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Patent No. 6745394

Ballistic resistant body covering

A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.

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Class 338/280 - Zigzag or sinuous


Subclass of Class 338 - Electrical resistors
Definition: Subject matter wherein the flat ribbon or strip resistance
No. of patents: 65
Last issue date: 04/26/2011


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NumberTitleIssue Date
7932808Load resistor
A high-performance resistor includes resistor elements electrically connected in series and each having a first and second side and a first and second end. At the first end is a first connection and provided at the second end is a second connection for connecting th...
04/26/2011
7288749Electrical heating device and method of its manufacture
An electric heating device based on a ribbon of crystalline metal foil with high specific resistance, which is additionally treated to increase its plasticity and/or additionally coated with a mold release agent to enhance compatibility of the ribbon and insulating ...
10/30/2007
7143766Temperature controlling device for aerosol drug delivery
A portable air temperature controlling device useful for warming air surrounding an aerosolized drug formulation. Warming the air of an aerosol makes it possible to reduce the diameter of aerosol particles produced by an aerosol generation device. Additionally, warm...
12/05/2006
7009146Heat exchanger for heating, and air conditioner for vehicle use
A heat exchanger for heating comprises a plurality of heat transfer plate members (34) arranged in parallel with each other at predetermined intervals; and connecting portions (35, 36) for integrally connecting the plurality of heat transfer plate memb...
03/07/2006
6995978Housing with active external cooling and at least one electronic component with heat-dissipating capacity
An actively externally cooled housing with at least one electronic component having heat-dissipating capacity, has a ventilation inlet located outside the housing, the ventilation inlet generating an airflow that is guided through a lateral flow channel, the flow ch...
02/07/2006
6917278Resistor banks
A Resistor bank has first and second supporting member. Held on to the supporting members is a resistor element comprising a strip of resistor material which is bent into a zigzag shape. The strip is continuous and has a non-planar cross section profile. A plurality...
07/12/2005
6737615Heat conductor coil for heating a flowing gaseous medium and electrical resistance heating element
A heat conductor coil for heating a flowing gaseous medium is configured to be attached to a support configuration and has a heat conductor wound in windings following an ascending line of a coil to form the heat conductor coil, wherein the ascending line of the coi...
05/18/2004
6694975Temperature controlling device for aerosol drug delivery
A portable air temperature controlling device useful for warming air surrounding an aerosolized drug formulation. Warming the air of an aerosol makes it possible to reduce the diameter of aerosol particles produced by an aerosol generation device. Additio...
02/24/2004
6353707Electric heating ribbon with multiple coating sections attached to ribbon
An electric heating device includes a flexible resistor ribbon, a plurality of sections of electroconductive coating attached to the resistor ribbon at preset intervals, and connector contacts coupled to the resistor ribbon for enabling connection of a po...
03/05/2002
6329900Resistor elements
A multielement resistor may be assembled into a matrix from a plurality of resistor elements (12) of a U shape construction. The elements (12) are suspended from their upper portions by connecting brackets (16) which are supported by a supporting frame (1...
12/11/2001
6232869FBT, its bleeder resistor, and device for coupling bleeder resistor
An FBT (fly-back transformer), its bleeder resistor (installed on the top of the FBT), and a device for coupling the bleeder resistor are disclosed. The bleeder resistor 100 is accommodated within a resistor case 180, and the resistor case 180 is installe...
05/15/2001
6184775Surface mount resistor
An improved surface mount resistor and method for making the same includes a body comprised of an elongated strip of electrically resistive material and a resistor terminal formed at each end of the resistive material. The resistive material is machined w...
02/06/2001
6081183Resistor adapted for use in forced ventilation dynamic braking applications
A continuous ribbon resistor element having a plurality of conjunctive lengths alternately connected by reflexes is supported in a frame comprised of silicon bonded laminated mica. The ribbon elements are formed with a single, flat convolution center offs...
06/27/2000
5877674Resistor with elongated resistor element panels
A resistor comprising a substantially continuous resistor element being formed into a plurality of element panels with each panel having at least two holes provided therein. Adjacent element panels are connected in series by a bend in the resistor element...
03/02/1999
5700992Zigzag heating device with downward directed connecting portions
A heating device has a plurality of strip heating portions separated by a plurality of slits. The strip heating portions are connected to one another by connecting portions, thereby forming a heating surface in which a zigzag current path extends. The con...
12/23/1997
5686880Continuous weave resistor grid
A resistor grid assembly has a continuous resistor weave with a plurality of generally parallel, plate-like electrical elements. U-shaped bends join two adjacent elements at adjacent ends. The U-shaped bends are located in a bottom group and a top group. ...
11/11/1997
5671323Zigzag heating device with downward directed connecting portions
A heating device has a plurality of strip heating portions separated by a plurality of slits. The strip heating portions are connected to one another by connecting portions, thereby forming a heating surface in which a zigzag current path extends. The con...
09/23/1997
5641421Amorphous metallic alloy electrical heater systems
An electrical heating system uses heating elements made of ribbons of amorphous metallic alloys. The heating elements have a large area using long and wide ribbons, to achieve good heat transfer to the surroundings, that is low thermal resistance. The are...
06/24/1997
5519191Fluid heater utilizing laminar heating element having conductive layer bonded to flexible ceramic foil substrate
Flow-through fluid heaters useful, e.g., for the preheating of exhaust gas streams prior to catalytic treatment thereof, are made by bonding an electrically conductive metallic film or foil to at least one pre-sintered flexible ceramic foil substrate to p...
