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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Bhatnagar; Ashok
Address:
Richmond, VA
No. of patents:
27
Patents:












Patent Number Title Of Patent Date Issued
8256019 Composite ballistic fabric structures for hard armor applications September 4, 2012
A ballistic resistant composite material useful in rigid armor applications. The composite material includes at least one consolidated network of high tenacity fibers in a thermoplastic matrix material. The resin is a thermoplastic polyurethane resin that is semi-crystalline at room
8158540 Environmentally resistant ballistic composite based on a nitrile rubber binder April 17, 2012
Ballistic resistant fabrics and articles that retain superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The fabrics are formed from high performance fibers coated with a nitrile
8080486 Ballistic shield composites with enhanced fragment resistance December 20, 2011
Consolidated, layered composites having high penetration resistance to both bullets and fragments are described. The composites comprise, in order, a first non-woven fabric comprising one or a plurality of unidirectionally oriented high tenacity fibrous layers, a felt material compri
8017530 Environmentally resistant ballistic composite based on a fluorocarbon-modified matrix binder September 13, 2011
Ballistic resistant fabrics and articles that retain their superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The fabrics incorporate a fluorine-containing polymeric binder c
8017529 Cross-plied composite ballistic articles September 13, 2011
A multilayered composite fabric, the composite fabric comprising a first fabric comprising first and second non-woven unidirectionally oriented fiber layers. Each of the fiber layers is in a resin matrix and the fibers comprise high tenacity fibers. The fibers in the two fiber layers
8007202 Protective marine barrier system August 30, 2011
A system to protect structures in a marine environment from the effects of an impact force. The system includes a plurality of floatable devices (panels) and a plurality of fibrous networks. The fibrous networks include high tenacity fibers which extend at least in a generally horizo
7994074 Composite ballistic fabric structures August 9, 2011
A multilayered composite fabric which comprises (a) a first fabric comprising non-woven unidirectionally oriented fibers in a first resin matrix, the fibers comprising high tenacity fibers, the first fabric comprising first and second surfaces; and (b) a second fabric comprising mult
7993478 Method to apply multiple coatings to a fiber web August 9, 2011
A method for applying multiple polymeric coatings onto a fibrous substrate. More particularly, a method for applying multiple polymeric coatings onto fibrous substrates without regard to chemical or physical incompatibilities of the polymeric coating materials. A first polymeric mate
7964518 Enhanced ballistic performance of polymer fibers June 21, 2011
Ballistic resistant materials having improved strength and lighter weights. More particularly, improved ballistic resistant fabrics produced from drawn, high modulus fibers having a reduced fiber diameter and improved physical strength properties, without changing other properties su
7930966 Spaced lightweight composite armor April 26, 2011
Lightweight, ballistic resistant articles are provided. More particularly, armor structures incorporating two or more spaced apart, ballistic resistant panels, having superior impact and ballistic performance at a light weight. The panels are spaced by air or by an intermediate mater
7919418 High performance ballistic composites having improved flexibility and method of making the same April 5, 2011
A composite material which has excellent ballistic performance and has improved flexibility. Surprisingly, it has been found that a combination of poly(alpha-olefin) fiber and matrix resin provides these desirable product features. The resin matrix is a block copolymer of a conjugated
7910502 Liquid submersion ballistic performance through hybridization March 22, 2011
Ballistic resistant articles having excellent resistance to deterioration due to liquid exposure. More particularly, a ballistic resistant structures and articles formed from a hybrid of woven and non-woven fibrous components that retain their superior ballistic resistance performanc
7875563 Method to create an environmentally resistant soft armor composite January 25, 2011
Fibrous substrates and articles that retain their superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The fibrous substrates are coated with a multilayer polymeric coating inc
7858540 Environmentally resistant ballistic composite based on a nitrile rubber binder December 28, 2010
