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| Number | Title | Issue Date |
| 5074214 | Method for controlled aero dynamic dispersion of organic filamentary materials Method for air dispersion of filamentary type organic material from an initial compressed form comprising a component of a propellant and/or air-activated shell-like structure. An invention comprised of a plurality of compressed filamentary organic materi... | 12/24/1991 |
| 5049883 | Combined microwave and infrared chaff A long, slender thread or filament of a slow-burning substance is metalli, by evaporation, cold-spraying, or the like, with aluminum, zinc or other similar substance. A short length at one end is not metallized but is provided with means for igniting the... | 09/17/1991 |
| 5039990 | Galvanically dissipatable evanescent chaff fiber An article comprising a non-conductive substrate having a sub-micron thickness of an oxidizable conductive first metal coating thereon, and a second (promoter) metal which is galvanically effective to promote the corrosion of the first metal, discontinuou... | 08/13/1991 |
| 5034274 | Salt-doped chaff fiber having an evanescent electromagnetic detection signature, and method of making the same An article comprising a non-conductive substrate having a sub-micron thickness of an oxidizable metal coating thereon, and an oxidation enhancingly effective amount of a salt, e.g., from about 0.005 to about 25% by weight of salt, based on the weight of o... | 07/23/1991 |
| 4899662 | Container-disperser for chaff constituted by metal strips or by metallized strips The present invention relates to a container-disperser for chaff constituted by metal strips or by metallized strips, the container-disperser comprising two end plates (130, 140) which are generally parallel and interconnected by spacers (150, 155) suitab... | 02/13/1990 |
| 4796536 | Chaff dispenser system A system for chaff deployment which includes a compartmentalized platelet with the bottom of the compartments formed by preformed releasable tang springs and the top of the compartment by a releasable door. The door is released to open the chamber and the... | 01/10/1989 |
| 4763127 | Fiber under foil chaff coil A chaff device for exoatmospheric deployment as a countermeasure to radar detection of exoatmospheric objects utilizes a plurality of elongated foil members and a plurality of elongated fiber members, each for providing a dipole. The foil dipole members a... | 08/09/1988 |
| 4756778 | Protecting military targets against weapons having IR detectors Pyrolyzed carbon fibers are intercalated with alkali metal by contacting fibers with hot metal vapors at a specified temperature to produce an infrared emissive chaff. This chaff can be released into the air to produce a heat generating cloud, which can... | 07/12/1988 |
| 4638316 | Radar reflecting electrolytes Method of reflecting electromagnetic energy and jamming radar by imposing a olution of an organic electrolyte with a dielectric constant of at least 90 at 25° C. in the path of the electromagnetic energy.... | 01/20/1987 |
| 4600642 | Radar wave dipole of copper coated carbon fibers Small lengths of conductors, cut to the appropriate size are used as radar "chaff" or passive reflectors to give spurious returns on an enemy radar and thereby act as an electronic countermeasure. Currently used chaff includes chopped aluminum foil, alumi... | 07/15/1986 |
| 4549489 | Cartridge for launching electromagnetic decoys with multiple charges A cartridge for launching electromagnetic decoys with multiple charges comprises an elongated tube having an open upper end and a closed lower end, in which a plurality of flat holders, containing electromagnetic decoys are stacked over the length of the ... | 10/29/1985 |
| 4471358 | Re-entry chaff dart Chaff for protecting a ballistic missile from detection by radar during re-entry into the atmosphere is shown to be made up of a plurality of dart like elements, each fabricated from pyrolytically formed graphite and shaped so as to follow a ballistic pat... | 09/11/1984 |
| 4446793 | Disk deployment of expendables A spin stabilized disk for deploying chaff (radar countermeasure dipoles) or other expendable materials or substances from a moving aircraft. The disk, containing the expendable material is ejected from the aircraft at an angle in azimuth off of the aircr... | 05/08/1984 |
| 4435481 | Pyrophoric foil and article, and pyrophoric technique Pyrophorically activated surfaces of metal foil or screen, prepared by diffusing into surface a selectably removable second metal that is then selectively removed as by leaching, can be covered with reactive or inert materials. Reactive materials such as ... | 03/06/1984 |
| 4404912 | Chaff cartridge for aircraft defense An ejection device in the form of a chaff cartridge for dipoles for aircraft defense, through disorientation of the hostile aircraft cannon radar. The ejection device allows for the dipoles to be completely ejected and wherein, after the ejection, the ind... | 09/20/1983 |
| 4371874 | Chaff dipole elements and method of packaging Chaff dipole elements formed from a plurality of different materials of the ame size and length but of different weight suitable for placing into a dispensing package and dispersed as desired.... | 02/01/1983 |
| 4333402 | Arrangement for launching interference material A projectile (1) containing particles of interference material is fired pneumatically from a launching tube (2). Compressed air, which is supplied to the launching tube and acts on the rear face of the projectile during firing, is conducted both to a load... | 06/08/1982 |
