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Grau; John C.
Sussex, NJ
No. of patents:

Patent Number Title Of Patent Date Issued
H1353 Velocity enhancing projectile sabot September 6, 1994
A cartridge for a kinetic energy projectile, where the projectile has a deter of less than a gun bore diameter and the projectile is saboted in order to support and guide the projectile along the gun bore. The sabot 42 has a closing disk 48 which radially extends from the projectile or
6957602 Parachute active protection apparatus October 25, 2005
An apparatus for protecting an object from an incoming munition includes a tracking apparatus mounted on the object, for tracking the incoming munition; a firing solution computer connected to the tracking apparatus; a plurality of launch tubes mounted on the object, the plurality of lau
6629668 Jump correcting projectile system October 7, 2003
A system for controlling the trajectory of a launched projectile. More particularly, a method for correcting the projectile jump displacement of a launched projectile after it is released from a vessel using on-board G-hardened accelerometers orthogonally mounted along the longitudinal a
6565036 Technique for improving accuracy of high speed projectiles May 20, 2003
A system for guiding projectiles to a target. More particularly, a system for the guidance of projectiles toward a target using a photo detector array (18) and an arrangement of single use thrusters (22). The system is capable of guiding projectile to targets after firing from extended
6443391 Fin-stabilized projectile with improved aerodynamic performance September 3, 2002
A projectile includes an elongated forebody and an aft section secured to the forebody. The aft section includes a pair of fins affixed to an aerodynamic, cylindrical section. The lift generated by the low-drag pair of fins is sufficient to counteract most foreseeable angles of attack to
5375792 Method for reducing dispersion in gun launched projectiles December 27, 1994
Disclosed is a method for reducing dispersion in gun launched projectiles. n axial thrust is applied to the projectile at a specific time in the yaw cycle to cancel the effect of aerodynamic jump which arises from the effect of yawing motion disturbance created by an initial disturbance.
5220128 Soft-recovery system for gun-launched projectiles June 15, 1993
A soft-recovery projectile having an aft portion, a forward portion and a gas seal mounted between the portions. The aft portion includes a recoverable payload such as projectile components or the like. The forward portion includes a parachute that is attached to the payload and is store
5153371 Ribbon stabilizer for a weapon October 6, 1992
A weapon arranged to travel in a given orientation when in flight, has a body and a ribbon. The body has a payload casing and a spindle rotatably mounted at the rear of the payload casing. The ribbon is formed into a flexible loop for trailing behind the body in flight. This ribbon is

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