ClassID:

72939

B64G1/409 - CPC Classification

Classification description:

Cosmonautic vehicles; Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles; Arrangements or adaptations of propulsion systems Unconventional spacecraft propulsion systems

Recent Application in this class:
#1
20260117754
2026-04-30

SYSTEM FOR THE GENERATION OF GRAVITATIONAL WAVES

#2
20260109486
2026-04-23

Apparatus and Method for Generating Propulsion Forces

#3
20260042551
2026-02-12

LAUNCH VEHICLE AND METHOD FOR OPERATING A LAUNCH VEHICLE

#4
20250229915
2025-07-17

VEHICLE FOR OBTAINING LINEAR MOMENTUM WITHOUT THROWING THE MASS FROM THE VEHICLE IN THE SPACE

#5
20250178753
2025-06-05

RADIOISOTOPE POWER SYSTEM FOR VEHICLE

#6
20250171166
2025-05-29

IMPULSE PROPULSION SYSTEM

#7
20250091733
2025-03-20

THRUSTER FOR MICRO-SATELLITE AND MANUFACTURING METHOD THEREOF

#8
20250052211
2025-02-13

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

#9
20250002179
2025-01-02

Alternating Angular Momentum Drive-2 (AAMD)

#10
20240375795
2024-11-14

ELECTROMAGNETIC PROPULSION DEVICE FOR GENERATING UNIDIRECTIONAL FORCE AND METHOD THEREOF

#11
20240318820
2024-09-26

ELECTRIC PROPULSION SYSTEM INCLUDING HEATERLESS DISPENSER CATHODE

#12
20240262537
2024-08-08

Rotational Energy Based Propulsion System

#13
20240246700
2024-07-25

Magnetic Flux Engine for Spacecraft Propulsion

#14
20240228065
2024-07-11

Magnetic Flux Engine for Spacecraft Propulsion

#15
20240190589
2024-06-13

Magnetic Flux Engine for Spacecraft Propulsion

#16
20240182188
2024-06-06

Magnetic Flux Engine for Spacecraft Propulsion

#17
20240174385
2024-05-30

THERMASAT INSULATION BASED ISOLATION METHOD

#18
20240167418
2024-05-23

Electrically powered supersonic and hypersonic propulsor

#19
20240158105
2024-05-16

VEHICLE AND METHOD FOR PROPELLING VEHICLE

#20
20240140620
2024-05-02

VEHICLE WITH A PROPULSION SYSTEM ENCLOSED IN A SEALED CONTAINER

#21
20240124163
2024-04-18

MAGNETIC MULTI-POLE PROPULSION ARRAY SYSTEM

#22
20240116656
2024-04-11

REACTIONLESS STEERABLE PROPULSION VEHICLE - MESH DRIVE

#23
20240076063
2024-03-07

Circular mass accelerator for off-world applications

#24
20240010362
2024-01-11

Solar space ship yacht

#25
20230322418
2023-10-12

PLANAR ELECTRIC MOTOR FOR AEROSPACE USE

#26
20230253896
2023-08-10

Method and apparatus that uses pulsed, counter-rotating plasmas to extract useful energy from the zero-point field and/or to modify or nullify the forces of gravity and inertia, or the properties of mass

#27
20230202685
2023-06-29

VEHICLE WITH A PROPULSION SYSTEM ENCLOSED IN A SEALED CONTAINER

#28
20230159188
2023-05-25

System and method for producing electromagnetic thrust

#29
20230148291
2023-05-11

PROPELLANTLESS PROPULSION SYSTEM AND METHOD

#30
20230130545
2023-04-27

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

#31
20230121805
2023-04-20

SYSTEM AND METHOD FOR GENERATING FORCES USING ASYMMETRICAL ELECTROSTATIC PRESSURE

#32
20230070933
2023-03-09

Tunable water-based microthruster devices and methods

#33
20230068871
2023-03-02

Spacecraft Propulsion Devices and Systems with Microwave Excitation

#34
20230055815
2023-02-23

INTERPLANETARY TRANSPORTATION SYSTEM

#35
20220411110
2022-12-29

ThermaSat Solar Thermal Propulsion System

#36
20220371752
2022-11-24

Electromagnetic spacetime continuum propulsion system for space travel

#37
20220329140
2022-10-13

Magnetic field propulsion drive

#38
20220324590
2022-10-13

ThermaSat Solar Thermal Propulsion System

#39
20220289404
2022-09-15

ORBITAL MECHANICS OF IMPULSIVE LAUNCH

#40
20220281621
2022-09-08

VEHICLE AND METHOD FOR PROPELLING VEHICLE

#41
20220235748
2022-07-28

Electromagnetic Energy Momentum Thruster Using Tapered Cavity Resonator Evanescent Modes

