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| Number | Title | Issue Date |
| 7258606 | Modular retrofit heating, ventilating and air conditioning system A modular heating, ventilation and air conditioning system including a rectangular sleeve that can be secured through an exterior wall of a building for moving air between an exterior of the building and the interior of the building, an electrical outlet fitted with... | 08/21/2007 |
| 7203416 | Ventilating and heating apparatus with heater shielded by tapered discharge duct The invention provides a ventilating and heating apparatus for installation in a building structure. In some embodiments, the apparatus includes a main housing in which is located a ventilating fan assembly and a heater fan assembly having a heater and a discharge d... | 04/10/2007 |
| 7168917 | Heat-generating blower housing A centrifugal blower for a furnace, heat pump, or other type of air handling unit includes a heat-generating blower housing that heats the airflow as the air passes through the blower housing. In some cases, the housing is made of a thermosetting resin impregnated w... | 01/30/2007 |
| 7149416 | Clothes dryer heater with air flow increasing device adjacent the heating element A heater for a washer-dryer includes a duct in which heating elements for heating the air flowing through the duct are disposed. A device for increasing the airflow in the area of a heating element is provided in the duct to improve the transportation of heat away f... | 12/12/2006 |
| 7039304 | Method and apparatus for a cloth heater A cloth heater and method for using the heater are provided. The heater utilizes a horizontally disposed surface, a heated glass panel, and support members. The horizontally disposed surface may comprise the top edge or surface of the heated glass panel, or a surfac... | 05/02/2006 |
| 7004785 | Cord wrap for clippers A cord wrap for use with a clipper is provided. The cord wrap accommodates a power cord associated with the clipper and has at least one retaining structure for retaining the power cord on the clipper. Provided on the at least one retaining structure is a cord chann... | 02/28/2006 |
| 6917753 | Radiant heater A heater including an electrically insulative panel having a decorative image on a first side and a resistive heating layer on the second side. The resistive heating layer is preferably a graphite containing sol gel material. The invention can also include a surface... | 07/12/2005 |
| 6250372 | Air conditioner An air condition includes a suction grill for sucking the air in a room, a front panel including an inlet port for sucking the air from the suction grill inside and a blowout port for blowing the air out into the room, a heat exchanger for heat exchange o... | 06/26/2001 |
| 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 can be attached to the flue before igniting a fire and remo... | 10/31/2000 |
| 6132310 | Integrated heating and fresh air supply device for use with an air distribution system A ventilation unit for use with a heating or cooling system that is decentralized and does not require large conduits is disclosed. The system includes at least one fresh air intake; a fan operatively connected to the at least one fresh air intake for dra... | 10/17/2000 |
| 5640781 | Apparatus for styling natural and artificial hair A ceiling or wall mounted hair styling unit supplies a user controlled volume of hot and cold air through an extendable, hollow-armed delivery tube to an adjustable nozzle leaving the user's hands free to manipulate hair styling tools. The user controls t... | 06/24/1997 |
| 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 dryer by a certain acute angle. The flow-directing member ... | 12/05/1995 |
| 5333235 | Electric heater assembly for attachment to ceiling fans A heating assembly is provided for attachment to an existing ceiling fan to heat airflow being generated by the fan blades. The heating assembly is adapted to connect to the base of the ceiling fan directly below the blades by means of the centrally locat... | 07/26/1994 |
| 5296678 | Vehicle sun visor having an electric fan and heater assembly for clearing the vehicle windshield The conventional sun visor of a vehicle is provided with a fan system including a heater for defrosting and defogging the vehicle windshield. The fan system includes a fan subassembly body mounted in an opening in the sun visor by a retainer subassembly i... | 03/22/1994 |
| 5245692 | Portable hemispheric electric space heater with circumferential filtered warm air discharge An electric space heater includes a hemispherical enclosure in which is positioned a blower arranged to draw air in through air inlets proximate the pole of the hemisphere for discharge through a plurality of air discharge outlets around the circumference... | 09/14/1993 |
| 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 mateable with a power receptacle of the electrical outlet. The... | 08/24/1993 |
