ClassID:

145269

F05D2220/10 - CPC Classification

Classification description:

Application in ram-jet engines or ram-jet driven vehicles

Recent Application in this class:
#1
20260132759
2026-05-14

Flowpath Assembly with Composite Tube Array

#2
20250290467
2025-09-18

PROPULSION SYSTEM USING RAMJET BLEED AIR FOR GAS TURBINE COMBUSTION

#3
20240287952
2024-08-29

ENGINE WITH ROTATING DETONATION COMBUSTION SYSTEM

#4
20240229726
2024-07-11

AIRCRAFT PROPULSION SYSTEM

#5
20240191674
2024-06-13

PROPULSION SYSTEM USING RAMJET BLEED AIR FOR GAS TURBINE COMBUSTION

#6
20240084764
2024-03-14

HYPERSONIC VEHICLE AND SCRAMJET ENGINE WITH VARIABLE FUEL INJECTION FOR OPERATION OVER A LARGE MACH NUMBER RANGE

#7
20240068774
2024-02-29

Effector inlet cover, and method of separation

#8
20230340930
2023-10-26

TURBORAMJET ENGINE

#9
20230303263
2023-09-28

Aircraft accessory unit powered by ram air turbine

#10
20230286658
2023-09-14

Ram-air duct system

#11
20230213193
2023-07-06

Engine with rotating detonation combustion system

#12
20230213192
2023-07-06

Engine with rotating detonation combustion system

#13
20230020803
2023-01-19

Engine with rotating detonation combustion system

#14
20220290864
2022-09-15

Engine with rotating detonation combustion system

#15
20220252012
2022-08-11

FLOWPATH ASSEMBLY WITH COMPOSITE TUBE ARRAY

#16
20220111974
2022-04-14

Aircraft engines with a fuel cell

#17
20220090560
2022-03-24

HELICON YIELD PLASMA ELECTROMAGNETIC RAM-SCRAMJET DRIVE ROCKET ION VECTOR ENGINE

#18
20220074369
2022-03-10

Airframe integrated scramjet with fixed geometry and shape transition for hypersonic operation over a large Mach number range

#19
20210310442
2021-10-07

Airbreathing engine module with reverse flow arrangement

#20
20210246850
2021-08-12

Method of reducing low energy flow in an isolator of a flight vehicle air breathing engine

#21
20210164416
2021-06-03

Turbine engine structure with oxidizer enhanced mode

#22
20210156339
2021-05-27

Cooling system for an engine assembly

#23
20210108801
2021-04-15

System for Rotating Detonation Combustion

#24
20210047985
2021-02-18

Selectable mode ramjet/rocket jet engine

#25
20200362795
2020-11-19

Scramjet engine and flying object

#26
20200284192
2020-09-10

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

#27
20200040843
2020-02-06

Ramjet engine with rotating detonation combustion system and method for operation

#28
20190316546
2019-10-17

Scramjet engine

#29
20190293024
2019-09-26

HYDROGEN-FUELED SUPERSONIC TURBORAMJET ENGINE

#30
20190264920
2019-08-29

Engine with rotating detonation combustion system

#31
20190264919
2019-08-29

Engine with rotating detonation combustion system

#32
20190264918
2019-08-29

Engine With Rotating Detonation Combustion System

#33
20190264917
2019-08-29

Engine with rotating detonation combustion system

#34
20190234308
2019-08-01

High-mach vehicle cooling

#35
20190185172
2019-06-20

Use of infrared transparent airframe materials for passive cooling of internal components

#36
20190170089
2019-06-06

Flight vehicle with air inlet isolator having wedge on inner mold line

#37
20190063372
2019-02-28

TRREN exhaust nozzle-M-spike turbo ram rocket

#38
20190032602
2019-01-31

Jet engine, flying object, and operation method of jet engine

#39
20190017706
2019-01-17

JET ENGINE AND FLYING OBJECT

#40
20180347462
2018-12-06

Flight vehicle air breathing propulsion system with isolator having obstruction

#41
20180347461
2018-12-06

Flight vehicle air breathing engine with isolator having bulged section

#42
20180329026
2018-11-15

Unmanned aerial vehicle with deployable transmit/receive module apparatus with ramjet

#43
20180305269
2018-10-25

Copolymerized Bis-(Ethylene Oxy) Methane Polysulfide Polymer and Hydroxyl Terminated Poly Butadiene as a Solid Fueled Ramjet Fuel

