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| Number | Title | Issue Date |
| 5750964 | Electrical heater of an electrical smoking system A smoking system is provided in which a replaceable cigarette containing tobacco flavor material is electrically heated by a set of electrical heater elements contained within a lighter to evolve tobacco flavors or other components in vapor or aerosol for... | 05/12/1998 |
| 5619612 | Electric air heater with cage-shaped heating element comprised of resistance alloy strips and inclined guide vanes A motor is located in the air inlet area is enclosed in a shock proof housing. The housing is of a cylindrical configuration, comprising a solid rear wall and a front wall which contains air inlet openings small enough to prevent access to the live electr... | 04/08/1997 |
| 5459811 | Metal spray apparatus with a U-shaped electric inlet gas heater and a one-piece electric heater surrounding a nozzle An electrically heated metal spray apparatus is provided with a supersonic nozzle. Molten metal is injected into a gas stream flowing through the nozzle under pressure. By varying the pressure of the injected metal, the droplet can be made in various sele... | 10/17/1995 |
| 5231372 | Method of manufacturing high-voltage and/or high-power thick-film screen-printed cylindrical resistors having small sizes, low voltage coefficients, and low inductance, and resistor thus manufactured A method of making a compact high-voltage, high-power, thick-film screen-printed cylindrical resistor. A V-serpentine pattern is formed and adapted to fit on a cylindrical substrate having a diameter range of about 1/10 inch to about 1/2 inch. Such patter... | 07/27/1993 |
| 4794227 | Electrical resistance heater element for room air heater A resistance heater element for an electric room heater includes a resistive heating conductor (1) supported by an insulating support (2) mounted on the support flange (9) of an electric fan (4) in the heater which passes a stream of room air across the c... | 12/27/1988 |
| 4767914 | Electric hairdryer having a cage-shaped heater element A hair dryer with a frusto-conical casing tapering from a larger rear air inlet end to a smaller air outlet end contains in coaxial alignment therewith in an electric heater element shaped as a cylindrical open-ended cage and an electric motor extending p... | 08/30/1988 |
| 4754124 | Resistance heaters A resistance heater for performing heat treatment of the braze-affected area of a metallic sleeve attached by brazing within and to a metallic tube, comprises a metal tube (10) of which a portion (16) is formed with a spiral groove (11) which penetrates t... | 06/28/1988 |
| 4752670 | Bobbin assembly for a soldering/desoldering device using an etched foil heater A bobbin assembly for a soldering/desoldering device may be readily produced by utilization of a heater assembly comprising an electrically insulating tape having an etched foil heater in the form of serpentine comprising a plurality of coextensive side b... | 06/21/1988 |
| 4748315 | Molecular beam source A molecular beam source suppresses a temperature fall at the opening of a crucible, to make a temperature distribution within the crucible uniform and to prevent the phenomenon of bumping of a source substance, whereby the quality of an evaporated film ca... | 05/31/1988 |
| 4694142 | Electric air heater An electric forced-convection air heater consisting of an axial fan and a cage-shaped resistance heating element mounted up-stream of the fan impeller, which serves to heat the air passing there through and to guide the air stream smoothly to the impeller... | 09/15/1987 |
| 4687911 | Electric furnace heater A generally cylindrical, self-supporting, unitary high-temperature electrical resistance heating element is disclosed. The heating element is composed of a wire grate formed from a plurality of electrically continuous and intersecting wire segments made o... | 08/18/1987 |
| 4641010 | Battery powered electric hair curler An electric hair curler comprises a handle and a barrel connected thereto for winding thereabout the hair. The barrel is provided with an electric heater for curling the hair wound on the barrel. The heater includes a plurality of resistor elements in the... | 02/03/1987 |
| 4641199 | Image reading apparatus An image reading apparatus with plural linear image sensors arranged along the main scanning direction, in which plural markers positioned outside the image area are simultaneously read by the image sensors for facilitating the alignment of the image sens... | 02/03/1987 |
| 4596922 | Heating element An energy efficient heating element (10) is set forth which includes a resistance wire (15). The wire (15) has a diameter at 20° C., d, and has a generally sinuated configuration defining a plurality of loops (30). The wire (15) is bent backwards central... | 06/24/1986 |
