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System for magnetically attaching templeless eyewear to a person
A system of eyewear that eliminates the need for hinges on the frames of the eyewear.
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| Number | Title | Issue Date |
| 8068724 | Forced air heater including on-board source of electric energy A forced-air heater having a self-contained on-board electric-power supply that allows the forced-air heater to operate without an external electric power source; a fuel tank; a combustion chamber; a support; a housing including upper and lower housing portions; a m... | 11/29/2011 |
| 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 at an equal distance. A power control device is connected to the cas... | 06/17/2008 |
| 7347099 | Pressure transducer with external heater An improved pressure transducer is disclosed. The transducer includes a connector, an enclosure, a sensor portion, and an external heater disposed to heat the sensor portion. In some aspects, the sensor portion includes a sensor constructed from a brittle material a... | 03/25/2008 |
| 7326883 | Low noise fan heater A housing and a base formed integrally with the housing or attached thereto. An array of louvres is attached to or formed integrally with the housing. An electric motor-driven fan is located within the housing and blows air toward the louvres. An electric heating el... | 02/05/2008 |
| 7238006 | Multiple impeller fan for a shrouded floor drying fan A method and apparatus for drying floors and carpets using a double impeller fan for generating a pressurized air stream within a vertical cylindrical fan shroud that is spaced two to five inches away from the floor on a set of legs such that an opening is formed be... | 07/03/2007 |
| 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 |
| 7193318 | Multiple power density chip structure A multiple power density packaging structure with two or more semiconductor chips on a common wiring substrate having a common thermal spreader with a planar surface in thermal contact with the non-active surfaces of the chips. The semiconductor chips have different... | 03/20/2007 |
| 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 the inlet and the outlet. The portable room heater further comprises... | 03/13/2007 |
| 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 system is comprised of an inlet temperature sensing assembly positioned... | 02/20/2007 |
| 7177534 | System and method for controlling heating and ventilating systems A system and method for controlling a heating and ventilating system is provided. The method includes determining a demand for heat and creating an air flow. In addition, the method includes sensing an outlet discharge temperature of the air flow and increasing the ... | 02/13/2007 |
| 7175814 | Air disinfecting system and cartridge device containing ultraviolet light A cartridge device containing UVC for air disinfection that comprises individual ultraviolet bulb, HEPA/Carbon filter, LED for detection of replacement, ballast and electrical components; cartridge is plugged into a backplane which allows for easy installation and s... | 02/13/2007 |
| 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 the tower electric heater at an elevation above a support surface. Th... | 01/02/2007 |
| 7143766 | Temperature controlling device for aerosol drug delivery A portable air temperature controlling device useful for warming air surrounding an aerosolized drug formulation. Warming the air of an aerosol makes it possible to reduce the diameter of aerosol particles produced by an aerosol generation device. Additionally, warm... | 12/05/2006 |
| 7133604 | Infrared air heater with multiple light sources and reflective enclosure An air heater is provided for use in buildings or other structures. The air heater uses infrared lamps to generate a temperature rise in a forced air chamber that contains several infrared lamps, in which two ends of the chamber act as an inlet and an outlet, and in... | 11/07/2006 |
| 7088913 | Baseboard/upright heater assembly A multi-purpose electric heater that can be configured as a baseboard heater or an upright heater is provided. The heater preferably includes a pair of elongate housings that are coupled to a base in a manner that allows them to be moved between horizontal and uprig... | 08/08/2006 |
| 7013886 | Plastic shell heater A plastic shell heater utilizing multiple deflectors and vents at the top of interior of a portable heater to direct the heat away from the surface of the heater. This dramatically lowers the temperature of the external surfaces of the heater and allows the use of p... | 03/21/2006 |
| 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 therein a gas heater unit 2 comprised of a gas burner 2... | 03/14/2006 |
| 7003217 | Infrared heating system for patio umbrella The present invention relates to heating systems for umbrella-shaped structures. The heating system may include a shroud or umbrella-shaped structure defining an inner volume, and a plurality of electrical infrared heating elements positioned generally downward faci... | 02/21/2006 |
| 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 elongate housing in a substantially vertical position from the support ... | 12/06/2005 |
| 6966665 | Flameless candle with air intake chamber and air outflow chamber A flameless candle includes a housing, which defines an enclosure. A wall is positioned in the enclosure to form an air intake chamber and an air outflow chamber. At least one opening is in communication with both the ambient air and the air intake chamber. At least... | 11/22/2005 |
| 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 expansion in a plurality of stages prevents increases in the rotation speed o... | 10/25/2005 |
| 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 and separated such that the air blowing systems of each heater are ind... | 06/14/2005 |
| 6882796 | Hybrid hot air heater In a configuration of a hybrid hot air heater in which a gas heater unit 2 and an electric heater unit 3 are incorporated into one chassis at the upper part and lower part, respectively, in such a manner that their respective air-blowing systems may be... | 04/19/2005 |
| 6795643 | Hybrid hotair heater When errors occurred that prevented operation of one heater unit in a conventional hybrid type hotair heater, the heating operation was continued by means of the other heater unit although the user could not immediately recognize that error thereby resulting in the ... | 09/21/2004 |
| 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 interior space; and an air circulator positioned within the second interior ... | 07/06/2004 |
| 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 vertical sides that intersect four vertical, diagonal surfaces at... | 01/06/2004 |
| 6624397 | Electric circuit for portable heater A heater effectively uses a current controlled fan motor in series with a resistance heating arrangement. The fan motor preferably is wound with a gauge of wire to appropriate for the relatively high current provided to the fan motor. This arrangement is ... | 09/23/2003 |
| 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 in front of the blower fan unit. The front and rear safety... | 08/26/2003 |
| 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 an upper portion, where the heating element has differing p... | 11/12/2002 |
| 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 conditioning functions, such as air moving, heating, humidifying... | 10/15/2002 |
| 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 operation/effect are highly increased, and also the conve... | 04/30/2002 |
| 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 in the air flow path; a power source; and an electrical swi... | 11/20/2001 |
| 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 convectively, the radiating members communicating with each other thr... | 09/11/2001 |
| 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 has a cooling fan within the plug for blowing cooling air o... | 04/24/2001 |
| 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 electrically powered heater element disposed in the air flow path... | 12/26/2000 |
| 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 |
| 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 an outlet detector for detecting objects in an outlet zon... | 07/18/2000 |
| 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 additional electronic circuits in the appliance.... | 08/24/1999 |
| 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 radiation units on both sides with no intervening members and whic... | 03/30/1999 |
| 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 burn hazard and risk of accidental contact. A thermal isolati... | 03/09/1999 |
