ClassID:

140427

F02K9/42 - CPC Classification

Classification description:

Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using liquid or gaseous propellants

Sub-classes:
Recent Application in this class:
#1
20260117726
2026-04-30

RADIAL IN-FLOW PARTICLE BED NUCLEAR ROCKET ENGINE AND METHOD

#2
20260078719
2026-03-19

Rocket Motor and Components Thereof

#3
20260054861
2026-02-26

SYSTEM AND METHOD FOR ASYNCHRONOUS AUTOGENOUSLY PRESSURIZED IN-SPACE PROPULSION

#4
20250297586
2025-09-25

REUSABLE UPPER STAGE ROCKET WITH AEROSPIKE ENGINE

#5
20250297585
2025-09-25

LIQUID ROCKET ENGINE INJECTOR WITH VARIABLE FLOW AREA

#6
20250290470
2025-09-18

ROCKET INJECTOR SUBSCALE STABILITY ASSESSMENT WITH TELESCOPING THROAT OR MOVEABLE INJECTOR PLATE

#7
20250290469
2025-09-18

ROCKET INJECTOR SUBSCALE STABILITY ASSESSMENT WITH TELESCOPING PISTON

#8
20250237183
2025-07-24

WARM GAS THRUSTER SYSTEM WITH CONTROL VALVE THAT HAS A SOFT SEAL

#9
20250066045
2025-02-27

NUCLEAR THERMAL PROPULSION SYSTEM WITH REACTOR DIRECT DRIVE OF CRYOCOOLER TURBINE

#10
20250052211
2025-02-13

OMNIVOROUS SOLAR THERMAL THRUSTER, COOLING SYSTEMS, AND THERMAL ENERGY TRANSFER IN ROCKETS

#11
20250020090
2025-01-16

REUSABLE UPPER STAGE ROCKET WITH AEROSPIKE ENGINE

#12
20240369028
2024-11-07

Single stage to orbit rocket engine

#13
20240318616
2024-09-26

LIQUID ROCKET ENGINE INJECTOR WITH VARIABLE FLOW AREA

#14
20240278938
2024-08-22

Nuclear thermal propulsion system with reactor direct drive of cryocooler turbine

#15
20240263599
2024-08-08

Multimode propulsion system

#16
20240229746
2024-07-11

Propulsion system for a vehicle using heat energy absorbed in an active cooling system

#17
20240229745
2024-07-11

Duplex Turbine Guide Vane Assembly

#18
20240229744
2024-07-11

High Speed Aircraft Propelled by Thorium or Uranium Fueled Molten Salt Reactor

#19
20240218846
2024-07-04

ROCKET INJECTOR SUBSCALE STABILITY ASSESSMENT WITH TELESCOPING THROAT OR MOVEABLE INJECTOR PLATE

#20
20240218845
2024-07-04

ROCKET INJECTOR SUBSCALE STABILITY ASSESSMENT WITH TELESCOPING PISTON

#21
20240199197
2024-06-20

Propulsion system with synergistic pusher type propeller

#22
20240133352
2024-04-25

Duplex Turbine Guide Vane Assembly

#23
20240125287
2024-04-18

MONOPROPELLANT CONTINUOUS DETONATION ENGINES

#24
20240018067
2024-01-18

STABILIZED PEROXIDE ROTATING DETONATION ROCKET ENGINE

#25
20230415926
2023-12-28

Nuclear thermal propulsion system with reactor direct drive of cryocooler turbine

#26
20230399997
2023-12-14

Rocket propulsion systems and associated methods

#27
20230392567
2023-12-07

Liquid level equalization for propellant tanks

#28
20230383711
2023-11-30

Oblique detonation rocket engine

#29
20230304457
2023-09-28

Liquid rocket engine injector with variable flow area

#30
20230265816
2023-08-24

Vortex hybrid rocket motor

#31
20230258148
2023-08-17

Liquid hydrogen-liquid oxygen fueled powerplant

#32
20230211900
2023-07-06

Reusable upper stage rocket with aerospike engine

#33
20230175461
2023-06-08

Detonation rocket engine comprising an aerospike nozzle and centring elements with cooling channels

#34
20230160359
2023-05-25

Reaction control vortex thruster system

#35
20230130545
2023-04-27

Omnivorous solar thermal thruster, cooling systems, and thermal energy transfer in rockets

#36
20230003135
2023-01-05

Multi-mode combined cycle propulsion engine

#37
20220355954
2022-11-10

Active on orbit fluid propellant management and refueling systems and methods

#38
20220341375
2022-10-27

Failure diagnostic system for spacecraft liquid propulsion system and failure diagnostic method for spacecraft liquid propulsion system

