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Document Title |
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7554063 |
Heating apparatus
A heating apparatus including a housing defining a volume of air therein having an inlet and an outlet aperture. The heating apparatus also includes a heat generator having an elongate tubular...
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6906611 |
Ceramic component comprising an environmentally stable contact system
A ceramic component includes a ceramic body, electrodes applied to the ceramic body, electrical connectors that connect the electrodes with one or both of an external circuit and a voltage source,...
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5994995 |
Laminated chip varistor and production method thereof
A laminated chip varistor has a varistor element including at least one varistor layer and at least two inner electrodes which are laminated alternatively, and outer most layers comprising the same...
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5304977 |
Film-type power resistor combination with anchored exposed substrate/heatsink
The film-type electrical power resistor includes a flat ceramic chip on the upper surface of which is screen-printed a resistive film. Terminals (leads) are mechanically and electrically connected...
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5075665 |
Laminated varistor
Respective first end portions of first and second internal electrodes are exposed at respective end surfaces of a varistor body, which is in the form of a rectangular parallelepiped. These end...
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5066852 |
Thermoplastic end seal for electric heating elements
An electric heating device is disclosed which comprises a generally tubular sheath, an elongated coil of electrical resistance heating wire passing through a portion of the sheath, and a metal...
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5034595 |
Cartridge heater assembly
A cartridge heater, wherein the terminal lead pins which project from the terminal end of the heater at the outer surface of the electrical insulating end plug, are substantially reduced in length...
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4926030 |
End piece for tubular heater
An end piece (1) for a tubular heater (2) has an insulator (10) traversed from the end portion (8) by its connecting member (6) in a passage (16) and substantially completely closing the associated...
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4903001 |
Detecting element using an electrically resistive body, for determining a parameter
A detecting element for determining a parameter, including an electrically resistive body formed on a surface of a support, a conductor electrically connected to the resistive body, and a bonding...
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4766410 |
High-voltage cylindrical film-type resistor and method of making it
A high-voltage cylindrical film-type resistor has cup-shaped end caps that receive the ends of the cylindrical substrate, each end cap having a convexly-radiused rim that has a radius of at least...
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4701599 |
Insulation system of sheathed heating elements
An improved copper sheathed heating element for installation in appliances, such as electric kettles, includes a minor amount of a silicone water-proofing agent admixed with magnesium oxide filler...
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4678890 |
Hermetically sealed metal film resistor
A heat sensitive electrical component is hermetically sealed within a glass sleeve by focusing a laser beam on the circumferential ends of the glass sleeve which abut the side wall edges of metal...
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4586020 |
Sheathed resistance heater
This invention relates to a sheathed resistance heater which comprises a metal pipe (3), a heating wire (2) received in the metal pipe, and an electrically insulating powder (4) filled in the pipe...
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4439667 |
Desoldering device and improved heater assembly therefor
A suction-type desoldering device includes an elongated tubular heater assembly secured to the forward end of a hollow handle by a radial flange on the assembly. A removable solder collecting...
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4417133 |
Fuel tank having an immersion heating element assembly
A fuel tank is provided with an electric immersion heating element assembly directly immersible in the fuel within the tank and resting on the curved tank bottom. The assembly includes an...
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4395623 |
Self-regulating electric heater
A self-regulating electric heater includes a casing made of ceramic and a heating unit housed in the casing. The heating unit includes a PTC body for generating heat when electric current is...
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4346287 |
Electric heater and assembly
An electrical heater comprising a heating element, a sheath surrounding the heating element and spaced therefrom, the sheath having an end spaced from an end of the heating element, electrical...
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4331860 |
Electrical resistance heating element
Electrical resistance heating element comprising at least one heating conductor in the form of an element which is provided at opposite surfaces with an electrical contacting means and is made of a...
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4287502 |
Cartridge heater structure
An elongate, electric resistance heater having a tubular case, a plug in and spaced from one end of the case and elongate, flexible jacketed power lines extending through the plug and axially...
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4282003 |
Method for constructing a self-regulating electric heater
A method of constructing a self-regulating electric heater particularly useful for heating compressor lubricant and the like is disclosed in which a cylindrical body of electrically insulative...
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4270114 |
Energy transmission devices
A device for inclusion in the ignition current circuit of internal combustion engines in which a body of electrically conductive, irregularly shaped metal granules forms a flowpath in the form of a...
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4266992 |
Method for end to end connection of mineral-insulated electric cable and assembly for same
A method of end-to-end connection single- or multi-conductor electric cables having compressed mineral insulation and apparatus for end-to-end connection. The conductive metal sheath and the...
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4251720 |
Heater assembly
A heater assembly for a container such as a cooking vessel includes a heating coil in a tubular heater casing, with a connecting pin member connected to the heating coil and projecting through an...
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4236065 |
Self-regulating electric heater
A self-regulating electric heater particularly useful for heating compressor lubricant and the like is disclosed in which a cylindrical body of electrically insulative ceramic is formed with an...
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4186369 |
Connector for terminating the end of a sheathed heating element
A connector for terminating the end of a sheathed heating element is formed by an elongated body having a cavity at one end. The cavity includes at least one surface having a diameter dimension...
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4178497 |
End seals for electric immersion heating elements
A terminal end seal for a metal-sheathed electric immersion water heating element of a water heating tank includes a plastic sealing plug disposed within a pocket at the end of the sheath in...
