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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7370584 | Second environment sensing in smart bombs A safety and arming apparatus for arming a fuze of a smart weapon comprise a release sensor and a verification maneuver sensor in cooperative electronic communication with each other, such that when the release sensor senses that the weapon has been released and the... | 05/13/2008 |
| 7337723 | Detonator arming A detonator which, once armed, is automatically disarmed after a predetermined time period in the absence of at least one defined signal during such time period. ... | 03/04/2008 |
| 7334523 | Fuze with electronic sterilization A fuze may include a detonator, a firing capacitor and a control circuit. The firing capacitor may be charged to a nominal operational voltage, wherein when the firing capacitor is discharged across the detonator, an external explosive charge may be detonated. The f... | 02/26/2008 |
| 7299734 | Synchronously/synergeticly timed fuse procedure or process A synchronous or synergeticly timed fuse is installed into ordnance (bombs, artillery shells, depth charges etc.), the ordnance is delivered to a target area and a simultaneous (synchronous), or a synergetic (not neccessarily synchronous yet the energies add togethe... | 11/27/2007 |
| 7213518 | Modular electronic fuze A modular fuze assembly is provided for use in multiple types of military ordnance. The fuze comprises a base unit having an initiator for arming the fuze; a timer assembly that includes a programmable clock package; a trigger assembly comprising a line monitoring c... | 05/08/2007 |
| 7142087 | Micromechanical latching switch A micro-electrical-mechanical-switch (MEMS) device comprises a semiconductor wafer, a first semiconductor layer formed on the semiconductor wafer, and a second semiconductor layer formed on the first layer. A first latching movable shuttle is formed in the second la... | 11/28/2006 |
| 7077045 | Projectile inductive interface for the concurrent transfer of data and power A projectile includes a body, a payload within the body, a target system within the body for affecting operation of the projectile, and an inductive interface which, as part of the target system, permits transfer of at least one of power and data between the target ... | 07/18/2006 |
| 7021187 | Low velocity air burst munition and launcher system implemented on an existing weapon A low velocity air burst munition and launcher system allows the user to program the munition to detonate in the air at a specified range from the muzzle. The system further allows the munition to detonate upon impact or self-destruct if the target is missed. The sy... | 04/04/2006 |
| 7013809 | Mecanotronic fuses for hand grenades The improvements are applicable to fuses provided with a container (9) inside which may move axially a slider (10) having an electrical generator (1), the activation of which provides the electrical energy required for the operation of the fuse,... | 03/21/2006 |
| 7004072 | Magnetically sensed second environment safety and arming device The fuze is armed only if muzzle exit is sensed by a magnetic sensor within a predetermined time after setback is sensed and either one or both of a minimum spin rate is sensed by the magnetic sensor and/or a minimum number of turns are counted. ... | 02/28/2006 |
| 6951161 | Smooth bore second environment sensing A safety and arming apparatus for arming a fuze of a smooth bore projectile, comprises a setback sensor and a spin rate sensor. The setback sensor is in cooperative electronic communication with the spin rate sensor such that when the setback sensor senses at least ... | 10/04/2005 |
| 6481355 | Bomblet fuze with self-destruct mechanism A priming unit, consisting of a combination of rested casings 5, 6, 7, a firing pin 3 with assembly aid 12, as well as a priming spring 8 and a propulsion spring 9, are arranged to provide a secure detonation of a fuze or bomblet fuze. The priming unit en... | 11/19/2002 |
| 6427598 | Method and device for correcting the predetermined disaggregation time of a spin-stabilized programmable projectile The determination of the active projectile velocity required for the correction computation and the correction of the disaggregation time (Tz(vo) are performed in a projectile after it has been fired. The velocity measurement takes place in the... | 08/06/2002 |
| 6401621 | Electronic safe and arm apparatus for initiating a pyrotechnic An electronic safe and arm apparatus disposed in a projectile having a spin axis and a spin rate includes a battery; a power supply board connected to the battery, the power supply board including a mechanical G-switch that closes permanently at a predete... | 06/11/2002 |
| 6332400 | Initiating device for use with telemetry systems A substitute solid state device for safely initiating a sustainer motor is provided. The substitute device replaces a mechanism that is integral to a warhead. The substitute device interfaces to a telemetry package and is suitable for insertion into small... | 12/25/2001 |
| 6295931 | Integrated magnetic field sensors for fuzes An apparatus and method for electronically controlling ordnance fuzes by sensing magnetic fields proximate the ordnance via a magnetic field sensor. The sensor is preferably a giant magnetoresistance detector. For spinning ordnance, in-flight cumulative r... | 10/02/2001 |
| 5886339 | Missile attitude safing system An attitude sensing safing system for a missile, which senses an attitude ror of the missile, and activates a dudding signal when the error exceeds a certain value for a predetermined time. The missile includes a delay arming timer, which is deactivated w... | 03/23/1999 |
| 5886287 | Guidance information analyzer A gating circuit for a missile guidance system having a capacitor for supplying the output signal together with a plurality of silicon controlled rectifiers for applying or removing a supply voltage to the capacitor.... | 03/23/1999 |
| 5886285 | Variable range timer impact safety system An arming system for a missile which prevents destruction of the missile side of a specified area. The missile may be launched from a submarine, and follow a water-air-trajectory, and includes a variable-range timer acting in conjunction with an impact d... | 03/23/1999 |
| 5756927 | Method of arming and arrangement for carrying out the method A method and apparatus for determining whether a warhead in flight and forming a part of a rocket, missile, or the like, is in a state which permits arming of the warhead. The arming of the warhead depends upon the conditions of the warhead's movement and... | 05/26/1998 |
