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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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7388176 |
Heating device with thin heating boards
A heating device includes a case having a plurality of openings and a plurality of slits are defined in bars of the case so that a plurality of heating boards are engaged with the slits of the case...
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7190887 |
Portable thermal-stratifying space heater and powerplant package
A portable room heater is provided comprising an upright enclosure defining an inlet at a lower end of the enclosure, an outlet at an upper end of the enclosure, and a passageway fluidly connecting...
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7180039 |
Heater with burnout protection
A heater is provided that has a temperature sensing control system which can be used for both temperature control and over-temperature protection against element burnout. The temperature control...
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7158716 |
Portable pedestal electric heater
A portable pedestal electric heater apparatus for providing a heated exhaust air stream at an elevation above a support surface comprises a tower electric heater and a support riser for supporting...
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7013079 |
Hybrid hot air heater
In a hybrid hot air heater according to the present invention, a chassis having first and second outlets 13 on its front face and first and second inlets 12 on its rear face incorporates...
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6973260 |
Portable electric heater with vertical heated air outlet
A portable electric heater producing a vertically oriented, heated exhaust air stream at an elevation above a support surface is provided. A base contacting the support surface and supporting an...
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6959144 |
Air heater with expansion containing electric heater arranged in stages
Providing a hot air heater and an expansion in the air blowing passage of the hot air heater and suppressing increases in air trunk resistance even if electric heaters are arranged in this...
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6907192 |
Hybrid hotair heater
If both the electric heaters and combustion heaters constitute a hybrid type hot-air heater wherein both heaters are equipped with inlets adjacent to each other and are also housed within a frame...
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6760543 |
Heated air circulator with uniform exhaust airflow
An apparatus for providing thermal energy comprising a housing defining a first interior space and a second interior space; at least one electric heating element positioned within the first...
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6674049 |
Storage drum heater
A storage drum heater has an elongated housing and is typically used in a vertical orientation between storage drums arranged on a pallet. In one embodiment, the housing has closed ends and...
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6610082 |
Electric fan with far infrared ray lamp
Disclosed is an electric fan including a driving motor, a blower fan unit, and front and rear safety nets. A far infrared ray lamp part including a socket and a far infrared ray lamp is positioned...
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6480672 |
Flat panel heater
A heater includes a housing having an outer surface and sidewalls defining an interior space that holds a heating element. The heater further includes a heating element having a lower portion and...
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6466737 |
Portable electric space heater
A method and apparatus for conditioning air includes conditioning units that are removably attached together. The conditioning units may be separated from each other and individually perform...
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6381407 |
Lamp heat generating apparatus
The present invention relates to a heat generating apparatus for a heater, and an object thereof is to provide the heat generating apparatus, which the durability of a heating element and a heating...
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6321033 |
Tamper resistant electrical environmentally conditioning device
A portable electric appliance including a housing defining an air inlet, an air outlet and an air flow path therebetween; a conditioner disposed in the air flow path and operable to condition air...
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6289175 |
Independently operating portable radiator
A portable radiator has a radiator body whose radiating members are defined by first and second metal plates which together define central portions in which a heating fluid is displaced...
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6280211 |
Wall mounted heater fan with electrical outlet
An electrical appliance has a plug receptor to receive the plug of another appliance such that both appliances can draw power from a single electrical outlet. The appliance of the present invention...
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6222987 |
Pizza box heater, components therefor and method
A pizza box delivery bag has disposed therein a flat container with a heater and fan within an insulating enclosure connected to an electrical outlet for the bag. The plug used for the connection...
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6167193 |
Portable electric heater with digital display
A portable electrical heater including a portable housing defining an air inlet, an air outlet, and an air flow path therebetween; a blower for circulating air through the air flow path; an...
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6141495 |
Portable flue heater to reduce or eliminate downdrafts
A flue heater is detachably secured to the flue of a chimney. The flue heater uses an electrical power source to create heat and direct the heated air into the lower portion of a flue. The device...
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6091888 |
Portable environmental conditioning device with presence detector responsive shutoff
An appliance includes a housing defining an air inlet and an air outlet facing opposite to the air inlet, an inlet detector for detecting objects in an inlet zone projecting away from the inlet and...
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5943470 |
Low-voltage generation in mains-powered hot-air appliances having a fan motor
A hot-air appliance comprises a fan motor connected in series with a heating element to receive a.c. mains voltage. The alternating voltage across the motor is rectified and serves to power...
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5889260 |
Electrical PTC heating device
An electrical heating device employing positive temperature coefficient (PTC) thermistors as heating elements, which provides direct contact between the thermistor heating elements and the...
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5879516 |
Kugelrohr or distillation apparatus
Improved kugelrohr or apparatus for distilling or separating liquids. It includes a rugged, reliable air oven and drive unit with numerous safety features. One or more external guards eliminate...
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5805767 |
Electronically-controlled heater
A heater, especially a portable electric space heater, that includes safety features selected from at least one of the following, which may turn off the heater or trigger an alarm or both: motion...
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5787228 |
Portable vehicle articulated windshield defroster with heated air-flow and timer
A window defroster for a motor vehicle consists of a plenum with a resistive electrical heater and a blower that draws in cool air and directs it over the heater coils and on to the window to be...
