ClassID:

140438

F02K9/58 - 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; Control Propellant feed valves

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

Rocket Motor and Components Thereof

#2
20260055747
2026-02-26

LIQUID FUELED EXTENDING EFFECTOR

#3
20260054861
2026-02-26

SYSTEM AND METHOD FOR ASYNCHRONOUS AUTOGENOUSLY PRESSURIZED IN-SPACE PROPULSION

#4
20260029126
2026-01-29

GAS TURBINE ENGINE INCLUDING FUEL INJECTOR

#5
20250382929
2025-12-18

INJECTOR FOR A ROCKET ENGINE

#6
20250382073
2025-12-18

INTEGRATED PROPULSION AND POWER GENERATION SYSTEM FOR SPACECRAFT AND CONTROL METHOD THEREOF

#7
20250297585
2025-09-25

LIQUID ROCKET ENGINE INJECTOR WITH VARIABLE FLOW AREA

#8
20250237183
2025-07-24

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

#9
20250137535
2025-05-01

VALVE FOR A ROCKET ENGINE

#10
20240426261
2024-12-26

A PUMPING APPARATUS

#11
20240318616
2024-09-26

LIQUID ROCKET ENGINE INJECTOR WITH VARIABLE FLOW AREA

#12
20240263599
2024-08-08

Multimode propulsion system

#13
20240218844
2024-07-04

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

#14
20230341088
2023-10-26

REFRIGERATION METHOD USING AN ARTIFICIAL NEURAL NETWORK

#15
20230304457
2023-09-28

Liquid rocket engine injector with variable flow area

#16
20230204004
2023-06-29

Integrated propulsion system for hybrid rockets

#17
20230160359
2023-05-25

Reaction control vortex thruster system

#18
20230037400
2023-02-09

THRUSTER ASSEMBLY

#19
20220389885
2022-12-08

Valve timing system for liquid fuel rockets

#20
20220355954
2022-11-10

Active on orbit fluid propellant management and refueling systems and methods

#21
20220204188
2022-06-30

PROPULSION SYSTEM FOR SATELLITES

#22
20220195964
2022-06-23

Electrically-actuated valve and regulator for electrospray thrusters

#23
20220112867
2022-04-14

Rocket motor and components thereof

#24
20210301766
2021-09-30

REGULATED FLOW DIVIDER VALVES

#25
20210190012
2021-06-24

Propulsion device for liquid propellant rocket engine

#26
20210116043
2021-04-22

Regulating valve with integrated purge function

#27
20200400103
2020-12-24

Reaction control vortex thruster system

#28
20200362796
2020-11-19

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

#29
20200326730
2020-10-15

Distributed fuel modules with hydraulic flow circuit breakers and gaseous flow circuit breakers

#30
20200271138
2020-08-27

Dual redundant two-stage valve

#31
20200108952
2020-04-09

Concurrent rocket engine pre-conditioning and tank loading

#32
20200062427
2020-02-27

Device and method for regulating a gas flow rate

#33
20200011275
2020-01-09

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

#34
20190331060
2019-10-31

Solenoid-controlled, liquid cryogenic-hydraulically actuated isolation valve assembly

#35
20190032605
2019-01-31

ELECTRIC POWER-ASSISTED LIQUID-PROPELLANT ROCKET PROPULSION SYSTEM

#36
20190003423
2019-01-03

DUAL-EXPANDER SHORT-LENGTH AEROSPIKE ENGINE

#37
20180372027
2018-12-27

PROJECTILE FUEL SYSTEM

#38
20180346157
2018-12-06

Heater apparatus and method for heating a component of a spacecraft, and spacecraft comprising a heater apparatus