| 5714709 | Apparatus for detonating a plurality of objects Objects are detonated by placing charges adjacent respective ones of the objects and connecting the charges to a time fuse by means of respective explosive cords for detonating all of the charges simultaneously when the time fuse fires. The time fuse can ... | 02/03/1998 |
| 5623117 | Delay ordnance system A pancake-configured housing holds first and second printed circuit boards. The first board includes electronic circuitry providing an adjustable timing delay and a first switch manually operated from a position external to the housing. The second board i... | 04/22/1997 |
| 5602360 | Electronic delay igniter and electric detonator An electronic delay igniter including a firing capacitor (102) for storing energy required for firing by applying a voltage from an external power supply, an electronic timer unit (206) provided with a solid state oscillator driven by the energy stored in... | 02/11/1997 |
| 5594195 | Miniature, low power, electromechanical safety & arming device The blocking disc serving as an explosive train interrupter of a safety and rming mechanism is angularly displaced from its safe position by a stepping motor through reduction gearing in response to timed energizing pulses applied thereto from a crystal-co... | 01/14/1997 |
| 5497704 | Multifunctional magnetic fuze A multifunctional magnetic fuze is disclosed. The sensor includes an apparatus and method for counting each rotation of a projectile after firing from a weapon. A signal is generated which indicates the rotations of the projectile and a counter counts the... | 03/12/1996 |
| 5249526 | Safe and arm device A safe and arm device has a cylindrical body from which a plurality of exsive leads diverge from a rotor movable through an arming angle to electrically and mechanically arm a plurality of detonators and has a rotary solenoid with a shaft oscillating a p... | 10/05/1993 |
| 5147975 | Remotely settable, multi-output, electronic time fuze and method of operation A single ordnance fuze comprising electronic means to initiate three separate detonation outputs. The first detonation output being used for round parachute deployment and fuze probe cover release. Simultaneously a mechanical timer is started which delays... | 09/15/1992 |
| 5119715 | Time delay fuze A time delay fuze is shown to include a fuze base having an outer surface with a circular shape and a center cavity with an inner wall having a plurality of bores disposed through the inner wall to the outer surface. The time delay fuze further includes a... | 06/09/1992 |
| 4796532 | Safe and arm device for spinning munitions The invention relates to a safe and arm mechanism for an exploding projectile to be fired from a rifled gun. The projectile first experiences axial and angular acceleration which moves a setback ball to initially arm the mechanism. A third projectile para... | 01/10/1989 |
| 4793257 | Safety and arming mechanism A safe and arm device is responsive to electrical signals by way of two solenoids that push and pull, respectively, an arm to rotate, in turn, each of a series of three cogwheels by steps. When each of the cogwheels has been rotated a given number of step... | 12/27/1988 |
| 4738201 | Control devices Apparatus for e.g. igniting a boost motor of a spinning projectile comprises an inertia wheel (5) which remains stationary within the spinning projectile and a linearly movable member (10) initially decoupled from the inertia wheel but become engaged ther... | 04/19/1988 |
| 4716830 | Inertia safety and arming device An inertial mass is forced from an initial position against a compression spring by sustained acceleration of a predetermined value to travel to the end of a zig-zag channel where it is locked into place in engagement with four contacts and thereby enable... | 01/05/1988 |
| 4595808 | Electromechanical switch A hardened electromechanical switch is disclosed. When appropriate electrical contacts and pick-offs are aligned, four switches close. The possible number of switch combinations selectable are 4095 based upon a base eight counting system. The switch has a... | 06/17/1986 |
| 4594944 | Setting ring system for electronic time fuzing A system for manually setting a timing value of an electronic fuze for an artillery projectile prior to firing without tools or electric power, and for displaying the set timing value in standard decimal format. Two adjacent setting rings, disposed about ... | 06/17/1986 |
| 4478147 | Tri-rotor safe and arm device A safety arming device driven by a reversible motor including a detonator sitioned in a casing for initiating explosive logic through the reception of signals from an electric circuit. A driver wheel is rotated by the reversible motor which matingly engag... | 10/23/1984 |
| 4407201 | Retard sensor and energy converter The method of performing an arming operation in a falling munition which comprises the steps of decelerating the munition, quickly converting a portion of the energy of deceleration to potential energy, and slowly utilizing the potential energy to perform... | 10/04/1983 |
| 4372212 | Composite safe and arming mechanism for guided missile An electro-mechanical mechanism is disclosed which controls safety-armingring of an air-launched missile's rocket motor and safety-arming of the warhead. The mechanism has an out-of-line safety pyrotechnic design to maintain the electric firing circuits ... | 02/08/1983 |
| 4337701 | Electromechanical warhead safety-arming device A safety and arming device using two counter-rotating gears provides stabty from acceleration forces. The gears have a natural tendency to compensate for lateral shifts which tend to speed up or slow down any one single gear. The gears are anchored by a ... | 07/06/1982 |
| 4334475 | Proximity fuses A fuse provided with a detonator which is ignited by an electrical ignition signal is described. The detonator has a first terminal normally connected to earth and supported by a rotatable member which can move the detonator from a first position in which... | 06/15/1982 |
| 4051339 | Variable time missile safety timer 1. A variable delay arming timer comprising A cylindrical housing, A motor and gearing contained within said housing, A shaft coupled to said gearing to be rotated thereby at a predetermined e, said shaft being coaxial with said cylindrical housing, Cam means moun... | 09/27/1977 |
