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6861622 Negative temperature coefficient thermistor and method for manufacturing the same  
A negative temperature coefficient thermistor includes a thermistor element containing a transition metal oxide as a main component; internal electrodes disposed in the thermistor element; and...
6852951 Heating apparatus and system using such apparatus  
Heating apparatus comprising a body of conducting material having oppositely directed surfaces extending between the edges, a channel formed one of the surfaces and defined by a pair of walls...
6844531 Conduit ready electric belly-band heater and method of use  
An electric belly-band heater includes at least one conduit fitting housing. The housing is located on the heater to surround one or more lead wires and provide a securement point for a conduit...
6838647 Flexible heating element  
A surface-heating element for a curved surface and method of producing a heating element is provided. The heating element includes a continuous, planar conductor arranged along a longitudinal axis...
6805167 Fluid conduit  
A fluid conduit has a peripheral wall defining a fluid passage extending along a longitudinal access. A heating element is located in contact with the peripheral wall and extending parallel to the...
6803545 Electrically heated smoking system and methods for supplying electrical power from a lithium ion power source  
An electrically heating smoking system wherein tobacco smoke is generated by heating a portion of a cigarette with an electrical resistance heating element powered by lithium ion battery cells. The...
6794609 Prosthetic device for use with touch-screen displays  
Representative embodiments provide for a prosthetic device, including a pointer region, an electrically conductive touch pad supported by the pointer region and configured for selectively...
6787740 Integrally bladed rotor airfoil fabrication and repair techniques  
The present invention relates to a method for fabricating an integrally bladed rotor which comprises providing a hub section, preferably formed from a titanium based alloy, and welding an airfoil,...
6781099 Electrofusion socket forming system  
An electrofusion joint assembly includes a meltable member, such as a pipe or fitting, and a heating element secured to the pipe or fitting. The pipe or fitting may be tapered to facilitate...
6762396 Deposited resistive coatings  
The present invention involves coatings deposited on a substrate including a layer having a selected resistivity. The resistive layer can serve as a heat source in a variety of applications and can...
6747251 Fast response heater for a glue gun  
A heating system for a hand-held glue gun has a low-mass melting chamber, high-power resistance heating element, and thermostat ( 24 ). The heating element is arranged between the chamber and...
6740856 Preformed heating element and method of making  
In one embodiment of the present disclosure a preformed heating member is disclosed, the preformed heating element comprising: a first layer having a conductive layer for receiving an electrical...
6730883 Flexible heating cover assembly for thermal cycling of samples of biological material  
A flexible heating cover assembly for an apparatus for heating samples of biological material with substantial temperature uniformity includes a housing having a plurality of engageable enclosure...
6710312 Heating jacket assembly with field replaceable thermostat  
A heating jacket for use on a processing vessel includes a flexible heater jacket having a plurality of layers, a flexible heating element positioned within the layers, and a thermostat positioned...
6703588 Compact, thermally stabilized housing for planar lightguide circuits  
A housing is provided for maintaining a planar lightguide circuit at a temperature within a predetermined temperature range independent of ambient temperature. The housing includes a planar heating...
6703593 Low and high voltage electrical heating devices  
A low-voltage self-regulating heating device ( 200 ) for operation with supply voltages in the range of 0.1-12 volts having first and second layers ( 104, 106 ) of material, at least one of which...
6683283 Apparatus and method for heating injection molding fluid  
A heater assembly for mounting around a fluid flow channel in an injection molding apparatus, the heater assembly comprising: an inner tube comprising a first heat conductive material having a...
6680464 Electrofusion joining control device  
A piping system that includes a plurality of pipe made of thermoplastic material, a coupling and an arrangement for securing the pipe to the coupling. The coupling is configured so that either a...
6651699 Liner for branch pipe of old repaired pipe and lining system and method for such liner  
A liner for a branch pipe of an old repaired pipe lined with a polyethylene liner, the liner comprising: a branch pipe portion made of a tubular body, the branch pipe portion being insertable into...
6590189 Method of measuring a welding voltage at a heating coil of a heating coil fitting and a heating coil welding apparatus  
In a method and apparatus for measuring the welding voltage at the heating coil of a heating coil fitting a welding current supply unit is connected to the connecting elements of the heating coil...
6580061 Durable, non-reactive, resistive-film heater  
A heater for fluids, the heater comprising a conduit having a wall and a surface, the conduit being configured to convey a fluid. In one arrangement, the conduit surface is roughened to...
6570140 Device for heating shrinkable sleeves  
A resistance element ( 19 ) for a device for shrinking shrinkable sleeves comprises an elongate electrical conductor extending in a zigzag pattern and bent to a tunnel shape. The shrinkable sleeve...
6509552 Temperature-controlled steering wheel  
A temperature-controlled steering wheel for heating and cooling the user's hands while steering a vehicle. The temperature-controlled steering wheel includes a steering wheel member having an...
6492629 Electrical heating devices and resettable fuses  
A heating element ( 10 ) having a first bus wire ( 12 ) and a second bus wire ( 14 ) and a plurality of flexible heating wires ( 16 ) which are connected between the first and second bus wires (...
6492626 Method and system for regulating a temperature of coupling formations  
A method for regulating a coupling formation includes sensing a temperature of a coupling with a non-contact sensor and sending the temperature to a control unit that regulates the temperature of...
