ClassID:

140413

F02K9/18 - CPC Classification

Classification description:

Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants; Shape or structure of solid propellant charges of the internal-burning type having a star or like shaped internal cavity

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
20250035070
2025-01-30

HYBRID ROCKET ENGINE FUEL GRAINS WITH COMPOSITIONAL VARIATIONS

#4
20240150047
2024-05-09

ROCKET MOTOR

#5
20240117782
2024-04-11

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

#6
20230166851
2023-06-01

Multi-stage propellant systems, assemblies, and methods

#7
20200025152
2020-01-23

2-pulse gas generator and method of measuring propellant combustion surface position

#8
20180209381
2018-07-26

Persistent vortex generating high regression rate solid fuel grain for a hybrid rocket engine

#9
20180169937
2018-06-21

Additive manufactured thermoplastic-nanocomposite aluminum hybrid rocket fuel grain and method of manufacturing same

#10
20180156158
2018-06-07

Rocket motor with energetic grain having region with energetic disposed therein

#11
20180112627
2018-04-26

Solid rocket motor with vortex inducing feature

#12
20180094606
2018-04-05

Rocket motor with concentric propellant structures for shock mitigation

#13
20170138310
2017-05-18

Aerospike rocket motor assembly

#14
20160115905
2016-04-28

Two-pulse gas generator and operation method thereof

#15
20150047316
2015-02-19

Three-pulse gas generator and operation method thereof

#16
20130112101
2013-05-09

Bomb for deployment from an air vehicle

#17
20130042951
2013-02-21

Systems and methods for casting hybrid rocket motor fuel grains

#18
20130042596
2013-02-21

Systems and Methods for Fabricating Hybrid Rocket Fuel Motor Fuel Grains

#19
20120006186
2012-01-12

Solid composite propellants and methods of making propellants

#20
20110023449
2011-02-03

Insensitive rocket motor

#21
20110006152
2011-01-13

Modular divert and attitude control system

#22
20100251694
2010-10-07

Solid composite propellants and methods of making propellants

#23
20100176247
2010-07-15

Apparatus to reduce thrust oscillations in a launch vehicle

#24
20100077723
2010-04-01

Solid propellant rocket motor with notched annular fuel

#25
20090235640
2009-09-24

Pellet loaded attitude control rocket motor

#26
20090205313
2009-08-20

Fast Response Solid Fuel Rocket Motor

#27
20060107648
2006-05-25

Integrated air inlet system for multi-propulsion aircraft engines

#28
20050193915
2005-09-08

Propellant extrusion using shaped perforation pins

#29
18581297
2024-10-01

Additively manufactured rocket fuel grains and competitive simulation of the same

#30
17325565
2024-02-27

Additively manufactured rocket fuel grains and competitive simulation of the same

#31
17325558
2024-10-15

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

#32
17325538
2025-08-26

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