#44
20180298847
2018-10-18

Fragmenting nozzle system

#45
20180274486
2018-09-27

Flight vehicle engine with finned inlet

#46
20180187660
2018-07-05

MAGNETIC GAS ENGINE AND METHOD OF EXTRACTING WORK

#47
20180127106
2018-05-10

Propulsion system using large scale vortex generators for flow redistribution and supersonic aircraft equipped with the propulsion system

#48
20180119644
2018-05-03

Engine for hypersonic aircrafts with supersonic combustor

#49
20170343645
2017-11-30

Unmanned aerial vehicle with deployable transmit/receive module apparatus with ramjet

#50
20170190446
2017-07-06

Centripetal aerodynamic platform spacecraft

#51
20170058835
2017-03-02

Combustor and jet engine having the same

#52
20170002768
2017-01-05

Inlet flow restrictor

#53
20160377029
2016-12-29

HELICON YIELD PLASMA ELECTROMAGNETIC RAM-SCRAMJET DRIVE ROCKET ION VECTOR ENGINE

#54
20160363318
2016-12-15

Jet engine, flying object, and method of operating jet engine

#55
20160032907
2016-02-04

Magnetic Gas Engine and Method of Extracting Work

#56
20160017751
2016-01-21

COOLING DEVICE FOR A TURBOJET ENGINE OF AN AIRCRAFT NACELLE

#57
20160003062
2016-01-07

Fan blades with protective sheaths and galvanic shields

#58
20160003060
2016-01-07

HYBRID FAN BLADES FOR JET ENGINES

#59
20150377060
2015-12-31

Airflow modulation system and method

#60
20150361817
2015-12-17

Turbine engine impeller

#61
20150337661
2015-11-26

T-shaped platform leading edge anti-rotation tabs

#62
20150330307
2015-11-19

Laser-charged high-speed propulsion system and method for production of high-powered laser

#63
20150329214
2015-11-19

Ram air turbine gearbox sealing

#64
20150308383
2015-10-29

Engine for propelling an aircraft and aircraft having at least one engine and at least one hydrogen tank

#65
20150007550
2015-01-08

Combined cycle integrated combustor and nozzle system

#66
20140224940
2014-08-14

Propulsion system using large scale vortex generators for flow redistribution and supersonic aircraft equipped with the propulsion system

#67
20140208767
2014-07-31

Fuel supply system, scramjet engine and method for operating the same

#68
20140030080
2014-01-30

Turbine housing for air cycle machine

#69
20110314791
2011-12-29

METHOD FOR COMBUSTION SYSTEM

#70
20110107738
2011-05-12

Combined cycle integrated combustor and nozzle system

#71
20110083420
2011-04-14

Subsonic and Stationary Ramjet Engines

#72
20110036067
2011-02-17

Airflow modulation for dual mode combined cycle propulsion systems

#73
20100251692
2010-10-07

Combining a series of more efficient engines into a unit, or modular units

#74
20100186368
2010-07-29

Ignition/chemical reaction promotion/flame holding device, speed-type internal combustion engine, and furnace

#75
20100172757
2010-07-08

INDIRECT DRIVE UNIT APPARATUS, SYSTEM AND METHOD

#76
20100089027
2010-04-15

Magnetic gas engine and method of extracting work

#77
20090241549
2009-10-01

Stationary mechanical engines and subsonic jet engines using supersonic gas turbines

#78
20090071120
2009-03-19

Combined cycle integrated combustor and nozzle system

#79
20090067983
2009-03-12

Centerline compression turbine engine

#80
20070119149
2007-05-31

Hyperjet

#81
20070044449
2007-03-01

Plasma torch for ignition, flameholding and enhancement of combustion in high speed flows

#82
20060248895
2006-11-09

Magnetic gas engine and method of extracting work

#83
20060225405
2006-10-12

Cooling scheme for scramjet variable geometry hardware

#84
20060174606
2006-08-10

High static thrust valveless pulse-jet engine with forward-facing intake duct

#85
20060064960
2006-03-30

Methods and apparatus for assembling a gas turbine engine

#86
20050235629
2005-10-27

Cooling scheme for scramjet variable geometry hardware

#87
18904832
2026-02-24

Inlet bleed diversion through rotating detonation rocket engine

#88
18635986
2025-02-11

Passive bypass for mitigation of inlet buzz in supersonic or hypersonic air-breathing engines

#89
18633815
2024-10-29

Power plant cycle using renewable energy facilitated by a supersonic shock wave compressor apparatus

#90
18118606
2024-07-16

Airbreathing propulsion engines including rotating detonation and bluff body systems

#91
16785052
2022-05-24

Pressure equalization in a dual flow path exhaust of a hypersonic propulsion system

#92
15888432
2019-07-16

Laser powered, air breathing, open-cycle heat engines