05/21/1996
5488334Air-cooled power load
The power loads in certain applications such as dummy antennas must have a substantially constant impedance in a wide band of frequencies. The power load is air-cooled and its resistive element is constituted by the series-connection of resistor modules m...
01/30/1996
5304978Resistor grid assembly having "U" bend resistor elements
A heat dissipating fabricated resistor grid for the dynamic braking of electric motors has a zigzag resistor supported by insulating members within a frame. The zigzag resistor is made up of a plurality of resistor elements formed from sheet metal, each e...
04/19/1994
5281944Slide-in resistor grid
A resistor grid for dynamic braking of diesel electric locomotives has a rigid frame that includes outer metal side pieces and metal dividers within the frame between which are positioned columns of fan-folded resistor ribbon. The dividers carry support p...
01/25/1994
5252943Resistor element whose electrically resistive layer has extension into openings in cylindrical ceramic support
A resistor element including a cylindrical ceramic support having two openings open on longitudinally opposite end faces thereof, an electrically resistive layer formed on an outer circumferential surface, a pair of electrical conductors for connecting th...
10/12/1993
5245310Resistor grid insulator mountings
An improved frame supported resistor grid used for dynamic braking of electric motors is provided. The resistor grid has a metal frame and fan-folded strips of resistance material arranged in columns within the frame. The strips of resistance material are...
09/14/1993
5221917Resistor ribbon for resistor grids
A fan-folded resistor ribbon is provided for use in resistor grids that are used for dynamic braking of diesel electric locomotives. The resistor ribbon is formed, from a continuous strip of resistance material, into flat portions that are connected by se...
06/22/1993
5165052Slide-in resistor grid
A resistor grid for dynamic braking of diesel electric locomotives has a rigid frame comprising outer metal side pieces and metal dividers within the frame between which are positioned columns of fan-folded resistor ribbon. The dividers carry support plat...
11/17/1992
5159310Resistor grid heat dissipating assembly
A heat dissipating resistor grid has a rectangular or annular frame including side members carrying blocks or panels of insulating material having cavities in their inner surfaces. The resistor element is a zigzag strip formed from individual flat lengths...
10/27/1992
5155798Quick-response quartz tube infra-red heater
An infra-red heater for a hybrid oven drying a web with an elongate foil having transverse corrugations heating element within a quartz tube. A thermocouple sensor is used to provide a control signal to a controller to regulate the infra-red output....
10/13/1992
5113049Flexible induction heating coil
A flexible induction heating coil comprising an elongated flexible core having proximal and distal ends. The core includes a plurality of core segments flexibly interconnected to make the core more flexible than the individual core segments. An elongated ...
05/12/1992
5049851Embossed and lanced resistor structure
A resistor grid for dynamic braking and the like has a fan-folded strip of resistance material mounted in a frame. The strip is embossed longitudinally so as to stiffen it between folds or loops and lanced or slit longitudinally between embossments from f...
09/17/1991
5049852Resistor grid heat dissipating assembly
A heat dissipating resistor grid has a frame including side members carrying blocks or panels of insulating material having cavities in their inner surfaces. The resistor element is a zigzag strip formed from individual flat lengths of resistance material...
09/17/1991
5045831Vertical flight resistor grid
A resistor grid suitable for dynamic braking of diesel electric locomotives includes an upright rectangular frame with top and bottom members of insulating material and a strip of resistance material fan-folded into vertical flights between the top and bo...
09/03/1991
4994634Sheet switch
A sheet switch comprises a pair of flexible insulative films, one of which is provided with a plurality of electrodes, resistances connected to the electrodes, respectively, and line patterns for externally connecting the electrodes via the resistances. T...
02/19/1991
4845345Electrical heating element with meander-shaped windings
An electrical heating element with a heat conductor in the form of meander-shaped windings, in which the individual windings are held in openings separated by solid parts in at least one insulating plate. For stabilization, especially with long, narrow de...
07/04/1989
4837549Tapped resistor grid assembly
In the assembly two or more strips of resistance material are positioned edge-to-edge and fan-folded between the side members of a frame. The strips are supported at their loops by insulated fixtures and each has a terminal at each end. The strips are emb...
06/06/1989
4659906Infrared panel emitter and method of producing the same
A nonfocused infrared panel emitter and method of making the same. The panel emitter includes a primary emitter positioned between an insulating layer and a secondary emitter. Preferably, the primary emitter comprises a metal foil having a pattern formed ...
04/21/1987
4651124Frame supported grid resistor
A rigid frame supported resistor for dynamic braking of electric and diesel-electric locomotives has certain of the frame elements cushioned or insulated from each other and the resistance ribbon insulated and cushioned from the frame. Organic insulating ...
03/17/1987
4649368Electrical resistance heating element
A resistance heating element of the ribbon type for use in a high temperature electric furnace. The element has the same curved cross-sectional configuration throughout its entire length to give it strength and stiffness and permits the element to be bent...
03/10/1987
4636615Electrical resistance heating element having a bimetallic protective switch
An electrical radiator, particularly for fan-forced heaters, is provided which includes a resistance heating element disposed on an insulating element connected to the housing of the fan-forced heater. The coil winding of the resistance heating element is...
01/13/1987
4630024Grid resistor and improved grid element therefor
A grid resistor assembly includes a plurality of flat grid resistor elements. Each element includes at least one open-ended loop having side portions and a tip end portion connected together through intervening strip portions of narrower width than the si...
12/16/1986
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