6441352 Apparatus for electrically heat welding thermoplastic fittings and method of using the same  
A method and apparatus for electrically heat welding a thermoplastic electrofusion fitting having an electrically resistive element disposed therein, whereby a regulated quantity of electric power...
6423943 Connecting clamp, connecting apparatus and connecting method  
A connecting clamp includes a heating member which surrounds a portion to be connected of a steel pipe and heats the portion to be connected, and a first clamp section and second clamp section...
6407370 Regulated electro-welding device  
An electro-welding device for electrically welding plastic elements together, comprising: a power source for having an AC current in circulation, an electrical converter AC/DC, heating means...
6392196 Thermal earmuff  
A thermal earmuff includes an inner cover having a circular partition formed with a first circular recess at one side thereof and a second circular recess at another side thereof, a circular member...
6353211 Electric heating device  
An electric heating device includes a heating member, a closure unit and an electric wire unit. The heating member is formed as a flexible sheet with opposite first and second end portions. The...
6331698 Thermoweldable clip for conduits  
A thermoweldable clip for a weldable conduit has two shells surrounding the conduit when in use. The shells have facing longitudinal flanges and are connected to one another under pressure. The...
6316751 Apparatus for forming field joints on plastic coated pipe  
A system and apparatus for and method of fusing a wrap to a portion of a length of plastic-coated pipe are disclosed. The system comprises a thermoplastic piece shaped to conform to the portion of...
6305423 Thermoplastic or thermoset pipes including conductive textile reinforcements for heating and leak detection purposes  
Novel thermoplastic pipes which can withstand internally generated and/or applied pressures for utilization within, primarily, underground liquid and gas transport systems are provided. Such pipes...
6307186 Hydrocolloid processing module  
The invention concerns a device for preparing hydrocolloids comprising means heating a container containing a hydrocolloid. The heating means consist of preferably low-power ceramic resistors,...
6296007 Heated valve for operation in freezing conditions  
A fluid control valve which comprises a valve body structure having a fluid flow passage therethrough and a first sealing surface means and a closure structure for controlling the fluid flow...
6278091 Removable cloth sleeve with incorporated heating coil  
A removable cloth sleeve with incorporated heating coil including a heating element wrappedly engaging a bottle of lotion. The heating element is comprised of an interior heating pad. The interior...
6274073 Process for producing a pipe fitting consisting of thermally weldable material  
A process for producing a pipe fitting of thermally weldable material for attachment to or repair of conduits of thermally weldable material. The first injection mold has channels formed as...
6252210 Electrical sleeve heater with built-in thermal sensor  
An electrical sleeve heater has an inner tube centered on an axis and formed with an axially extending and radially inwardly open cutout open at an axial end of the tube, an electrical heater coil...
6242712 Air heater with perforated resistance element  
A heater for heating air in an intake passage of an internal combustion engine. The heater includes a heating element coupled to a first holder and a second holder. The heating element has a...
6236026 Device for welding an accessory on a pipe by means of electrical heating elements integrated in said accessory  
A device is disclosed for welding an accessory of thermoplastic material to a pipe or to two pipes of thermoplastic material to be connected to one another. The accessory has at least two segments...
6229122 Method and device for establishing a weld connection between two plastic articles by means of heat treatment  
A method is disclosed for establishing heat treatment of a weld or glue connection between two mutually adjacent surfaces of components, for instance tubes, using respectively an adhesive material,...
6222165 Electrical sleeve heater  
A sleeve heater is made by first cutting in one face of a flat metal plate a continuous groove and then fitting to the groove a heater wire with at least one end of the wire projecting past an edge...
6215107 Heating coil fitting with shrunk-on cover and process for same  
A heating coil fitting for connecting at least two installation elements with a fitting pipe which overlaps the installation elements. The fitting pipe has a first material which breaks down during...
6198081 Welding sleeve of thermoplastic material with indicator  
A shaped part formed as a welding sleeve, consisting of thermoplastic material with a resistance wire winding arranged on its inner circumference, having at least one weld indicator. The indicator...
6180930 Heater with enclosing envelope  
A heater with an enclosing envelope to enhance safety, has a plate-shaped heating body made of a ceramic resistor, two conductive plates attached on the plate-shaped heating body, and at least one...
6177658 Thermal filter blanket  
An electric blanket that can be wrapped around the fuel filter and powered by the automotive vehicle battery by means of a cigarette lighter adapter.
6163016 Heater clamp  
A low profile heater for plastic injection molding equipment nozzles utilizes forces provided to the axially ends of a tube portion to radially compress the tube portion onto a coiled heater...
6156144 Method for fusion jointing of plastic pipes  
A process for fusion jointing or joining of pipe sections includes the steps of covering planed ends of the pipe pieces with an electric socket. The electric socket has a heating device disposed...
6149756 Method for joining plastic pipes, a joint ring used in the joining and a pipe joint provided with the method  
A method for joining a first tubular member to a second tubular member. The method provides a stretchable and compressible welding ring having a flexible inner ring, a resistance coil wound around...
6147331 Band heater  
A band heater includes a shoe assembly comprising a plurality of arcuate shoe segments each having a pair of outwardly-projecting extensions and a channel segment formed between the extensions. A...