140412 ⎘
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 honeycomb structure
Solid rocket motor with vortex inducing feature
#2Liquid fuel metering in a hybrid rocket-like liquid rocket motor
#3Rocket motors and their use
#4Systems, methods, and apparatus for providing a multi-fuel hybrid rocket motor