#42
20220219840
2022-07-14

System and method of generating a momentum change in a vehicle by phase changing matter in a closed system

#43
20220165533
2022-05-26

Electric propulsion system including heaterless dispenser cathode

#44
20220144457
2022-05-12

ASTRONAUTIC ROTATING MASS SYSTEM

#45
20220135257
2022-05-05

Method of flying on the moon and a device for flying on the moon

#46
20220097874
2022-03-31

ThermaSat Solar Thermal Propulsion System

#47
20220056896
2022-02-24

Propulsion method based on liquid carbon dioxide phase change and propulsion device thereof

#48
20220041303
2022-02-10

THRUST WITH THE MINIMUM EJECTION OF PROPELLANT

#49
20220037971
2022-02-03

Magnetodynamic propulsion system and method

#50
20220017240
2022-01-20

EFFICIENCY IMPROVEMENTS FOR A MAGNETIC FIELD PROPULSION DRIVE

#51
20220009653
2022-01-13

CONTINUOUS MAGNETIC PULSE THRUSTER

#52
20210404419
2021-12-30

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

#53
20210380283
2021-12-09

Onboard structure convertible into a propellant for electric propulsion

#54
20210376774
2021-12-02

Device for converting electromagnetic momentum to mechanical momentum

#55
20210347503
2021-11-11

Levitation and Propulsion Unit two (LPU-2)

#56
20210309394
2021-10-07

Anti-gravity drive

#57
20210292012
2021-09-23

SYSTEMS AND METHODS OF GALACTIC TRANSPORTATION

#58
20210276737
2021-09-09

Rotary Propulsion Engine System

#59
20210183624
2021-06-17

Spacecraft propulsion devices and systems with microwave excitation

#60
20210171223
2021-06-10

Propulsion Systems Utilizing Gas Generated Via An Exothermically Decomposable Chemical Blowing Agent, and Spacecraft Incorporating Same

#61
20210159005
2021-05-27

Pulsed e-field propulsion system

#62
20210115907
2021-04-22

Asymmetrical impulse drive

#63
20210074461
2021-03-11

Impulse difference engine

#64
20210070479
2021-03-11

Space force engine

#65
20210009287
2021-01-14

Magnetic Flux Engine for Spacecraft Propulsion

#66
20200389079
2020-12-10

Magnetic field propulsion drive

#67
20200347830
2020-11-05

Angular momentum engine

#68
20200294772
2020-09-17

Spacecraft propulsion devices and systems with microwave excitation

#69
20200269998
2020-08-27

ROTATING MASS PROPULSION SYSTEM METHOD AND APPARATUS

#70
20200198810
2020-06-25

Optimized power balanced variable thrust transfer orbits to minimize an electric orbit raising duration

#71
20200144887
2020-05-07

Rotating energy storage apparatus and method of imparting rotational motion of a vessel containing the same

#72
20200130870
2020-04-30

Alcubierre - White Warp Drive Machine

#73
20200071004
2020-03-05

Electrodynamic assembly for propelling a spacecraft in orbit around a star having a magnetic field

#74
20200063721
2020-02-27

ELECTROMAGNETIC ENERGY MOMENTUM THRUSTER USING TAPERED CAVITY RESONATOR EVANESCENT MODES

#75
20200039666
2020-02-06

Ultra-high-frequency electromagnetic motor

#76
20200025180
2020-01-23

DEVICE PROVIDING NON-INERTIAL PROPULSION WHILE CONSERVING PROPELLANT MASS AND METHOD THEREFOR

#77
20200024006
2020-01-23

SYSTEM FOR SPACE PROPULSION AND SPACE LOITERING (ABOVE-STRATOSPHERE AIR LOITERING)

#78
20190352021
2019-11-21

Orbital mechanics of impulsive launch

#79
20190210744
2019-07-11

Pointing mechanism

#80
20190199245
2019-06-27

Complex electric fields and static electric fields to effect motion with conduction currents and magnetic materials

#81
20190199244
2019-06-27

COMPLEX ELECTRIC FIELDS AND STATIC ELECTRIC FIELDS TO EFFECT MOTION WITH CONDUCTION CURRENTS AND MAGNETIC MATERIALS

#82
20190168897
2019-06-06

Segmented current magnetic field propulsion system

#83
20190135458
2019-05-09

Space based magnetic vortex accelerator and methods of use thereof

#84
20190084695
2019-03-21

Magneto-Electric Propulsion System

#85
20180362191
2018-12-20

Systems and techniques for launching a payload

#86
20180354657
2018-12-13

Solar array deployment

#87
20180347550
2018-12-06

DEVICE PROVIDING NON-INERTIAL PROPULSION WHILE CONSERVING PROPELLANT MASS AND METHOD THEREFOR

#88
20180327118
2018-11-15

Microwave electrothermal thruster adapted for in-space electrothermal propulsion

#89
20180290770
2018-10-11

Rotary Propulsion Engine System

#90
20180281993
2018-10-04

Propulsion and gas-moving systems using travelling-wave gas dielectrophoresis

#91
20180229864
2018-08-16

High frequency gravitational wave generator

#92
20180202392
2018-07-19

Optical heat exchanger and associated method

#93
20180195499
2018-07-12

Electromagnetic energy beam angular momentum engine: self-propulsion of energy beam source via application of conservation of angular momentum