Ballistic resistant fabrics and articles that retain superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products. The fabrics are formed from high performance fibers coated with a nitrile
7858180 High tenacity polyolefin ropes having improved strength December 28, 2010
A rope comprising a plurality of high tenacity polyolefin yarns aligned in a substantially uniaxial direction along the length of the rope. The rope yarns are substantially untwisted and are substantially parallel to each other. The yarns are formed from a plurality of fibers aligned in
7762175 Spaced lightweight composite armor July 27, 2010
Lightweight, ballistic resistant articles are provided. More particularly, armor structures incorporating two or more spaced apart, ballistic resistant panels, having superior impact and ballistic performance at a light weight. The panels are spaced by air or by an intermediate mater
7718245 Restrained breast plates, vehicle armored plates and helmets May 18, 2010
Ballistic resistant fabric laminates are provided. More particularly, reinforced, delamination resistant, ballistic resistant composites are provided. The delamination resistant, ballistic resistant materials and articles may be reinforced by various techniques, including stitching one
7687412 Flexible ballistic composites resistant to liquid pick-up method for manufacture and articles ma March 30, 2010
Flexible ballistic resistant composite material that has improved resistance to pick-up of water and other liquids, the composite material comprising a plurality of non-woven fibrous layers. The fibrous layers are formed from a network of high tenacity fibers (aramid fibers, extended
7642206 Ceramic faced ballistic panel construction January 5, 2010
A ballistic resistant panel which is formed from a ceramic layer and a plurality of fibrous backing layers. A first fibrous backing layer is adjacent to the ceramic layer, and a second fibrous backing layer is adjacent to the first fibrous backing layer. Each of the fibrous backing l
7629277 Frag shield December 8, 2009
Fabric laminates having superior resistance to penetration of fragments, such as shrapnel. The fabrics are formed of high-strength fibers consolidated with from about 7% to about 15% by weight of an elastomeric matrix composition, and in combination with protective layers of a polyme
7622405 High performance same fiber composite hybrids by varying resin content only November 24, 2009
Multi-panel ballistic resistant articles formed from woven and/or non-woven fibrous panels, each panel including varying quantities of a polymeric composition based on the total weight of the fibers and the polymeric composition. The hybrid structures provide excellent ballistic pene
7601654 Molded ballistic panel with enhanced structural performance October 13, 2009
Ballistic resistant composites and articles formed therefrom for use in airplanes and other vehicles which meets particular structural, impact and ballistic requirements. An aerospace-specification grade honeycomb is positioned between panels comprising non-woven ballistic resistant
7600537 Reinforced plastic pipe October 13, 2009
Plastic pipes, such as high density polyethylene plastic pipes, useful for distributing natural gas and which have improved impact resistance and burst strength. The plastic pipe has an inner and an outer surface, with the inner surface defining a channel for conveying natural gas and th
7288493 Body armor with improved knife-stab resistance formed from flexible composites October 30, 2007
Flexible body armor formed from flexible composites which have improved knife-stab resistance. The body armor is formed from composites which include layers of a fabric base, formed from high tenacity fibers, and a rubber layer bonded to the fabric base. A thermoplastic bonding layer may
7288307 Hybrid laminated fiber sheets October 30, 2007
Hybrid laminated unidirectional fiber sheets, and assemblies thereof, having utility for impact absorption, ballistic-resistance, penetration-resistance, spall shields, structural composites and for other applications.
6846758 Ballistic fabric laminates January 25, 2005
Woven fabric laminates having superior resistance to penetration by ballistic projectiles, assemblies thereof, and the method by which they are made. In one embodiment, among others, a laminate of the invention is comprised of a fabric woven from a high strength, high modulus yarn, a
6642159 Impact resistant rigid composite and method for manufacture November 4, 2003
An impact resistant rigid composite has a plurality of fibrous layers, each of which comprise a network of filaments. The fibrous layers are disposed in a matrix, with elastomeric layer(s) therebetween. Prior to curing of the matrix, successive fibrous layers exhibit therebetween a peel










 
 
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