#114
20160177724
2016-06-23

Compartment based inlet particle separator system

#115
20160176533
2016-06-23

REMOVABLE AUXILIARY POWER DEVICE FOR AIRCRAFT AND AIRCRAFT ADAPTED TO USE AT LEAST ONE SUCH DEVICE

#116
20160160677
2016-06-09

System, propulsion system and vehicle

#117
20160111885
2016-04-21

Electrical power distribution assembly for an aircraft

#118
20160099363
2016-04-07

Using solar cells as bypass diode heat sinks

#119
20160031567
2016-02-04

System for recovering and converting kinetic energy and potential energy as electrical energy for an aircraft

#120
20160001892
2016-01-07

Auxiliary power unit mounting bracket

#121
20160001890
2016-01-07

APU exhaust system

#122
20150337993
2015-11-26

Drain mast seal having segregated chambers

#123
20150329213
2015-11-19

Ram air turbine strut with integral gearbox and drive sections

#124
20150298815
2015-10-22

Redundant mount system

#125
20150298811
2015-10-22

Energy unit, cabin movement and vehicle, as well as a method for supplying the cabin of a vehicle with a process material

#126
20150285153
2015-10-08

Power take-off gearbox on a turbomachine, consisting of an assembled housing

#127
20150251770
2015-09-10

System and method for operating a multi-engine aircraft in an auxiliary power unit mode

#128
20150233300
2015-08-20

Geared gas turbine engine accessory gearbox

#129
20150183524
2015-07-02

Auxiliary power unit with integrated fire detection system

#130
20150183523
2015-07-02

Tail cone driven emergency power generating system

#131
20150143950
2015-05-28

Method and configuration for an auxiliary power engine to deliver propulsive and/or non-propulsive energy in a helicopter architecture

#132
20150122944
2015-05-07

Method and architecture for the optimized transfer of power between an auxiliary power motor and the main engines of a helicopter

#133
20150097079
2015-04-09

Method for airborne kinetic energy conversion

#134
20150034771
2015-02-05

DEVICE FOR SUPPLYING AIR TO AN AUXILIARY POWER UNIT OF AN AIRCRAFT AND ASSOCIATED AIRCRAFT

#135
20150014479
2015-01-15

Independent power generation in aircraft

#136
20140332624
2014-11-13

Inlet duct screen assembly

#137
20140150649
2014-06-05

System for supplying an aircraft with inert gas, method for supplying an aircraft with inert gas, use of a membrane and aircraft

#138
20140150575
2014-06-05

Accessory relay having an extended service life

#139
20140084107
2014-03-27

Flexible and fireproof APU drainage device

#140
20130320134
2013-12-05

Auxiliary fire resistant mount system for an auxiliary power unit

#141
20130319003
2013-12-05

AUXILIARY POWER UNIT MOUNT WITH FIRE RESISTANT SHIELDING

#142
20130193271
2013-08-01

Drainage mast of the compartment of the auxiliary power unit of an aircraft

#143
20130015291
2013-01-17

Fire resistant structural mount yoke and system

#144
20130001369
2013-01-03

Auxiliary power unit inlet

#145
20130001009
2013-01-03

Eductor exhaust silencer assembly with bypass gasflow

#146
20120318913
2012-12-20

On-board aircraft auxiliary power systems having dual auxiliary power units

#147
20120312023
2012-12-13

THERMAL MANAGEMENT SYSTEMS AND METHODS FOR AUXILIARY POWER UNITS

#148
20120292455
2012-11-22

Auxiliary power unit inlet duct screen assembly

#149
20120291450
2012-11-22

AUXILIARY POWER UNIT MOUNTING FEATURE

#150
20120273611
2012-11-01

Exhaust silencer with baffles

#151
20120216549
2012-08-30

System, propulsion system and vehicle

#152
20120174595
2012-07-12

Arrangement for maintaining flow to an air inlet of an auxiliary power unit assembly

#153
20120151933
2012-06-21

Method and system for feeding and ventilating with air a plant of an aircraft auxiliary power unit

#154
20120132749
2012-05-31

Tail-cone of an aircraft with movable fairing

#155
20120085866
2012-04-12

Interchangeable joint concept for an aircraft rear fuselage cone

#156
20120074260
2012-03-29

Rear fuselage of an aircraft

#157
20120068008
2012-03-22

Aircraft provided with a fuel cell system

#158
20110303786
2011-12-15

Silencer for an auxiliary power unit of an aircraft

#159
20110240795
2011-10-06

Emergency power system for an aircraft

#160
20110198918
2011-08-18

Device and method for emergency electricity supply on board an aircraft

#161
20110186096
2011-08-04

AIRCRAFT MAINTENANCE UNIT

#162
20110127372
2011-06-02

Automatic control systems for aircraft auxiliary power units, and associated methods

#163
20110084192
2011-04-14

Aircraft auxiliary power unit suspension system for isolating an aircraft auxiliary power unit

#164
20110049291
2011-03-03

Mounting device for mounting an energy supply device on a structural component of an aircraft and aircraft with a mounting device

