ClassID:

140429

F02K9/44 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20260078719
2026-03-19

Rocket Motor and Components Thereof

#2
20260054861
2026-02-26

SYSTEM AND METHOD FOR ASYNCHRONOUS AUTOGENOUSLY PRESSURIZED IN-SPACE PROPULSION

#3
20250237183
2025-07-24

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

#4
20250230783
2025-07-17

Turbomolecular Air-Scoop for Satellite Air-Breathing Electric Propulsion

#5
20250198367
2025-06-19

LIQUID PROPELLANT GASIFIER AND PRESSURIZER

#6
20250066045
2025-02-27

NUCLEAR THERMAL PROPULSION SYSTEM WITH REACTOR DIRECT DRIVE OF CRYOCOOLER TURBINE

#7
20250052211
2025-02-13

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

#8
20240369028
2024-11-07

Single stage to orbit rocket engine

#9
20240278938
2024-08-22

Nuclear thermal propulsion system with reactor direct drive of cryocooler turbine

#10
20240263599
2024-08-08

Multimode propulsion system

#11
20240218844
2024-07-04

ANNULAR VORTEX TANK VALVE FOR ROCKET MOTOR AND CONFIGURATION IN A ROCKET

#12
20230415926
2023-12-28

Nuclear thermal propulsion system with reactor direct drive of cryocooler turbine

#13
20230415922
2023-12-28

Vapor propellant management system

#14
20230407820
2023-12-21

Combustor including heat exchange structure and rocket comprising same

#15
20230341088
2023-10-26

REFRIGERATION METHOD USING AN ARTIFICIAL NEURAL NETWORK

#16
20230332561
2023-10-19

Cryogenic engine for space apparatus

#17
20230265815
2023-08-24

Turbo Pump Device for Rocket Engines

#18
20230160359
2023-05-25

Reaction control vortex thruster system

#19
20230131644
2023-04-27

Turbomolecular air-scoop for satellite air-breathing electric propulsion

#20
20230130545
2023-04-27

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

#21
20230003178
2023-01-05

Combustor of liquid rocket engine

#22
20220381201
2022-12-01

Hybrid propulsion unit for space vehicle

#23
20220355954
2022-11-10

Active on orbit fluid propellant management and refueling systems and methods

#24
20220268239
2022-08-25

Liquid rocket engine tap-off power source

#25
20220112867
2022-04-14

Rocket motor and components thereof

#26
20220056871
2022-02-24

Power device based on alkali-water reaction

#27
20220003188
2022-01-06

Hybrid rocket engine using electric motor-driven oxidizer pump

#28
20210404419
2021-12-30

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

#29
20210380283
2021-12-09

Onboard structure convertible into a propellant for electric propulsion

#30
20210270210
2021-09-02

Engine producing thrust using an induction heating assembly to energize the fuel

#31
20210115879
2021-04-22

SPACE PROPULSION SYSTEM

#32
20210115878
2021-04-22

Pogo effect correction system

#33
20200400103
2020-12-24

Reaction control vortex thruster system

#34
20200386190
2020-12-10

Supply system for supplying a rocket engine

#35
20200309067
2020-10-01

Method and apparatus for providing external fuel to a rocket

#36
20200095956
2020-03-26

Thrust chamber device and method for operating a thrust chamber device

#37
20200041050
2020-02-06

Internal spoke gimbal joint

#38
20200039659
2020-02-06

Container for Receiving, Storing and Dispensing Liquids and/or Viscous Substances, in Particular Fuel, Propellant or Drinking Water, Method for Producing Same and Use Thereof

#39
20200011275
2020-01-09

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

#40
20190032606
2019-01-31

Injection element having an ignition device

#41
20180355823
2018-12-13

FLEX JOINT HAVING LINER WITH ARTICULATED JOINT

#42
20180320634
2018-11-08

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

#43
20180170582
2018-06-21

SYSTEM FOR SUPPLYING AN IGNITER WITH PROPELLANT

#44
20180135560
2018-05-17

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

#45
20180135558
2018-05-17

System and method for increasing the efficiency of heating a cryogenic fluid flowing through a conduit

#46
20180073465
2018-03-15

Propellant injector allowing propellant to be discharged while ensuring uniform injection