| 4558210 | Electric cast-metal heater An electric heater comprising a metal casting having an electric heating element of sinuate shape cast therein. The casting has a plurality of ventilation openings therethrough located between the sinuations of the heating element for permitting air to fl... | 12/10/1985 |
| 4537808 | Electrically conductive composite material An electrically conductive composite material having a copper core and an iron- or nickel-base alloy clad material, with the cross sectional ratio of the clad material to core satisfying the relation 0.1 | 08/27/1985 |
| 4533822 | Heating resistor of single crystal manufacturing apparatus A heating resistor of a single crystal manufacturing apparatus, which comprises a cylindrical side wall portion surrounding a melting pot, a bottom portion supporting the side wall portion, and a plurality of slits formed in the side wall portion and bott... | 08/06/1985 |
| 4503319 | Heater for hot isostatic pressing apparatus A heater for use in the HIP apparatus for treating a work item or work items in a high temperature and pressure gas atmosphere by isostatic application of pressure in a heated condition, the heater including at least one heater assembly unit including a m... | 03/05/1985 |
| 4325049 | Electrode for a liquid rheostat, and a liquid rheostat including such an electrode An electrode for a liquid rheostat comprises a plurality of globally annular elements arranged successively and electrically connected together two at a time. The annular elements progressively decrease in size. The electrode can be formed from a continuo... | 04/13/1982 |
| 4320283 | Blow dryer with heater inside stand A blow dryer has a housing elongated along an axis and formed with a relatively large head and a slender handle. A two-part centrifugal fan having a hollow interior is mounted in the head and is driven by a motor mounted in the handle. A heater is provide... | 03/16/1982 |
| 4272668 | Small round air stream heating unit An electric air stream heater adapted to operate directly on 120 volts with a wattage output of less than 500 watts without the need for any special control module, comprising, a cylindrical heating assembly having at least two spaced apart, parallel elec... | 06/09/1981 |
| 4247842 | Cut-in resistance for motor vehicle heating fans This specification discloses a cut-in resistance for motor vehicle heating fans with a first resistance wire winding which can be cut into an electric fan motor either alone or in series with a second resistance wire winding. The first winding is arranged... | 01/27/1981 |
| 4238636 | Heater for resistance furnaces The present invention relates to a heater, primarily for pressure furnaces for extremely high temperatures for isostatic compression. The resistance elements of the heater are arranged between two metal rings at different levels which are supported by con... | 12/09/1980 |
| 4197448 | Hand-held hair dryer An electric hair dryer having a generally spherical outer housing with an elongated handle extending in one direction, a generally spherical inner housing with an air discharge duct, the inner housing mounted in the outer housing in a first position with ... | 04/08/1980 |
| 4159459 | Non-inductive cylindrical thin film resistor A thin film, cylindrical resistor is disclosed which exhibits non-inductive characteristics and which may be fabricated easily and economically. A cylindrical insulative substrate is provided with electrically conductive termination bands and a thin coati... | 06/26/1979 |
| 4132971 | Noninductive film-type cylindrical resistor and method of making it A highly stable noninductive film-type cylindrical resistor which can be economically mass-produced, with few rejects, even when the film is one having a very high resistance. This is accomplished by providing, in a silk-screened serpentine film pattern, ... | 01/02/1979 |
| 4090061 | Electric air-heater unit utilizing a centrifugal impeller An air heating unit comprises a blower casing, a centrifugal impeller and a heating element in the shape of a cylindrical cage of longitudinal guide vanes fastened to the wall of the casing. The guide vanes are made from an electric resistance alloy in sh... | 05/16/1978 |
| 4070641 | Current limiting circuit breaker An iron wire resistor connected in shunt with the current limiting contacts of a circuit breaker. The current limiting contacts are in series with the main contacts of the breaker, and are separated by extremely high fault currents before the main contact... | 01/24/1978 |
| 4066865 | Portable hair drying appliance and heating element assembly therefor A heater assembly for an electrical appliance such as a portable hair dryer. The heater assembly includes an elongated flexible foil resistance element having opposite longitudinal edge portions mounted on spaced disc support members. T-shaped tabs extend... | 01/03/1978 |