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5781695 |
Remote car heating system with heater remote control sensor removably attached to the rear view mirror
A Remote Car Heating System for heating an interior portion of a vehicle without starting the vehicle. The inventive device includes an electric heater, a pliable mat secured to the electric...
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5641420 |
Electric heater having coil with loop that passes through aperture in support
A heater element assembly for an electric heater, with a first and a second spaced element support. The first spaced element support has a peripheral edge surface and first and second slots...
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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...
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5471763 |
Nozzle attachment for a hair dryer
A nozzle attachment for a hair dryer has a cylindrical element for connecting a flow-directing member to the nozzle of a hair dryer. The flow-directing member deflects the air coming from the hair...
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5414794 |
Quickly-mountable securing structure for electric heating element in a heater fan
A structure for the heating device in a heater fan which can be manufactured quickly and easily and is standardized for mass production consists of a mount which in turn has a rear mesh disk which...
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5377298 |
Cassette PTC semiconductor heating apparatus
A PTC semiconductor heating device includes: two half shells combinable for forming a housing of the semiconductor heating device, a plurality of linear arrays of PTC semiconductor heating elements...
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5361321 |
Portable electric heater deenergized by a tip-over responsive actuator
A portable electric heater including a housing having a rear wall, a substantially planar front wall, a bottom support and a top wall. Retained by the housing are a resistive heating element and an...
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5334818 |
Modular high density electric heating element arrangement for an air flow heater
A heating element for an air flow comprises a channel shaped bracket including a base and side walls at right angles thereto within which is mounted a pair of mica sheets arranged parallel to the...
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5278936 |
Thermostatically controlled portable electric space heater with automatic temperature setback for energy saving
An electrically-powered portable space heater of the type having one or more vertically extending fin-tube heating elements disposed within an elongated housing has a selectively adjustable...
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5259062 |
Air treatment apparatus utilizing interchangeable cartridges
A single device adaptable to alter any one of a variety of air characteristics such as temperature, humidity, ion content, odor, etc. Several interchangeable cartridges are provided. Each cartridge...
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5245691 |
Electric heater circuit
An electric heater circuit for an electric heater includes a set of heater coils for generating heat, a normally closed temperature sensitive switch for deactivating the heater coils when the...
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5243683 |
Laminar streamflow-guided hair dryer with finned PTC heating means
A hair dryer includes a plurality of elongated positive-temperature-coefficient (PTC) semiconductor heating units disposed in transverse side-by-side spaced relation in a linear array in a central...
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5239610 |
Wall mounted plug-in electric space heater with mounting clip for preventing accidental unplugging
An electric heating assembly adapted to be mounted onto and plugged into a wall-mounted electrical outlet includes a heating unit having a plug member an a back wall, thereof which is directly...
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5239163 |
Automobile air heater utilizing PTC tablets adhesively fixed to tubular heat sinks
An electric heater for air supplied to the passenger compartment of an automobile has a plurality of extruded tubular metal members in side-by-side spaced parallel relationship within an open...
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5206476 |
Supplementary automobile duct heater
A supplementary passenger compartment heating assembly for use in conjunction with an automobile HVAC system having a forced air duct opening to the compartment includes a generally rectangular...
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5192853 |
Heating set having positive temperatue coefficient thermistor elements adhesively connected to heat radiator devices
A heating set having a plurality of positive temperature coefficient thermistor heating elements (PTCR pieces) sandwiched between two heat radiating devices made of metal with each of the PTCR...
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5174048 |
Carpet dryer
An improved carpet dryer is disclosed for drying carpets saturated with water. The dryer includes a securing mechanism for maintaining the edge of a carpet on the upper surface of the air outlet...
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5157850 |
Sole dryer
A sole dryer comprising two electric air blowers respectively controlled by two trigger switches to blow heated air currents for drying the soles of the legs placed on a cover thereof, and a...
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5157757 |
Hand held hair dryer with selectively positionable baffle for varying the distribution of air from the dryer
A handheld electrically powered hair dryer includes a main outlet nozzle and secondary air outlets for producing a diffuse distribution of air. A baffle arrangement is moveable between first and...
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5140666 |
Heating apparatus for expanding a cylindrical wall using heated air
An apparatus for heating the inner cylindrical wall of a device, such as a bearing, gear, sprocket, coupling, sleeve, or the like, for expanding the cylindrical wall to facilitate the installation...
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5133042 |
Air treatment apparatus utilizing intercangeable cartidges
A single device adaptable to alter any one of a variety of air characteristics such as temperature, humidity, ion content, odor, etc. Several interchangeable cartridges are provided. Each cartridge...
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5125070 |
PTC heater assembly with securely positioned PTC resistors
A PTC heater for securely positioning resistors is disclosed. The PTC heater has two insulating plates having a plurality of square or rectangular through holes, a conductive position plate having...
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5111527 |
Electric heater with thermistor temperature control
A forced gas electric heater has a serpentine heating element in series with a preheat coil. Gas to be heated first flows through the preheat coil before flowing through the serpentine heating...
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