ClassID:

140416

F02K9/24 - CPC Classification

Classification description:

Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants Charging rocket engines with solid propellants; Methods or apparatus specially adapted for working solid propellant charges

Recent Application in this class:
#1
20260138757
2026-05-21

ROCKET MOTOR

#2
20260117725
2026-04-30

3D-PRINTED ROCKET FUEL GRAINS, ROCKET ENGINES AND AN ADDITIVE MANUFACTURING PROCESS

#3
20260028948
2026-01-29

ROCKET MOTORS AND METHODS OF MANUFACTURING ROCKET MOTORS

#4
20250223950
2025-07-10

PROPELLANT APPLIED TO A THRUSTER AND METHOD OF MANUFACTURING THE SAME

#5
20240150047
2024-05-09

ROCKET MOTOR

#6
20240149502
2024-05-09

SYSTEMS AND METHODS FOR CASTING PROPELLANT GRAIN

#7
20240117782
2024-04-11

Modulating internal ballistics in a 3D-printed rocket motor and an additive manufacturing process

#8
20230151779
2023-05-18

Electrochemical rocket motor

#9
20220161440
2022-05-26

Device and method for finishing a solid-propellant charge

#10
20220080629
2022-03-17

Systems and methods for casting propellant grain

#11
20210387927
2021-12-16

High density hybrid rocket motor

#12
20210190014
2021-06-24

Test method for testing a solid-propellant rocket engine, solid-propellant rocket engine and system for implementing the method

#13
20200377428
2020-12-03

Solid Rocket Motor Propellant Manufacture and Configurations

#14
20200291898
2020-09-17

AUXILIARY BOOSTER WITH OPTIMISED ARCHITECTURE

#15
20200024003
2020-01-23

Satellite with integral thrusters

#16
20180319486
2018-11-08

THRUSTING ROCKETS FOR ENHANCING EMERGENCY AUTOROTATION

#17
20180223770
2018-08-09

ROCKET MOTOR WITH ENERGETIC GRAIN HAVING MICRO-VOIDS

#18
20180156158
2018-06-07

Rocket motor with energetic grain having region with energetic disposed therein

#19
20180128207
2018-05-10

Electrically operated propellant for solid rocket motor thrust management

#20
20180118634
2018-05-03

High density hybrid rocket motor

#21
20180112627
2018-04-26

Solid rocket motor with vortex inducing feature

#22
20180106217
2018-04-19

Mandrel assembly and method of manufacturing solid rocket propellant grain using the same

#23
20170138310
2017-05-18

Aerospike rocket motor assembly

#24
20170036784
2017-02-09

VAPOR JET SYSTEM

#25
20160356758
2016-12-08

Systems and methods for non-destructive testing of energetic materials

#26
20160264489
2016-09-15

Rocket motor propellants, systems and/or methods

#27
20160061148
2016-03-03

Propulsion system comprising plurality of individually selectable solid fuel motors

#28
20160032867
2016-02-04

Stable hybrid rocket technology

#29
20150059314
2015-03-05

ELECTRICALLY IGNITED AND THROTTLED PYROELECTRIC PROPELLANT ROCKET ENGINE

#30
20140260184
2014-09-18

Precursor formulations for a liner, a rocket motor including the liner, and related methods

#31
20140026537
2014-01-30

Multiple Use Hybrid Rocket Motor

#32
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

#33
20130042594
2013-02-21

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

#34
20100251695
2010-10-07

ROCKET ENGINE FOR USE WITH AERODYNAMIC FUEL RIBBON, AND FUEL RIBBON FOR ROCKET AND METHOD

#35
20100064925
2010-03-18

Rocket motor with pellet and bulk solid propellants

#36
20050115439
2005-06-02

Multiple pulse segmented gas generator

#37
18960990
2025-10-28

Rocket motor including an embedded charge assembly (ECA) configured to support a burn rate enhancement (BRE) wire

#38
18673098
2025-10-14

Rocket motors and methods of manufacturing rocket motors

#39
18581297
2024-10-01

Additively manufactured rocket fuel grains and competitive simulation of the same

#40
17709700
2023-09-05

Propulsion system with grooved inert rods for reactive wire

#41
17325565
2024-02-27

Additively manufactured rocket fuel grains and competitive simulation of the same

#42
17325558
2024-10-15

3D-printed rocket fuel grains, rocket engines and an additive manufacturing process

#43
17325538
2025-08-26

Continuous modification in a 3D-printed rocket engine and an additive manufacturing process

#44
17325524
2023-12-26

Modulating internal ballistics in a 3D-printed rocket motor and an additive manufacturing process

#45
15922966
2020-07-28

Monofilament vaporization propulsion systems

#46
15452531
2021-06-22

Microwave flame enhancement of energetic material combustion

#47
15438274
2019-10-22

Enhanced operability dual mode ramjet and scramjet engine ignition system