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| Number | Title | Issue Date |
| 7423242 | Oven for non-metal melting Oven for non-metal melting, in particular silicon melting, with a housing enclosing an interior, at least one mould arranged in the interior for receiving a non-metal melt, at least one electrical heating device enclosing, at least partially, the at least one mould ... | 09/09/2008 |
| 7402779 | Effusion cell and method for use in molecular beam deposition An MBE effusion cell is configured to produce an inverted temperature gradient; that is, the top surface of the melt is not cooler than the bottom surface of the melt. In one embodiment, the MBE effusion cell comprises a crucible having tip, central and base regions... | 07/22/2008 |
| 7390361 | Semiconductor single crystal manufacturing apparatus and graphite crucible A semiconductor single crystal manufacturing apparatus which can manufacture a single crystal of high oxygen concentration to that of low oxygen concentration within a prescribed standard range of oxygen concentration, as a wafer material for semiconductor integrate... | 06/24/2008 |
| 7342206 | Tailored heat transfer layered heater system A tailored heat transfer layered heater system is provided that comprises a target part defining a room temperature periphery and a layered heater disposed around or within the target part, the layered heater comprising a substrate having a room temperature peripher... | 03/11/2008 |
| 7315691 | Wax dispenser for hot wax applications A hot wax dispensing device designed to minimize the risk of cross contamination caused by “double dipping” into a community hot wax pot. This device receives bulk wax, melts the wax, allows the melted hot wax to collect in a bowl that is not directly accessible... | 01/01/2008 |
| 7296707 | Method and apparatus for dispensing a hot-melt adhesive An apparatus and method for dispensing controlled precise amounts of a hot-melt adhesive. A positive displacement dispenser which is mounted on a programmable motion system is connected to a hot-melt cartridge feed assembly by an inlet block. The dispenser, feed ass... | 11/20/2007 |
| 7288744 | Injector for equipment for injection moulding of plastic materials An injector for equipment for injection moulding of plastic materials comprising at least one first heating resistor and at least one second heating resistor, which are controlled independently of one another and of which one is wound on a first area of the body of ... | 10/30/2007 |
| 7241131 | Thick film heater apparatus A thick-film electric heater having thick-film layers applied directly on a thermally conductive non-flat substrate. Preferably, the substrate is cylindrically shaped. A dielectric layer is silk-screened on the substrate surface. A resistive layer is silk-screened o... | 07/10/2007 |
| 7201801 | Heater for manufacturing a crystal The present invention provides a heater for manufacturing a crystal by the Czochralski method comprising at least terminal portions supplied with current and a heat generating portion by resistance heating, and being arranged so as to surround a crucible containing ... | 04/10/2007 |
| 7195739 | Aromatic container heater An aromatic container heater and assembly adapted to enhance the release of desirable scent from an aromatic or fragrant candle by heating the exterior of a candle container and thereby melting the candle to release the desired scent. The heater includes a conductor... | 03/27/2007 |
| 7158718 | Electric heating device An electric heating device especially for fluids, such as liquid fuel, includes a heat element with an electrical resistance. The heat element can be connected to an electrical power source and also includes a carrier element to which en electrically conductive heat... | 01/02/2007 |
| 7145932 | Electric furnace An electric furnace has a furnace wall, a cylindrical spiral member made of a wire of heat resistant material, a part of the cylindrical portion of which being embedded into the furnace wall and the remaining cylindrical portion of which being projected from an inne... | 12/05/2006 |
| 7132628 | Variable watt density layered heater A layered heater is provided with a resistive layer having a resistive circuit pattern, the resistive circuit pattern defining a length and a thickness, wherein the thickness varies along the length of the resistive circuit pattern for a variable watt density. The p... | 11/07/2006 |
| 7121321 | Die-casting machine An injection unit for a hot-chamber die-casting machine has an injection portion with a gooseneck and a nozzle adaptor. The injector portion has a base portion at an end of the gooseneck adapted to receive a molten medium supply. A nozzle at an end of the nozzle ada... | 10/17/2006 |
| 7108438 | Packaging and applicator device for a cosmetic product and/or a beauty care product incorporating a means of heating A packaging and applicator device for a formulation used, for example, for make-up and/or care of keratinic fibers. The device includes a reservoir in which the formulation is placed, and an applicator capable of being loaded with a quantity of the formulation. The ... | 09/19/2006 |
| 7104466 | Injection molding nozzle with mounting sleeve for temperature sensor In an injection molding nozzle comprising a nozzle body including a passage with a nozzle opening, a thermoelement disposed in the nozzle body and a clamping sleeve disposed on the nozzle body and having an internal cavity with an access opening through which the th... | 09/12/2006 |
| 7071449 | Molding system with integrated film heaters and sensors Film heater apparatus and method for heating a melt channel in a molding device includes structure and/or steps whereby a first dielectric layer is disposed on a surface of a substrate. An active heating element is disposed on the first dielectric layer, the active ... | 07/04/2006 |
| 7064303 | Tubular heater and method of manufacture A tubular heater that is manually bendable to fit into a channel comprises a heating element positioned in an insulative material such as magnesium oxide and encased in a continuous inner nickel tubular sheathing. An outer sheathing, in a preferred embodiment, compr... | 06/20/2006 |
| 7049555 | Electrical sleeve heater A sleeve heater has an electrical and generally cylindrical heater coil centered on an axis and shaped to fit over a part to be heated, a radially compressible and generally cylindrical inner sleeve snugly coaxially surrounding the heater coil, and a radially genera... | 05/23/2006 |
| 7040378 | Manifold with film heater The present invention provides improved heated manifolds, heaters and nozzles for injection molding, having a high strength metal skeleton infiltrated with a second phase metal having higher thermal conductivity. Also disclosed is method of forming a manifold, heate... | 05/09/2006 |
