Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 8053709 | Heat and/or light producing unit powered by a lithium secondary cell battery with high charge and discharge rate capability A portable heating or lighting unit may comprise a housing, a handle, a shield or grid, a source of electric energy, a rectifier, an electrical device adapted to use electrical energy from the source of electric energy, and a control system comprising control hardwa... | 11/08/2011 |
| 7355147 | Ice removal for a pond A floating ice removal device with a disk shaped upper cover, a disk shaped lower cover and a heat emitting cup. An electric circuit board is mounted on an inner bottom of the lower cover, and a helical heat emitting wire is mounted on the inner top surface of the u... | 04/08/2008 |
| 7312421 | Detachable heat sealing apparatus A detachable heat sealing apparatus includes a size-adjustable unitary externally-attached electric heating device and a power supplier, wherein the electric heating device is coupled to the external front side of a power supplier holding casing by means of a detach... | 12/25/2007 |
| 7238312 | Method and apparatus for forming apertures in foamed polystyrene and other foamed plastic panels An apparatus is adapted to form a plurality of apertures in a panel made from a meltable foamed plastic material. The apparatus has a movable panel support device for supporting said panel and a heating array. The heating array has a plurality of heating elements mo... | 07/03/2007 |
| 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 |
| 7186958 | Inhaler There is an apparatus having a housing, a heating element, a heating element switch, a heating chamber, a heating chamber cover, and a controller. The housing is handheld. The heating element is disposed within the housing. The heating element switch may be electric... | 03/06/2007 |
| 7175429 | Device for controlling the dispensing of wax for the creation of tracings and moulds in dentistry A device for controlling and dispensing wax for the creation of tracings and moulds comprising a spatula-like tip (3), which is mounted on a hollow handle (4), and a control unit (1). The hollow handle (4) has internally a housing (10 | 02/13/2007 |
| 7137214 | Snow removal machine with system for applying a surface treatment material A snow removal machine including a housing with a forward opening through which snow enters the snow removal machine. At least one rotatable member is positioned and rotatably secured within the housing for engaging and eliminating the snow from within said housing.... | 11/21/2006 |
| 7091450 | Two-circuit grip heater A grip heater has a tubular insulator that is designed to slip over a handlebar and has two interposed pairs of helical recesses. Each pair of helical recesses is formed by two parallel helical grooves and accommodates a heating element; the heating elements can hav... | 08/15/2006 |
| 7084375 | Cookpot The present invention relates to a cooking appliance used for boiling or cooking food, or more particularly, to a cooking pot, which can rapidly heat water or food, and thereafter can suppress overflowing of water or food therein, while simultaneously maintaining it... | 08/01/2006 |
| 7034254 | Heated delivery system A heated delivery system for pizza and the like including a thermally insulated receptacle, an electrical resistance heating unit having a heat storing shell molded from thermosetting resin, and an electrical resistance heating member within the shell, the member ha... | 04/25/2006 |
| 7010997 | Motorcycle grip with grip heater and method of making same A two-wheeler or motorcycle grip has an electric heating element whose supply line is arranged or wound in a spiral shape in the area of the motorcycle grip. The winding axis of the supply line is substantially parallel to the longitudinal axis of the motorcycle gri... | 03/14/2006 |
| 6692692 | Dental drill sterilization through application of high amperage current The present invention involves a sterilization system for running high amperage current through a dental or medical handpiece to be sterilized thereby heating the handpiece to a point of sterilization. The system includes a controller, a high amperage cur... | 02/17/2004 |
| 6686572 | Two-stage heating device for a handle A handle includes a tubular member including two parallel helical recessed portions formed on an outer periphery thereof, a rubber jacket mounted around the tubular member, and two heating coils of different heating efficiency being respectively mounted i... | 02/03/2004 |
| 6654550 | Portable hand held automobile windshield de-icer A hand held device is deployed adjacent to the inside surface of a window so as to remove ice from the outside surface of the window by employing infrared heat energy that melts the ice adjacent to the interface of the ice and the window. As the ice adjac... | 11/25/2003 |
| 6526873 | Convertible household electric cooking appliance A cooking appliance having an upper cooking unit pivotally mounted on a lower cooking unit for rotation substantially about a horizontal axis into three different positions, a first position in which the upper cooking unit is on top of the lower cooking u... | 03/04/2003 |
| 6455812 | Portable flooring removal apparatus The present invention concerns a portable flooring removal apparatus for the removal of flooring material such as tile, linoleum or the like that is secured to the under flooring by adhesive. The apparatus includes a heating element to melt the bonds and ... | 09/24/2002 |
| 6400898 | Wheeled large surface thermographic inspection heating apparatus with uniform heating A heater preferably having a plurality of equally spaced heating elements, such as heating lamps, provides a uniform heat radiation pattern for quickly and uniformly heating a large surface area using motor controlled wheels for translating the heater at ... | 06/04/2002 |
| 6392200 | Wet tissue warmer and tissue lifting plate A wet tissue warmer has a case having an open end, a lid removably put on the case so as to cover the open end of the case and internally provided with a heater, and a lifting plate placed in the case and biased upward. When the lid is closed, a wet tissu... | 05/21/2002 |
| 6353212 | Snow melting attachment for a snow blower A snow melting attachment for a snow blower for preventing the building up of large snow piles includes a housing having a bottom wall and a peripheral wall. The peripheral wall has an upper edge defining an opening extending into the housing. The housing... | 03/05/2002 |
