ClassID:

140404

F02K7/16 - CPC Classification

Classification description:

Plants in which the working fluid is used in a jet only, i.e. the plants not having a turbine or other engine driving a compressor or a ducted fan; Control thereof characterised by having ram-action compression, i.e. aero-thermo-dynamic-ducts or ram-jet engines Composite ram-jet/turbo-jet engines

Recent Application in this class:
#1
20250290467
2025-09-18

PROPULSION SYSTEM USING RAMJET BLEED AIR FOR GAS TURBINE COMBUSTION

#2
20240301844
2024-09-12

RAMJET PROPULSION METHOD

#3
20240287952
2024-08-29

ENGINE WITH ROTATING DETONATION COMBUSTION SYSTEM

#4
20240229745
2024-07-11

Duplex Turbine Guide Vane Assembly

#5
20240191675
2024-06-13

Ammonia based hydrogen powered combined propulsion system

#6
20240191674
2024-06-13

PROPULSION SYSTEM USING RAMJET BLEED AIR FOR GAS TURBINE COMBUSTION

#7
20240167418
2024-05-23

Electrically powered supersonic and hypersonic propulsor

#8
20240133352
2024-04-25

Duplex Turbine Guide Vane Assembly

#9
20230340930
2023-10-26

TURBORAMJET ENGINE

#10
20230323809
2023-10-12

Combined cycle propulsion system for hypersonic flight

#11
20230286658
2023-09-14

Ram-air duct system

#12
20230253128
2023-08-10

ENGINE COMPRISING A DEVICE FOR INDUCING NUCLEAR FUSION REACTIONS BY ACCELERATED IONS

#13
20230220814
2023-07-13

Jet engine for aircraft

#14
20230020803
2023-01-19

Engine with rotating detonation combustion system

#15
20230003135
2023-01-05

Multi-mode combined cycle propulsion engine

#16
20220412329
2022-12-29

ION JET ENGINE SYSTEM AND ASSOCIATED METHOD(S)

#17
20220111973
2022-04-14

Air direction arrangement for an aircraft with integrated heat exchanger

#18
20220090560
2022-03-24

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

#19
20210324817
2021-10-21

Supersonic turbofan engine

#20
20210164416
2021-06-03

Turbine engine structure with oxidizer enhanced mode

#21
20200386189
2020-12-10

High Speed Aircraft Flight Technologies

#22
20200369400
2020-11-26

Turbo engine with cooler for cooling inlet air and turbine for expanding cryogenic fuel

#23
20200284224
2020-09-10

HYPERSONIC SUPERCONDUCTING COMBUSTION RAM ACCELERATED MAGNETOHYDRODYNAMIC-DRIVE

#24
20200271075
2020-08-27

Hybrid propulsion cooling system

#25
20200271074
2020-08-27

Anti-unstart for combined cycle high mach vehicles

#26
20200240362
2020-07-30

COMBINED CYCLE FLIGHT PROPULSION SYSTEMS

#27
20200025150
2020-01-23

Ramjet propulsion method

#28
20200003160
2020-01-02

Nozzle wall for an air-breathing engine of a vehicle and method therefor

#29
20190338664
2019-11-07

Ram-jet and turbo-jet detonation engine

#30
20190293024
2019-09-26

HYDROGEN-FUELED SUPERSONIC TURBORAMJET ENGINE

#31
20190264920
2019-08-29

Engine with rotating detonation combustion system

#32
20190241285
2019-08-08

MULTI-STAGE, LIQUID HYDROGEN-BASED AEROSPACE SYSTEM

#33
20190234308
2019-08-01

High-mach vehicle cooling

#34
20190209997
2019-07-11

Fuel reformation for use in high speed propulsion systems

#35
20170190446
2017-07-06

Centripetal aerodynamic platform spacecraft

#36
20170184022
2017-06-29

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

#37
20160377029
2016-12-29

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

#38
20160076448
2016-03-17

Air inlet arrangement and method of making the same

#39
20160010485
2016-01-14

COMBINED CYCLE PROPULSION SYSTEM

#40
20150377060
2015-12-31

Airflow modulation system and method

#41
20150330331
2015-11-19

Ram air turbine driveshaft gear and bearing arrangement

#42
20150121840
2015-05-07

Aircraft nozzle system

#43
20150101333
2015-04-16

Rotational machine, such as a turbomachine, and engines and flying machines incorporating same

#44
20150007550
2015-01-08

Combined cycle integrated combustor and nozzle system

#45
20130305686
2013-11-21

Combined turbojet and ramjet engine

#46
20130177392
2013-07-11

Aircraft airflow modulation system and method

#47
20130062424
2013-03-14

Low shock strength propulsion system

#48
20130042922
2013-02-21

Air inlet arrangement and method of making the same

#49
20120167549
2012-07-05

Flade discharge in 2-D exhaust nozzle

#50
20120159925
2012-06-28

Turbine based combined cycle engine

#51
20110107738
2011-05-12

Combined cycle integrated combustor and nozzle system

#52
20110036067
2011-02-17

Airflow modulation for dual mode combined cycle propulsion systems

#53
20100251692
2010-10-07

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

#54
20100242437
2010-09-30

Fuel-cooled flexible heat exchanger with thermoelectric device compression

#55
20100181436
2010-07-22

Relating to air-breathing flight vehicles

#56
20100043389
2010-02-25

Low shock strength propulsion system

#57
20090107557
2009-04-30

Low shock strength inlet

#58
20090071120
2009-03-19

Combined cycle integrated combustor and nozzle system

#59
20090067983
2009-03-12

Centerline compression turbine engine

#60
20080283677
2008-11-20

Single-stage hypersonic vehicle featuring advanced swirl combustion

#61
20080128547
2008-06-05

Two-stage hypersonic vehicle featuring advanced swirl combustion

#62
20070119150
2007-05-31

Turbofan gas turbine engine with variable fan outlet guide vanes

#63
20070119149
2007-05-31

Hyperjet

#64
20070056290
2007-03-15

Rotary ramjet turbo-generator

#65
20070028594
2007-02-08

SCRAMjet arrangement for hypersonic aircraft

#66
20060107648
2006-05-25

Integrated air inlet system for multi-propulsion aircraft engines

#67
20060064961
2006-03-30

Methods and apparatus for assembling a gas turbine engine

#68
20060064960
2006-03-30

Methods and apparatus for assembling a gas turbine engine

#69
20050138914
2005-06-30

Turbo rocket with real carnot cycle

#70
20050081508
2005-04-21

Combined cycle engines incorporating swirl augmented combustion for reduced volume and weight and improved performance

#71
20050034464
2005-02-17

Jet aircraft electrical energy production system

#72
18904832
2026-02-24

Inlet bleed diversion through rotating detonation rocket engine

#73
18272600
2026-04-07

Jet-propelled engine using discharged exhaust gas

#74
16785056
2022-05-24

Dual flowpath exhaust for fuel cooling in a hypersonic propulsion system

#75
16785052
2022-05-24

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