| 7038169 | Electric heater for the coupling head of a central buffer coupling The invention relates to a heater for an electric central buffer coupling in which at least one heating element (3) is placed in a recess of the coupling head (1) and is covered toward the outside. To improve the transfer of heat from the heating eleme... | 05/02/2006 |
| 7029260 | Molding apparatus having a film heater Film heater apparatus and method for heating a melt channel in a molding device includes structure and/or steps whereby a first dielectric layer is disposed on a surface of a substrate. An active heating element is disposed on the first dielectric layer, the active ... | 04/18/2006 |
| 7015427 | Apparatus and method for melting and supplying thermoplastic material to a dispenser An apparatus including a tank having at least one side wall for receiving solid or semi-solid thermoplastic material and a base member supporting the side wall(s) for heating and melting the thermoplastic material. The base member has a heated upper surface sloped d... | 03/21/2006 |
| 6935535 | Hot wax dispenser A hot wax storage tank is supported by an arm extending vertically upward from a base. A heating element on the tank heats the wax to its vicious liquid state suitable for application on a client. A conduit connects an outlet in the bottom of the tank to the input o... | 08/30/2005 |
| 6915570 | Resin roller and device and method for manufacturing the resin roller A resin roller (10) is produced by disposing a core body (21) in a forming metal mold (1) having a cylindrical metal mold (13) and core supporting members (14) furnished at both edge parts of the cylindrical metal mold (13) ... | 07/12/2005 |
| 6914168 | Articles for therapeutic paraffin treatment and methods of use A method for providing a paraffin treatment to a patient, including the steps of: (a) melting a paraffin composition to a melted, flowable state; (b) immersing at least a portion of an absorptive strip into the melted paraffin composition so that the strip absorbs s... | 07/05/2005 |
| 6903308 | Vacuum cast ceramic fiber insulated band having heating and cooling elements A ceramic fiber band that can fulfill a plurality of functions in connection with the injection and/or extrusion process of an injection molding or extrusion apparatus (i.e. heat, cool, and insulate), thereby reducing overall energy costs and creating a safer workin... | 06/07/2005 |
| 6897418 | Temperature sensor and heating device for hot runner systems A temperature sensor for use in hot runner systems includes a resistive element which is connectable via contacting means to a control circuit for a heating device and which includes at least one element portion of larger electrical resistance than its remaining por... | 05/24/2005 |
| 6841739 | Flexible circuit board having electrical resistance heater trace A flexible circuit board (20) having a substantially rigid substrate (22) and an electrical resistance heater trace (24). The substantially rigid substrate (22) has a first portion (26), a second portion (28), and a bend reg... | 01/11/2005 |
| 6797925 | Electric heating element for hot runner systems and a method for producing a heating element of this type An electric surface heating element is installed by direct application to the periphery of a cylindrical material pipe (13) of a hot runner nozzle (12). Said surface heating element consists of a ceramic dielectric layer (20) which is directly a... | 09/28/2004 |
| 6758902 | Heater arrangement for crystal growth furnace A furnace for growing a high volume of crystals includes a plurality of individual growth stations and first and second heater matrixes. Each individual growth station has a crucible and an insulating container generally surrounding the crucible and thermally isolat... | 07/06/2004 |
| 6756567 | Paraffin wax warmer bath An apparatus for melting paraffin wax is provided. It includes an integral plastic inner tub attached to an integral aluminum plate holder, each of which has a flat bottom and a sloped wall. A positive temperature coefficient heating element is attached to the flat ... | 06/29/2004 |
| 6747251 | Fast response heater for a glue gun A heating system for a hand-held glue gun has a low-mass melting chamber, high-power resistance heating element, and thermostat (24). The heating element is arranged between the chamber and thermostat (24), so that the thermostat's (24) response... | 06/08/2004 |
| 6683283 | Apparatus and method for heating injection molding fluid A heater assembly for mounting around a fluid flow channel in an injection molding apparatus, the heater assembly comprising: an inner tube comprising a first heat conductive material having a first coefficient of thermal expansion, the inner tube having ... | 01/27/2004 |
| 6680023 | Crucible for molten aluminum A container for molten metal which uses heat of solidification for heating the molten metal.... | 01/20/2004 |
| 6632086 | Quartz fusion crucible A crucible for melting a silica for fusion of said silica into a desired shape. The crucible having a main body with inner and outer surfaces comprised of a refractory material. In addition, at least a portion of the inner surface includes a barrier layer... | 10/14/2003 |
| 6625873 | Method of making an injection molding nozzle with tip insert A method of making a heated injection molding nozzle with an integral tip insert. First, an inner portion, an outer collar portion, and an electrical heating element are made and integrally brazed together in a vacuum furnace using a first nickel alloy br... | 09/30/2003 |
| 6516971 | Apparatus and method of sensing temperature of an electric valve A liquid dispensing unit and method for sensing temperature of an electric valve. In one embodiment, the liquid dispensing unit includes a manifold which has a liquid passageway adapted to connect to a source of heated liquid. An electrically operated dis... | 02/11/2003 |
| 6495804 | Method of and system for heating and cooling an extruder cylinder An extruder cylinder is heated by resistance heaters surrounding cooling coils around respective segments of the extruder cylinder which is subdivided into heating and heating or cooling zones therealong. The rate of flow of the heat-carrier oil in the co... | 12/17/2002 |
| 6486445 | Vacuum cast ceramic fiber insulated band having heating and cooling elements A ceramic fiber band that can fulfill a plurality of functions in connection with the injection and/or extrusion process of an injection molding or extrusion apparatus (i.e. heat, cool, and insulate), thereby reducing overall energy costs and creating a s... | 11/26/2002 |
