ClassID:

140410

F02K9/12 - 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 made of two or more portions burning at different rates or having different characteristics

Recent Application in this class:
#1
20250084806
2025-03-13

MULTISTAGE VARIABLE BURNING RATE SOLID ROCKET MOTOR AND FORMING METHOD

#2
20250035070
2025-01-30

HYBRID ROCKET ENGINE FUEL GRAINS WITH COMPOSITIONAL VARIATIONS

#3
20230166851
2023-06-01

Multi-stage propellant systems, assemblies, and methods

#4
20230035372
2023-02-02

TRI-REGIME COMPOSITE SOLID PROPELLANT

#5
20210277847
2021-09-09

Hybrid rocket

#6
20200040849
2020-02-06

Integral variable performance propellant grain

#7
20200025152
2020-01-23

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

#8
20190002362
2019-01-03

Additive manufactured combustible element with fuel and oxidizer

#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
20180128207
2018-05-10

Electrically operated propellant for solid rocket motor thrust management

#12
20180094606
2018-04-05

Rocket motor with concentric propellant structures for shock mitigation

#13
20170130674
2017-05-11

Liquid fuel metering in a hybrid rocket-like liquid rocket motor

#14
20160355447
2016-12-08

Additive manufactured combustible element with fuel and oxidizer

#15
20160115905
2016-04-28

Two-pulse gas generator and operation method thereof

#16
20160009607
2016-01-14

End-burning propellant grain with area-enhanced burning surface

#17
20150361923
2015-12-17

Rocket motors and their use

#18
20150047316
2015-02-19

Three-pulse gas generator and operation method thereof

#19
20130145949
2013-06-13

End-burning propellant grain with area-enhanced burning surface

#20
20130112101
2013-05-09

Bomb for deployment from an air vehicle

#21
20130031888
2013-02-07

Systems, methods, and apparatus for providing a multi-fuel hybrid rocket motor

#22
20130014491
2013-01-17

Combustion gas supply control device

#23
20110314791
2011-12-29

METHOD FOR COMBUSTION SYSTEM

#24
20100251695
2010-10-07

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

#25
20100218481
2010-09-02

Two-pulse rocket motor

#26
20100175367
2010-07-15

Propellant device of enhanced performance

#27
20050115439
2005-06-02

Multiple pulse segmented gas generator

#28
10376297
2017-10-10

Rocket motors having controlled autoignition propellant systems

#29
10200597
2017-09-12

Controlled autoignition propellant systems