| 4309705 | Chaff ejecting device A device for ejecting radar interference chaff, comprising a magazine having a number of tubular cells (21) in which bundles of chaff (22) are displaced towards an ejection opening. A plunger device (23) and a wire (29) connected thereto is used for displ... | 01/05/1982 |
| 4307665 | Decoy rounds This disclosure relates to countermeasure systems, particularly to systems for providing a protective cover against homing and/or fire control devices operating upon infrared, sonar, or microwave reflected energy or for confusing search and tracking devic... | 12/29/1981 |
| 4304517 | Chaff ejection device A device for ejecting radar chaff comprising a magazine having a number of tubular cells in which chaff bundles are displaced towards an ejection end of the cell. The displacement of the chaff bundles is obtained by means of a plunger device which is long... | 12/08/1981 |
| 4286498 | Decoy rounds and their method of fabrication This disclosure relates to countermeasure systems, particularly to systems for providing a protective cover against homing and/or fire control devices operating upon infrared, sonar, or microwave reflected energy or for confusing search and tracking devic... | 09/01/1981 |
| 4183302 | Sequential burst system A system which disperses a payload sequentially. The payload may consist of a number of discrete individual units or a long string of units. The illustrated and described embodiment of the system is utilized in a rocket for dispersing decoy material, such... | 01/15/1980 |
| 4178854 | Multiple sequential burst system A system which disperses a payload in a sequential manner. The payload may consist of a number of discrete individual payload units which are composed of two or more sections. The illustrated and described embodiment of the system is utilized in a rocket ... | 12/18/1979 |
| 4167009 | Re-entry chaff 4. A radar disabling means, including: A plurality of individual pieces of radar reflective chaff, each having a tear-drop shape.... | 09/04/1979 |
| 4167008 | Fluid bed chaff dispenser The dispensing of the chaff fibers takes place in two distinct steps. Initially, a mixture of chaff and fluidization media is delivered to a fluidization chamber. Bleed air from the jet engines is caused to flow through the mixture of chaff and fluidizati... | 09/04/1979 |
| 4149166 | Doppler countermeasure device 1. A Doppler decoy protection device comprising a missile capable of being launched from a space craft whose protection is sought, and to travel in advance thereof and at a speed greater than the speed of said space craft, guide means extendable rearwardl... | 04/10/1979 |
| 4134115 | Device for spreading of chaff payloads for radar interference Disclosed is a device for spreading chaff payloads for radar interference comprising a cartridge having a number of oblong cells in which chaff bundles may be displaced towards the output end of the cartridge. The cells are arranged as units each having a... | 01/09/1979 |
| 4130059 | Decoy means and method therefor A harmonic converting or generating material, particularly adapted for use as chaff in decoy rounds, and a method of fabricating the same. The material is formed from metallic foil to have the characteristics of a dipole and which by the addition to the m... | 12/19/1978 |
| 4129078 | Dispersive subprojectiles for chaff cartridges A chaff cartridge is made up of a plurality of chaff interpackets contained in subprojectiles. The subprojectiles are each provided with fins and the fins of each subprojectile in a chaff cartridge provide a different drag to cause the spacing out of the ... | 12/12/1978 |
| 4117486 | Buoyant chaff 1. A buoyant elongated tubular chaff element responsive to radio frequency nergy comprising a hollow longitudinal body of relatively thin light weight flexible metal, a quantity of a gaseous medium lighter than air contained within said body sufficient to ... | 09/26/1978 |
| 4100102 | Composition for screening infra-red radiation A composition for nullifying detection with infra-red equipment consisting ssentially of a suspension of 30-40% by weight of aluminum particles in from 60 to 70% by weight of vaporizable hydrocarbon oil, said aluminum particles have diameters in range of 2... | 07/11/1978 |
| 4063515 | Dispersive subprojectiles for chaff cartridges A chaff cartridge is made up of a plurality of chaff interpackets contained in subprojectiles. The subprojectiles are each provided with fins and the fins of each subprojectile in a chaff cartridge provide a different drag to cause the spacing out of the ... | 12/20/1977 |
| 3987966 | Centrifugal chaff dispenser Bundles of chaff fibers are fed into a rotating preacceleration chamber having a diverging outlet. The chaff fibers are rotated with the preacceleration chamber and are forced radially outward by centrifugal force. A feed mechanism forces the rotating cha... | 10/26/1976 |
| 3965472 | Off-resonant chaff system for a large target viewed by low frequency radar A system for concealing radar targets. A chaff system with low deadweight ratio, low chaff birdnesting, lossless wire performance, low vulnerability and high dispensing reliability. A chaff system for masking large size targets viewed at low radar frequen... | 06/22/1976 |
| 3952307 | Deactivating radar chaff 1. Deactivating radar chaff which becomes electrically inactive upon exposure to ultraviolet light and comprising: an electrically inert central element, a metallic layer on said central element, a sodium silicate layer on said metallic layer, and a layer... | 04/20/1976 |