#39
20220324590
2022-10-13

ThermaSat Solar Thermal Propulsion System

#40
20220268239
2022-08-25

Liquid rocket engine tap-off power source

#41
20220112867
2022-04-14

Rocket motor and components thereof

#42
20220056871
2022-02-24

Power device based on alkali-water reaction

#43
20220041303
2022-02-10

THRUST WITH THE MINIMUM EJECTION OF PROPELLANT

#44
20210404419
2021-12-30

Omnivorous solar thermal thruster, cooling systems, and thermal energy transfer in rockets

#45
20210380283
2021-12-09

Onboard structure convertible into a propellant for electric propulsion

#46
20210363939
2021-11-25

Rocket propulsion systems and associated methods

#47
20210239075
2021-08-05

DYNAMIC ROCKET NOZZLE

#48
20210115879
2021-04-22

SPACE PROPULSION SYSTEM

#49
20200400103
2020-12-24

Reaction control vortex thruster system

#50
20200362796
2020-11-19

Multi-redundancy electromechanical servo system for regulating liquid rocket engine and implementation method therefor

#51
20200309067
2020-10-01

Method and apparatus for providing external fuel to a rocket

#52
20200116106
2020-04-16

Vortex hybrid rocket motor

#53
20200095956
2020-03-26

Thrust chamber device and method for operating a thrust chamber device

#54
20200011275
2020-01-09

Methane/oxygen rocket engine with specific impulse enhancement by hot helium infusion

#55
20190093603
2019-03-28

Aerospace turbofan engines

#56
20190032606
2019-01-31

Injection element having an ignition device

#57
20180320634
2018-11-08

Injection device, combustor, and rocket engine with restrictors shaped to amplify predetermined pressure oscillation

#58
20180238271
2018-08-23

Rocket engine systems with an independently regulated cooling system

#59
20180216533
2018-08-02

CRYOGENIC FUEL COMBUSTION ENGINES

#60
20180135560
2018-05-17

Flow control system for a rocket engine with parallel fuel passage network

#61
20180106219
2018-04-19

PROPULSION SYSTEM

#62
20180073465
2018-03-15

Propellant injector allowing propellant to be discharged while ensuring uniform injection

#63
20170342943
2017-11-30

Methods, systems and apparatuses for combustible lead for high triple point propellants

#64
20170254296
2017-09-07

Rocket engine bipropellant supply system including an electrolyzer

#65
20170184054
2017-06-29

Method for creating engine thrust

#66
20170183273
2017-06-29

High volumetric energy density rocket propellant

#67
20170114753
2017-04-27

Method of regulating the pressure within a first rocket engine propellant tank

#68
20160377201
2016-12-29

Method for fixing a tube to a connector, and connecting kit

#69
20160333694
2016-11-17

MANUFACTURE OF METAL CORE BY USING RAPID PROTOTYPING METHOD AND METHOD FOR MANUFACTURING PRECISION PARTS THROUGH HOT ISOSTATIC PRESSING USING SAME, AND TURBINE BLISK FOR DRIVING LIQUID ROCKET TURBO PUMP USING SAME

#70
20160208742
2016-07-21

DiscThruster, pressure thrust based aircraft engine

#71
20160200457
2016-07-14

Small satellite propulsion system

#72
20160160801
2016-06-09

Premixed liquid propellant propulsion system and method with anti-flashback quenching liquid injector

#73
20150322891
2015-11-12

Jet turbine utilizing a cryogenic fuel

#74
20150285506
2015-10-08

Standing detonation wave engine

#75
20150275823
2015-10-01

Propulsion system and launch vehicle

#76
20150211445
2015-07-30

MISSILE HAVING A TURBINE-COMPRESSING MEANS-UNIT

#77
20150121843
2015-05-07

Reactor for ammonium dinitramide-based liquid mono-propellants, and thruster including the reactor

#78
20150107219
2015-04-23

Chemical-electromagnetic hybrid propeller with variable specific impulse

#79
20140305098
2014-10-16

Hybrid-cycle liquid propellant rocket engine

#80
20140290212
2014-10-02

Reactants sprayed into plasma flow for rocket propulsion

#81
20140202132
2014-07-24

High performance liquid rocket propellant

#82
20140026535
2014-01-30

High specific impulse superfluid and nanotube propulsion device, system and propulsion method

#83
20130318943
2013-12-05

Rocket motor combustion chamber injection head

#84
20130263573
2013-10-10

Rocket stage having engine thrust frame integrated with tank

#85
20130259186
2013-10-03

Nuclear energy, metal fuel, H/ O from HO, with MHD power and propulsion for one month astronaut rocket voyages to Mars