| 6353207 | Expandable chamber having combined occupant support and heating An expandable chamber support system for vehicle seat and mattress applications includes an expandable chamber constructed from facing sheets of flexible impermeable material that are sealed along their marginal edges. An upper one of the sheets is formed... | 03/05/2002 |
| 6331696 | Wet tissue warmer and tissue lifting plate A wet tissue warmer includes: a case (2) having an open end (2a), a lid (3) removably put on the case (2) so as to cover the open end (2a) of the case (2) and internally provided with a heater, and a lifting plate (9) placed in the case (2) and biased upw... | 12/18/2001 |
| 6320161 | Pocket use hand warmer A hand warming device for use in ones jacket or pants pocket, being portable, and having controllable heating. Uses for the device include warming the hand before touching others as in handshakes.... | 11/20/2001 |
| 6170389 | Convertible household electric cooking appliance A cooking appliance having an upper cooking unit pivotally mounted on a lower cooking unit for rotation substantially about a horizontal axis into three different positions, a first position in which the upper cooking unit is on top of the lower cooking u... | 01/09/2001 |
| 6130991 | Convection space heater with interconnected housing segments using hair dryer as heated air source An electric hair dryer is connected to a portable housing having a plurality of angularly adjustable housing segments. The air passes through the segments and out spaced air outlet openings formed in the housing segments.... | 10/10/2000 |
| 6062130 | Convertible household electric cooking appliance A cooking appliance having an upper cooking unit pivotally mounted on a lower cooking unit for rotation substantially about a horizontal axis into three different positions, a first position in which the upper cooking unit is on top of the lower cooking u... | 05/16/2000 |
| 6020575 | Temperature-controlled container with heating means and eutectic pack A temperature-controlled container for transporting biologic tissue and human skin is set out wherein an outer insulated container houses a power source, a thermostat means, a heating means, a power source and interior container along with a retention mea... | 02/01/2000 |
| 6018614 | Portable compressed air heater system A portable compressed air heating system for delivering a flow of heated air directed at a substrate. The system first includes a hot air distribution member for placement in juxtaposition with the substrate and thereafter distributing heated air collecte... | 01/25/2000 |
| 5948299 | Portable snow melting device A snow melter, comprising a melting assembly and a handle assembly. The melting assembly comprises a melting plate which contains an electric heating element. The melting assembly also has a top plate which is made of an insulating material, and a bottom ... | 09/07/1999 |
| 5615604 | Personal cooking appliance A personal cooking appliance including a container having a first recess, a first edge surrounding the recess, a timer mounted on a front side of the container, a switch installed on a front side of the container, a pair of lugs each having an elliptical ... | 04/01/1997 |
| 5525182 | Apparatus and method for wet removal of floor tile An apparatus having a self contained heat source and water supply enables the wet removal of adhesively secured floor tile upon application of heat. The apparatus includes an infrared heater fed by a propane fuel tank and a water supply fed by a pressuriz... | 06/11/1996 |
| 5398974 | Pipe connecting member A pipe connecting member which includes a cylindrical receiving member has a first end and a second end. The first end of the cylindrical receiving member has a fusion part into which an end portion of a resin pipe can be received, and also has a coil bur... | 03/21/1995 |
| 5285050 | Battery-operated portable cigarette lighter with closure actuated switch A flameless portable cigarette lighter includes a hollow housing containing a pair of batteries and having a front wall with an opening sized to allow only the insertion of a cigarette therethrough for contact with a vertically oriented electric resistanc... | 02/08/1994 |
| 5240141 | Hand-held dispenser with pivotal cover for collapsible tubes A dispenser for dispensing material from a collapsible tube includes a housing and a cover connected to the housing by pins that enable movement of the cover in an arc toward and away from the housing in clamshell-like fashion. An inflatable bladder is re... | 08/31/1993 |
| 5235161 | Detachable metallic safety guard for portable electric immersion heater A detachable metallic safety guard for use with a portable electric immersion heater is formed as an endless metallic band defining an open central area for receiving the heating element of the heater with the inner periphery of the band in spaced surroun... | 08/10/1993 |
| 5195164 | Electric heater/blowers with selectively-locked output variable heat and blower controls An electric hot air blower has a casing having a discharge portion containing a heating element and variable speed motor driven air blower and provided with a pistol grip handle for manipulation of hot air blower. A pair of pivotally mounted triggers fron... | 03/16/1993 |
| 5182435 | Electric soldering iron with forked suction pipe for removing soldering smoke and cooling the handle of the soldering iron An electric soldering iron has an elongated hollow handle casing having a tubular hollow holder extending from one end thereof and supporting a soldering bit heated by an electric heater within the holder. A forked suction pipe is secured to the holder an... | 01/26/1993 |
| 5073696 | Electrically heated wax shaping tool A tool for shaping wax and wax-like substances has a handpiece containing an electrical connector for connection to a source of electrical power and an opening in which an electrically heated tool tip is removably mounted for the convenient interchange of... | 12/17/1991 |
| 5034594 | Portable electrically heated seat cushion A seat cushion heated by an electrical resistance heating element sandwiched between two seat cushion sections is covered by a flexible sheet cover integral with two web projections projecting from an edge of the cushion and spaced apart lengthwise of suc... | 07/23/1991 |
| 4888466 | Machine for making hot tea A machine for making hot tea wherein a pressure-resistant container for the supply of water supports or embodies an insulating carrier for one or more thick film conductors. A riser, which can be caused to move up and down relative to the bottom wall of t... | 12/19/1989 |