#94
20180162559
2018-06-14

Launch vehicle and system and method for economically efficient launch thereof

#95
20180105292
2018-04-19

Interplanetary spacecraft using fusion-powered constant-acceleration thrust

#96
20180009551
2018-01-11

IMPULSE MOMENTUM PROPULSION APPARATUS AND METHOD

#97
20170366108
2017-12-21

Complex electric fields and static electric fields to effect motion with conduction currents and magnetic materials

#98
20170341780
2017-11-30

Negative frame dragging propulsion system

#99
20170320601
2017-11-09

Method of space travel using a high acceleration thrust vehicle in combination with a plurality of low acceleration thrust vehicles

#100
20170313446
2017-11-02

Craft using an inertial mass reduction device

#101
20170297747
2017-10-19

Methods and apparatus for performing propulsion operations using electric propulsion systems

#102
20170158359
2017-06-08

ELECTROMAGNETIC THRUSTING SYSTEM

#103
20170158356
2017-06-08

Launch vehicle and system and method for economically efficient launch thereof

#104
20170152063
2017-06-01

Internal air pressure imbalance (IAPI) engine

#105
20170149362
2017-05-25

Complex electric fields and static electric fields to effect motion with conduction currents

#106
20170137153
2017-05-18

Use of laser light to propel an object

#107
20170082124
2017-03-23

Directed Energy Deposition to Facilitate High Speed Applications

#108
20170050752
2017-02-23

Centrifugal force amplification method and system for generating vehicle lift

#109
20160376033
2016-12-29

Efficient stationkeeping design for mixed fuel systems

#110
20160368623
2016-12-22

Launch vehicle and system and method for economically efficient launch thereof

#111
20160362198
2016-12-15

Method and system for in-space propulsion based on the principles of inverted sling and separation of propulsion energy from reaction mass

#112
20160218644
2016-07-28

Interacting complex electric fields and static electric fields to effect motion

#113
20160090197
2016-03-31

Methods of accelerating a target vehicle to a higher orbit via a kinetic energy storage and transfer (KEST) space vehicle

#114
20160046394
2016-02-18

Methods and apparatus for performing propulsion operations using electric propulsion systems

#115
20150314868
2015-11-05

A DEVICE FOR THE GENERATION OF LIFT

#116
20150217848
2015-08-06

Airship powered aerospace vehicle

#117
20150210406
2015-07-30

Fuel-free spacecraft propelling system based on spatial atomic oxygen and propelling method

#118
20150184643
2015-07-02

Uses of hydrocarbon nanorings

#119
20150040536
2015-02-12

Externally powered hybrid propulsion system

#120
20150022031
2015-01-22

Electromagnetic propulsion system

#121
20140306065
2014-10-16

Launch vehicle and system and method for economically efficient launch thereof

#122
20140306064
2014-10-16

Launch vehicle and system and method for economically efficient launch thereof

#123
20140263846
2014-09-18

CENTRIFUGAL FORCE AMPLIFICATION METHOD AND SYSTEM FOR GENERATING VEHICLE LIFT

#124
20140061386
2014-03-06

Methods and apparatus for performing propulsion operations using electric propulsion systems

#125
20140009098
2014-01-09

Interacting complex electric fields and static electric fields to effect motion

#126
20130292516
2013-11-07

Propulsion system for satellite orbit control and attitude control

#127
20130233974
2013-09-12

ENERGY SUPPLY METHOD FOR SPACECRAFTS-ACCUMULATORS

#128
20130153709
2013-06-20

PROCESS AND APPARATUS FOR A VEHICLE THAT LEVITATES

#129
20120325971
2012-12-27

Space vacuum propulsion system

#130
20120137652
2012-06-07

Electromagnetic Thrust System

#131
20120117937
2012-05-17

Uses of hydrocarbon nanorings

#132
20110302906
2011-12-15

Laser Tractor Beam

#133
20110274134
2011-11-10

SOLAR PUMPED LASER MICROTHRUSTER

#134
20110219893
2011-09-15

Inertial propulsion device to move an object up and down

#135
20110079684
2011-04-07

Centrifugal Engine and Vehicle Featuring Same

#136
20110073715
2011-03-31

Method and apparatus for generating propellantless propulsion

#137
20100327671
2010-12-30

MOTOR CAPABLE OF GENERATING A DRIVING OUTPUT BASED ON A MAGNETIC FIELD

#138
20100251691
2010-10-07

FIFTH-FORCE APPARATUS AND METHOD FOR PROPULSION

#139
20100237198
2010-09-23

Switchable article and device to generate a lateral or transverse Casimir force for propulsion, guidance and maneuvering of a space vehicle