#86
20130253237
2013-09-26

High performance liquid rocket propellant

#87
20130239544
2013-09-19

Distributed pressurization system

#88
20130232950
2013-09-12

Rocket engine coolant system including an exit manifold having at least one flow guide within the manifold

#89
20130219901
2013-08-29

Combustion chamber provided with a tubular element

#90
20130186059
2013-07-25

DUAL FUEL AIRCRAFT SYSTEM AND METHOD FOR OPERATING SAME

#91
20130042594
2013-02-21

Terrestrial power and propulsion from nuclear or renewable metal fuels with magnetohydrodynamics

#92
20120269633
2012-10-25

Closed gas generator and micro power unit including the same

#93
20120247082
2012-10-04

Clean up - rocket

#94
20120234196
2012-09-20

Viscous liquid monopropellant

#95
20120210695
2012-08-23

Belted toroid pressure vessel and method for making the same

#96
20120090292
2012-04-19

Combustion chamber comprising a condensation-proof barrier on a regenerative circuit

#97
20120047872
2012-03-01

Hydrogen gas generator for jet engines

#98
20110214410
2011-09-08

Propellant tank and vapor jet emitting device including same

#99
20110214408
2011-09-08

Liquid propellant tank and vapor jet emitting device including same

#100
20110146286
2011-06-23

Self-starting turbineless jet engine

#101
20100300067
2010-12-02

COMPONENT CONFIGURED FOR BEING SUBJECTED TO HIGH THERMAL LOAD DURING OPERATION

#102
20100043392
2010-02-25

Mixture ratio stabilizer for liquid propellant rocket engine

#103
20100024386
2010-02-04

Gas-generator augmented expander cycle rocket engine

#104
20090223203
2009-09-10

Liquid-fuel storage vessel and vapor jet system using the same

#105
20090211228
2009-08-27

HIGH PERFORMANCE LIQUID FUEL COMBUSTION GAS GENERATOR

#106
20090013663
2009-01-15

METHANE ENGINE FOR ROCKET PROPULSION

#107
20090007541
2009-01-08

THRUSTER USING NITROUS OXIDE

#108
20090000269
2009-01-01

Water rocket engine with a two-phase nozzle

#109
20080272239
2008-11-06

Reversible space plane

#110
20080264372
2008-10-30

Two-stage ignition system

#111
20080236140
2008-10-02

Noncircular transient fluid fuel injector control channels in propellant injector combustion systems

#112
20080134663
2008-06-12

Heat Transfer Thruster

#113
20070163228
2007-07-19

Gas augmented rocket engine

#114
20070074501
2007-04-05

Thruster with electro-thermal thrust augmentation

#115
20070068138
2007-03-29

Rocket vehicle and engine

#116
20060107665
2006-05-25

Methods and systems for operating oxidizer systems

#117
20060032230
2006-02-16

Rocket augmentation for combined cycle turboaccelerator jet engine

#118
20060006289
2006-01-12

Reversible space plane

#119
20050210862
2005-09-29

Quantum jet turbine propulsion system

#120
20050115220
2005-06-02

Hydraulic rocket

#121
20050097883
2005-05-12

Ablative baffle for a liquid rocket engine thrust chamber

#122
18774773
2025-05-27

Integrated vehicle fluids with hot gas line and cold gas line merging to increase enthalpy

#123
18501983
2024-08-20

System and method for asynchronous autogenously pressurized in-space propulsion

#124
18233765
2025-02-25

Radial in-flow particle bed nuclear rocket engine and method

#125
18195179
2024-10-01

Vapor retention device

#126
18133134
2024-05-14

Integrated vehicle fluids

#127
18133124
2024-04-30

Integrated vehicle fluids for upper stage launch vehicle with internal combustion engine

#128
18133111
2024-07-16

Integrated vehicle fluids

#129
17683014
2023-12-19

Integrated vehicle fluids

#130
17588088
2024-02-13

Heating system for a spacecraft

#131
17453580
2023-05-09

Liquid rocket engine injector with variable flow area

#132
17404666
2023-06-20

Vapor retention device

#133
17324000
2022-07-12

Liquid rocket engine tap-off power source

#134
16831025
2023-04-18

Liquid monopropellant controlled solid rocket motor with aft end injection deflector

#135
16256206
2022-05-17

Liquid rocket engine cross impinged propellant injection

#136
16238329
2019-09-17

Nuclear rocket engine with pebble fuel source

#137
16238316
2019-09-17

Fuel retention reactor for nuclear rocket engine

#138
16111623
2022-03-01

Integrated vehicle fluids

#139
15915108
2020-08-04

Monopropellant cascade rocket engine