#165
20100300661
2010-12-02

Device for cooling hot gas to be discharged from an aircraft

#166
20100269328
2010-10-28

Device for mechanically decoupled fastening of an aircraft component perfused by hot gas

#167
20100233552
2010-09-16

MOBILE GENERATOR FOR SUPPLYING POWER TO THE ON-BOARD POWER SUPPLY SYSTEM FROM GROUND, ESPECIALLY THE ON-BOARD POWER SUPPLY SYSTEM OF A PARKED AIRCRAFT

#168
20100225163
2010-09-09

Method for making power available and power supply unit therefor

#169
20100044502
2010-02-25

Beam mounted rear propulsion system for an aircraft and aircraft with such system

#170
20100038471
2010-02-18

Suspension system for aircraft auxiliary power unit with elastomeric member

#171
20100019505
2010-01-28

Gravity scavenged generator with integral engine oil tank

#172
20090309364
2009-12-17

Power generation system for an aircraft using a fuel cell

#173
20090302152
2009-12-10

Engine arrangement

#174
20090065297
2009-03-12

Dual action inlet door and method for use thereof

#175
20090037036
2009-02-05

Automatic control systems for aircraft auxiliary power units, and associated methods

#176
20090025393
2009-01-29

Auxiliary power unit assembly

#177
20080245062
2008-10-09

Passive cooling system for auxiliary power unit installation

#178
20080236939
2008-10-02

Exhaust silencer assembly

#179
20080179466
2008-07-31

Dual flow APU inlet and associated systems and methods

#180
20080099611
2008-05-01

Tail cone for aircraft with movable fairing and support structure for auxiliary power unit and the ancillary elements thereof

#181
20080098747
2008-05-01

Auxiliary power unit assembly

#182
20080078863
2008-04-03

Thermally compliant APU exhaust duct arrangements and associated systems and methods

#183
20070175223
2007-08-02

Aircraft auxiliary gas turbine engine and method for operating

#184
20070145189
2007-06-28

Opening and secure-closing system for doors

#185
20070120037
2007-05-31

Support system for auxiliary power unit

#186
20070089396
2007-04-26

Eductor swirl buster

#187
20070068169
2007-03-29

Auxiliary power unit inlet door position control system and method

#188
20070063098
2007-03-22

Passive cooling system for auxiliary power unit installation

#189
20070057128
2007-03-15

Auxiliary power unit case flange to plate adapter

#190
20070056292
2007-03-15

Auxiliary power unit case flange to cone bolt adapter

#191
20070026268
2007-02-01

Aircraft having a fuel cell

#192
20070022731
2007-02-01

Compact, light weight eductor oil cooler plenum and surge flow plenum design

#193
20060273221
2006-12-07

Aircraft auxiliary power unit suspension system for isolating an aircraft auxiliary power unit

#194
20060207827
2006-09-21

Support means for an acoustic liner used in an auxiliary power unit exhaust muffler

#195
20060207826
2006-09-21

Composite muffler for use with airborne auxiliary power unit

#196
20060196993
2006-09-07

Pre-hung inlet door system

#197
20060180388
2006-08-17

Eccentric exhaust muffler for use with auxiliary power units

#198
20060175836
2006-08-10

Auxiliary power unit exhaust duct bellmouth incorporating revolute joints to facilitate installation and removal of said auxiliary power unit

#199
20060163425
2006-07-27

Aircraft inlet assembly for reducing auxiliary power unit noise

#200
20060144050
2006-07-06

Integrated mount duct for use with airborne auxiliary power units and other turbomachines

#201
20060102781
2006-05-18

Dual action inlet door and method for use thereof

#202
20060102779
2006-05-18

Dual flow APU inlet and associated systems and methods

#203
20060102776
2006-05-18

Dual action inlet door and method for use thereof

#204
20060076430
2006-04-13

Methods and systems for simulating multi-phase fluid flows, including fire suppressant flows

#205
20060071123
2006-04-06

Automatic control systems for aircraft auxiliary power units, and associated methods

#206
20060060417
2006-03-23

Auxiliary power unit exhaust duct with muffler incorporating an externally replaceable acoustic liner

#207
20060059891
2006-03-23

Quiet chevron/tab exhaust eductor system

#208
20060059674
2006-03-23

Procedure for replacement of acoustic liner in integrated exhaust duct muffler for use with airborne auxiliary power units

#209
20060043236
2006-03-02

Integrated axially varying engine muffler, and associated methods and systems

#210
20060032974
2006-02-16

Modular installation kit for auxiliary power unit

#211
20050268593
2005-12-08

Thermal management for aircraft auxiliary power unit compartment

#212
20050224635
2005-10-13

Dual action inlet door and method for use thereof

#213
20050200858
2005-09-15

Contoured inspection plug for low pressure drop

#214
17734014
2023-04-25

Hybrid propulsion systems for an electric aircraft

#215
17404539
2025-04-01

Dual chemistry rechargeable battery system for use in electric APU-equipped commercial trucks