#140
20100176248
2010-07-15

SPACECRAFT PROPULSION SYSTEM WITH GYROSCOPIC MECHANISM

#141
20090183951
2009-07-23

Device to move an object back and forth

#142
20090179113
2009-07-16

Method and apparatus for elevating and manipulating objects using electromagnetic fields only

#143
20090139762
2009-06-04

Metamaterial spheric alignment mechanism

#144
20090108136
2009-04-30

Navigation Body, Navigation Device, and Space Navigation Device

#145
20080296437
2008-12-04

Method and Device to Generate a Transverse Casimir Force for Propulsion, Guidance and Maneuvering of a Space Vehicle

#146
20080257079
2008-10-23

INERTIAL PROPULSION DEVICE

#147
20080223976
2008-09-18

Space vehicle launch system

#148
20080111655
2008-05-15

Magnetic flotation device

#149
20070295010
2007-12-27

Method and apparatus to generate thrust by inertial mass variance

#150
20070079663
2007-04-12

Resonant maglev centrifugal propulsion

#151
20070007393
2007-01-11

Method for propulsion

#152
20070001541
2007-01-04

Gravitational wave propulsion

#153
20060180473
2006-08-17

Water energy generator

#154
20060168937
2006-08-03

Magnetic monopole spacecraft

#155
20060145019
2006-07-06

Triangular spacecraft

#156
20060144035
2006-07-06

Photon spacecraft

#157
20060123937
2006-06-15

Centrifugal generator of a thrust force for aviation and space apparatuses

#158
20060091262
2006-05-04

Method and apparatus for elevating and manipulating objects using electromagnetic fields only

#159
20060071122
2006-04-06

Full body teleportation system

#160
20060070371
2006-04-06

Electric dipole moment propulsion system

#161
20060065789
2006-03-30

Method for producing thrusts with "Mach" effects manipulated by alternating electromagnetic fields

#162
20060038081
2006-02-23

Electric dipole spacecraft

#163
20060027709
2006-02-09

Apparatus comprising of propulsion system

#164
20050178920
2005-08-18

Spacecraft propulsion system

#165
20050166691
2005-08-04

Gyroscope device for creating a precession torque

#166
20050116112
2005-06-02

High energy electric feed drive system

#167
20050077433
2005-04-14

Apparatus and method for maneuvering objects in low/zero gravity environments

#168
20050077425
2005-04-14

Thruster for propelling and directing a vehicle without interacting with environment and method for making the same

#169
20050056729
2005-03-17

Particle accelerator space engine

#170
20050029397
2005-02-10

Flying saucer

#171
19087481
2025-09-16

Method and device for driving movement of target object by gravitational field generated by varying electromagnetic field

#172
19041620
2025-08-12

Electron propulsion engine and method of operation thereof

#173
18929141
2026-03-31

Microgravity in low earth orbit with continuous electric propulsion

#174
18669146
2025-06-17

Advanced electric resistance thermal propulsion systems

#175
18543739
2025-04-01

Centrifugal force propulsion device

#176
18093547
2024-07-16

Space railway

#177
17737952
2023-01-17

Propulsion system using shape-shifting member

#178
17737006
2024-02-20

Propulsion system using shape-shifting member

#179
17661023
2024-10-29

Microgravity in low earth orbit with continuous electric propulsion

#180
17118551
2022-01-11

Hypersonic harmonic vehicle exciter and methods of use thereof

#181
16579986
2022-11-22

Gyroscopic propulsion

#182
16550977
2023-11-14

Silicon oxide coated aluminized Kapton radiator coating for nano-satellite thermal management

#183
15651398
2018-04-10

Energy beam propulsion system

#184
15143386
2019-10-01

Orbital mechanics of impulsive launch

#185
15096057
2019-05-21

Portable electromagnetic gyroscope propulsion system and method

#186
15009080
2018-03-20

Methods of laser powering unmanned aerial vehicles with heat engines

#187
14851665
2016-05-24

Nuclear thermal propulsion rocket engine

#188
14692349
2015-11-10

Nuclear thermal propulsion rocket engine

#189
13481204
2018-06-26

Optical heat exchanger and associated method