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4176336 |
Lacquer-encapsulated carbon film resistor
A lacquer-encapsulated carbon film resistor having a ceramic substrate coated with a carbon film, a silicon nitride layer, an organic lacquer layer and termination electrodes.
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4159458 |
Encapsulated electrically conducting component with reservoir end caps
A component and method for applying end caps thereto is provided. A wire extends within a body defining a body sidewall and oppositely facing body ends with opposite end portions of the wire...
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4117589 |
Method of manufacturing a hermetically sealed electronic component
A method of manufacturing a passive hermetically sealed electronic component having a coupling element of soft alloy material between the component element and the leads for providing strain...
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4100398 |
Laminated electrically heatable window with electrical connectors
A laminated electrically heatable window has a transparent electrically conductive layer embedded in the window to act as a sheet resistor, and conductive bus bars embedded in the window in contact...
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4091267 |
Self-regulating electric heater
A high efficiency, self-regulating temperature-controlling fluid sump heater for external mount or internal well use comprising a D-shaped thermally conductive housing having a chamber therein and...
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4069465 |
Cylindrical varistor and method of making the same
A varistor has a cylindrical core made of a sintered varistor material which includes a longitudinal opening between the core ends. A pair of terminating layers are applied to the core, each...
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4068205 |
Resistance element for a resistance thermometer
There is provided a resistance element comprising a cylindrical carrier body, a rectangular bore therein in the direction of the longitudinal axis, a ceramic plate within said bore and securely...
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4064475 |
Thick film varistor and method of making the same
A thick film varistor comprises a varistor film sandwiched between a pair of electrodes, one of which is in contact with a cylindrical substrate. Alternatively, the electrodes may be positioned on...
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4039996 |
Electric heating elements
An electric heating element, particularly of the cartridge type, comprising two elongated dielectric cores disposed within a metallic sheath. Each core has a plurality of longitudinally extending...
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4039995 |
Electric heating elements
An electric resistance heating element, comprising at least two elongated dielectric bodies, each having a plurality of openings extending longitudinally thereon in radially displaced, parallel...
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4034330 |
Sheath heater
A sheath heater comprises a pipe having two open ends, a pair of electrical terminals connected to a heat radiant body in the pipe, a region of electrically insulating powder having a high melting...
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4016527 |
Hermetically sealed film resistor
A hermetically sealed fixed film resistor including a coupling element of soft alloy material between the resistive element and the leads for providing strain relief. The resistive element is...
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4010440 |
Electrical resistor component assembly which is hermetically sealed
The present hermetically-sealed electrical resistor component assembly is composed of a sleeve of high-density, non-porous, non-hydroscopic material into which there is slip-fitted an electrical...
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3970817 |
Hazardous leakage current preventing for refractory-encased heater elements
Low-level "trickle" electric heater means in diverse forms prevents hygroscopic moisture accumulation adjacent relatively open or exposed ends of refractory-encased conventional electrical heating...
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3940591 |
Self-regulating electric heater
A self-regulating heater comprising a housing having a chamber therein and a heating element in the chamber. The heating element is a self-heating, positive temperature coefficient (PTC) resistor...
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3869691 |
Resistor for power distribution circuits
A surge suppressing resistor is enclosed in an insulating housing. The resistor is wound on a grooved epoxy core and is coated with epoxy. Terminal portions are locked in either end of the core.
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3839623 |
ELECTRIC HEATER WITH ADD-ON LEADS
An electric heater comprising a heater body including a sheath, a heating element within the sheath and at least one terminal extending from one end of the sheath. The heater further comprises an...
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3810068 |
IMPEDANCE ELEMENT WITH MAGNESIUM REACTION TERMINAL CONTACT AND METHOD
An electrical impedance device is hermetically sealed within an encapsulating sleeve while external leads are simultaneously electrically connected thereto. The impedance element is disposed in an...
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3808575 |
CERMET FIXED RESISTOR WITH SOLDERED LEADS
A cermet fixed resistor having a tubular, cylindrical core of insulating ceramic material, a cermet resistive layer on the cylindrical sides of the core, low resistance layers on the core ends that...
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3742422 |
HIGH VOLTAGE RESISTOR
A high voltage electrical resistor comprises a resistive path supported on a dielectric hollow cylindrical substrate, termination means electrically connected to the resistive path, an insulation...
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3694789 |
ELECTRICAL RESISTANCE ELEMENT
This disclosure teaches a new electrical resistance element construction and a method of making same. The elements are commonly used for resistance thermometer construction wherein the electrical...
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3691505 |
HEATER CABLE SPLICE AND METHOD OF FORMING
Moisture resistant splicing of heater cable for subsoil or other high moisture installation and use is provided by progressively exposing the lengths of the surfaces of the superposed layers of the...
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3668598 |
ELECTRIC HEATING ELEMENTS
An electric heating element, particularly a cartridge heater, having leads connected to the resistor for leading current to the latter from a source. Insulator means are held in the end of the...
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3663799 |
FLUOROPLASTIC ENCAPSULATED ELECTRICAL RESISTANCE HEATERS
An electrical resistance immersion heater in which a resistance heater unit including an attached cold extension is encapsulated in a thin fluoroplastic sheathing. The cold extension and heater are...
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