| 5197112 | Fixed volume PTC air heater with heat output adjusted by a damper controlling air flow over the PTC element An electric forced air heating device using PTC elements for heating and having a fixed volume of airflow established by a blower driven at a constant rate. A pair of parallel air paths are established in the device, with one air path having the PTC eleme... | 03/23/1993 |
| 4988847 | Electrically heated air blower unit for defogging bathroom mirrors A device for defogging a wall mounted bathroom mirror includes an elongated housing adjustably suspended above and outwardly of the mirror by a pair of brackets. Ambient air drawn into the housing by a fan is filtered, heated by an electric heating elemen... | 01/29/1991 |
| 4938410 | Soldering apparatus of a reflow type A soldering apparatus of the reflow type contains a preheating chamber and a reflow chamber which are provided with a plurality of heaters for heating printed circuit boards with chips temporarily mounted thereon with solder pastes during conveyance by a ... | 07/03/1990 |
| 4897524 | Portable electric fireplace with simulated chimney flue A portable electric fireplace constructed of lightweight sheet metal has a hollow hearth section, canopy section, and a simulated chimney flue pipe and back plate. The hearth section has a rear wall, side walls, and a front wall with an opening therethrou... | 01/30/1990 |
| 4876435 | Sanitary hand dryer A device which, after washing hands, permits hands to be dried rapidly using hot air directed over, under, and around the hands. The hot air is activated when a hand is placed in position for drying and remains activated until the hand is removed. A touch... | 10/24/1989 |
| 4873422 | Wall mounted heater with plug mount and support A heater assembly is supported by an electrical receptacle mounted in a wall. A cover supports an enclosed heater and a fan forces air into the cover to be discharged into a space. A mount directly supports the cover when mated with the receptacle. To mai... | 10/10/1989 |
| 4785162 | Multiple-function electric dryer having an adjustable position discharge nozzle A multiple-function electric dryer includes a casing having a nozzle extending outwardly through opening formed in the front and bottom walls thereof and arranged for upward and downward angular movement about a horizontal axis within the confines of the ... | 11/15/1988 |
| 4739153 | Wall mounted electric room heater A wall mounted electric room heater includes a wall box adapted to be secured between a pair of wall studs and having an open front and side walls extending from a back wall. A heater/blower assembly carried by a frame is disposed in the box and includes ... | 04/19/1988 |
| 4714194 | Housing for wall mounted heating unit A sheet metal housing for containing a heater unit including an electric resistance heating element and a fan for circulating air through the heating element, and for protectively supporting such a heater unit within the interior space of a vertical build... | 12/22/1987 |
| 4644135 | Wall mounted forced air electric heater An archimedic or logarithmic scroll is used with an axial fan to provide a smooth and relatively quiet air flow over the electric heating elements. Additionally a lip 21 is mounted at the air outlet to prevent heated air from being drawn back through the ... | 02/17/1987 |
| 4523081 | Forced air baseboard heater and air duct diffuser An electric heater adapted to be used as a space heater or to be mounted over the discharge end of a hot air duct to diffuse air flowing into a room from the hot air duct and to heat the air in the room. The electric heater includes a housing adapted to b... | 06/11/1985 |
| 4511786 | Forced air distributor for baseboard heater A forced air distributor for supplying air to an air intake of a baseboard heater which includes a duct assembly enclosing an elongated air passageway and an elongated discharge orifice along the upper portion of the air passageway adjacent to the air int... | 04/16/1985 |
| 4117308 | Explosion-proof electric air heater An electric heater, particularly adapted for supplying heat to hazardous areas where the atmosphere in the area contains particles or fumes that are readily ignited. The heater includes one or more heat radiating members, each cast about a sheathed electr... | 09/26/1978 |
| 4003967 | Electric heating and humidifying apparatus A space heating apparatus comprising a main enclosure having a front and a rear wall, side walls and a top and bottom wall. An air inlet opening is provided in the front wall with a filter removably secured therein. An impeller fan is mounted within the e... | 01/18/1977 |
| 3985295 | Heat collector and diffuser A heat collector and diffuser is disclosed for superimposition over elongated fin tube radiators in building heating systems. Blower means induces airflow across an elongated fin tube heat exchanger and into collector ducts which channel the heated air in... | 10/12/1976 |