#39
20180298846
2018-10-18

Liquid Propellant Chemical Rocket Engine Reactor Thermal Management System

#40
20180258883
2018-09-13

METHOD FOR CONTROLLING THE PRESSURE AND A MIXTURE RATIO OF A ROCKET ENGINE, AND CORRESPONDING DEVICE

#41
20180171933
2018-06-21

MICROPUMP-FED AUTOGENOUS PRESSURIZATION SYSTEM

#42
20180135560
2018-05-17

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

#43
20180135559
2018-05-17

Dual stage catalytic thruster

#44
20180135558
2018-05-17

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

#45
20180045319
2018-02-15

Valve assembly with electronic control

#46
20180038316
2018-02-08

LIQUID-FUELED ROCKET ENGINE ASSEMBLIES, AND RELATED METHODS OF USING LIQUID-FUELED ROCKET ENGINE ASSEMBLIES

#47
20170363044
2017-12-21

SMALL SATELLITE PROPULSION SYSTEM UTILIZING LIQUID PROPELLANT ULLAGE VAPOR

#48
20170342943
2017-11-30

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

#49
20170335798
2017-11-23

IGNITION METHOD FOR LIQUID PROPELLANT ENGINE

#50
20170335797
2017-11-23

Method for operating a rocket propulsion system and rocket propulsion system

#51
20170299081
2017-10-19

ACTUATOR CONTROLLER

#52
20170298735
2017-10-19

Aircraft engine rotor repaired with microstructural enhancement

#53
20170276093
2017-09-28

Jet system

#54
20170260929
2017-09-14

Device and locking of a fueling device

#55
20170145858
2017-05-25

Valve device and jet engine with a valve device

#56
20170107946
2017-04-20

ROCKET ENGINE WITH A VERSATILE IGNITION TORCH

#57
20170101963
2017-04-13

METHOD AND A CIRCUIT FOR REGULATING A ROCKET ENGINE

#58
20170089486
2017-03-30

Flow-control device with reduced weight

#59
20170082069
2017-03-23

Pulse detonation drive

#60
20170082068
2017-03-23

Rotating pulse detonation engine, power generation system including the same, and methods of making and using the same

#61
20160319772
2016-11-03

METHOD FOR CONTROLLING A PROPULSION SYSTEM

#62
20160312743
2016-10-27

Pneumatic circuit breaker based self resetting passive overspeed control valve for turbine pump assembly

#63
20160312742
2016-10-27

PASSIVE ELECTRICAL PROPORTIONAL TURBINE SPEED CONTROL SYSTEM

#64
20160290284
2016-10-06

A DEVICE FOR FEEDING A ROCKET ENGINE PROPULSION CHAMBER WITH PROPELLANT

#65
20160238141
2016-08-18

Method for designing a valve and method for producing a valve

#66
20160237952
2016-08-18

AUTOGENOUS PRESSURIZER DEVICE FOR A PROPELLANT TANK

#67
20160200457
2016-07-14

Small satellite propulsion system

#68
20150308384
2015-10-29

PROPULSION ASSEMBLY FOR ROCKET

#69
20150028234
2015-01-29

Device for opening or closing a seal set of a valve

#70
20140161618
2014-06-12

Metal joining and strengthening methods utilizing microstructural enhancement

#71
20130175968
2013-07-11

Multistage control method of flow control valve using DC motor

#72
20120317956
2012-12-20

Constant volume combustion chamber

#73
20120132297
2012-05-31

Pnumatically actuated bi-propellant valve (PABV) system for a throttling vortex engine

#74
20120067023
2012-03-22

Rocket engine and method for controlling combustion in the rocket engine itself

#75
20110277446
2011-11-17

Rockets, methods of rocket control and methods of rocket evaluation utilizing pressure compensation

#76
20110219743
2011-09-15

Injector assembly for a rocket engine

#77
20100170222
2010-07-08

Mechanical signal processing accumulator attenuation device and method

#78
20100121552
2010-05-13

Device for adjusting an operating variable of an engine

#79
20100038565
2010-02-18

Propellant gas control valve

#80
20100024386
2010-02-04

Gas-generator augmented expander cycle rocket engine

#81
20100006677
2010-01-14

Device for injecting mono-propellant at a flow rate that can be modulated with an injection speed that is stable

#82
20100005807
2010-01-14

Liquid propellant rocket engine with a propulsion chamber shutter

#83
20100005779
2010-01-14

Device for injecting a mono-propellant with a large amount of flow rate modulation

#84
20090235639
2009-09-24

Rocket nozzle and control method for combustion gas flow in rocket engine

#85
20090211228
2009-08-27

HIGH PERFORMANCE LIQUID FUEL COMBUSTION GAS GENERATOR

#86
20090120060
2009-05-14

Catalytically activated transient decomposition propulsion system

#87
20090013663
2009-01-15

METHANE ENGINE FOR ROCKET PROPULSION

#88
20080236140
2008-10-02

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

#89
20080098711
2008-05-01

Constant volume rocket motor

#90
20080000538
2008-01-03

Multi-channel, multi-phase flow metering valve

#91
20070012370
2007-01-18

Facetted high temperature thruster design

#92
20060278284
2006-12-14

Reduced gain thrust control valve

#93
18774773
2025-05-27

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

#94
18501983
2024-08-20

System and method for asynchronous autogenously pressurized in-space propulsion

#95
18133134
2024-05-14

Integrated vehicle fluids

#96
18133124
2024-04-30

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

#97
18133111
2024-07-16

Integrated vehicle fluids

#98
17683014
2023-12-19

Integrated vehicle fluids

#99
17647498
2023-03-07

Propellant volume and mixture ratio control

#100
17588088
2024-02-13

Heating system for a spacecraft

#101
17453580
2023-05-09

Liquid rocket engine injector with variable flow area

#102
16871144
2022-11-15

On orbit fluid propellant dispensing systems and methods

#103
16111623
2022-03-01

Integrated vehicle fluids

#104
15795675
2020-07-21

Integrated vehicle fluids