#47
20170335800
2017-11-23

Rocket propulsion system and method for operating a rocket propulsion system

#48
20170335799
2017-11-23

Rocket propulsion system and method for operating a rocket propulsion system

#49
20170276093
2017-09-28

Jet system

#50
20170254296
2017-09-07

Rocket engine bipropellant supply system including an electrolyzer

#51
20170226965
2017-08-10

Method for suppressing the pogo effect

#52
20170184054
2017-06-29

Method for creating engine thrust

#53
20170114753
2017-04-27

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

#54
20170082069
2017-03-23

Pulse detonation drive

#55
20160238505
2016-08-18

Propellant gauging at microgravity within the pressure-temperature-density inflection zone of xenon

#56
20160222918
2016-08-04

DEVICE FOR SELF-PRESSURIZATION OF A TANK

#57
20160169159
2016-06-16

Device for pressurizing a propellant tank of a rocket engine

#58
20160153400
2016-06-02

Gas generator

#59
20160138524
2016-05-19

Monopropellant driven hydraulic pressure supply

#60
20150308384
2015-10-29

PROPULSION ASSEMBLY FOR ROCKET

#61
20150275823
2015-10-01

Propulsion system and launch vehicle

#62
20150233324
2015-08-20

TWO-MODE IGNITOR AND A TWO-MODE METHOD OF INJECTION FOR IGNITING A ROCKET ENGINE

#63
20150152812
2015-06-04

Vapor jetting device and spacecraft

#64
20150101308
2015-04-16

Engine comprising a rocket combustion chamber and a heat exchanger

#65
20150060604
2015-03-05

Integrated vehicle fluids

#66
20150040536
2015-02-12

Externally powered hybrid propulsion system

#67
20140290212
2014-10-02

Reactants sprayed into plasma flow for rocket propulsion

#68
20140283499
2014-09-25

DEVICE AND A METHOD FOR FEEDING A ROCKET ENGINE PROPULSION CHAMBER

#69
20130318943
2013-12-05

Rocket motor combustion chamber injection head

#70
20130048097
2013-02-28

THERMAL PHASE SEPARATION

#71
20120227374
2012-09-13

Integrated vehicle fluids

#72
20100037590
2010-02-18

Low velocity injector manifold for hypergolic rocket engine

#73
20090320608
2009-12-31

Tapered, frequency-tuned rotor for turbine flow meter

#74
20090299553
2009-12-03

Satellite Control

#75
20090266049
2009-10-29

Rocket motor having a catalytic hydroxylammonium (HAN) decomposer and method for combusting the decomposed HAN-based propellant

#76
20090165437
2009-07-02

Drive device on the basis of a gel-type propellant and method for conveying propellant

#77
20080142639
2008-06-19

Method for detecting complete draining of a propellant tank and for propellant management on board a satellite

#78
20050205717
2005-09-22

Method of operating a satellite for end-of-life maneuvers

#79
18774773
2025-05-27

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

#80
18501983
2024-08-20

System and method for asynchronous autogenously pressurized in-space propulsion

#81
18457301
2024-05-07

Afterburning turbine exhaust cycle (ABTEC)

#82
18457283
2024-05-07

Dual mode rocket engine with bipropellant injection in the nozzle

#83
18195179
2024-10-01

Vapor retention device

#84
18133134
2024-05-14

Integrated vehicle fluids

#85
18133124
2024-04-30

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

#86
18133111
2024-07-16

Integrated vehicle fluids

#87
17683014
2023-12-19

Integrated vehicle fluids

#88
17404666
2023-06-20

Vapor retention device

#89
17324000
2022-07-12

Liquid rocket engine tap-off power source

#90
16871144
2022-11-15

On orbit fluid propellant dispensing systems and methods

#91
16733518
2022-05-31

Chemical and cold gas propellant systems and methods

#92
16111623
2022-03-01

Integrated vehicle fluids

#93
15795724
2020-07-21

Integrated vehicle fluids

#94
14192395
2015-11-24

Propellant feed system for swirl-coaxial injection

#95
13658758
2016-05-10

Propellant gauging at microgravity within the pressure—temperature—density inflection zone of xenon