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| Number | Title | Issue Date |
| 8143557 | Plane heater To provide a plane heater, including a carbon wire heating element CW, in which surface arrangement density of the heating element CW in an outer area is denser than that in an inner area. A power supply terminal unit having connection wires for supplying electricit... | 03/27/2012 |
| 7910862 | Apparatus and method for manufacturing a semiconductor device with a sapphire substrate A supporting base, including a supporting plate and holders, holds a sapphire substrate so that one substrate surface faces a hot plate and the other substrate surface faces a radiant heat absorbing plate mounted on the supporting plate. Radiant heat from the hot pl... | 03/22/2011 |
| 7800024 | Lithic wireless warming table and portable heaters A method and system for supplying thermal energy to a selected area, in which thermal energy is stored in a sensible heat storage. Thermal energy from the sensible heat storage is optically guided, and eventually also thermally conducted through a thermal energy pro... | 09/21/2010 |
| 7403703 | Radiant electric heater A radiant electric heater (2) comprises a base (8) of insulation material having a surface supporting at least one electric heating ribbon element (10) supported on edge. A rod-like temperature-responsive device (16) extends lengthwise pa... | 07/22/2008 |
| 7388175 | Temperature-limiting device A temperature-limiting device (14) is provided for an electric heater (2), the heater (2) being located behind a heatable surface (4) and comprising a dish-like support (6) having therein at least one electric heating element (1... | 06/17/2008 |
| 7375307 | Glass-ceramic plates, method for making same and cooking surface equipped with same A glass-ceramic plate, a method of manufacturing a glass-ceramic plate, and hubs equipped with the glass-ceramic plate. A flat or substantially flat glass-ceramic plate includes a surface provided with pegs, the plate configured to equip a hob. At least one smooth r... | 05/20/2008 |
| 7354698 | Imprint lithography An imprinting method is disclosed which involves irradiating a photo-curable imprintable medium in a flowable state on a substrate with radiation to initiate curing of the medium, after the irradiating, contacting the medium with a template to form an imprint in the... | 04/08/2008 |
| 7342205 | Apparatus and method for controlling an electric heating assembly In apparatus and a method for providing electronic control of an electric heating assembly, a radiant electric heater (10, 110) is arranged at a lower surface (22, 124) of a glass-ceramic cooking plate (12, 112), the plate having an upper surfac... | 03/11/2008 |
| 7332694 | Heating resistances and heaters A heating resistance 1 comprises a shaped body of a band made of a conductive material obtained by bending the band in a shape of a wave. The heating resistance 1 is fixed to a substrate made of an insulating material to obtain a heater. Alternatively,... | 02/19/2008 |
| 7288749 | Electrical heating device and method of its manufacture An electric heating device based on a ribbon of crystalline metal foil with high specific resistance, which is additionally treated to increase its plasticity and/or additionally coated with a mold release agent to enhance compatibility of the ribbon and insulating ... | 10/30/2007 |
| 7218847 | Heating unit for heating a workpiece with light-absorbing heat conducting layer A heating unit heats a work piece 6 by heat conduction from a heat conducting plate 4 on which light from a light source 1 is irradiated, wherein the heat conducting plate 4 comprises a holding member 2 having optical transparency,... | 05/15/2007 |
| 7214909 | Temperature sensor A sensor positioned between a heat source and a heating area in parallel relationship to the heating area, for determining a mean value of the temperature of the heating area, includes a ceramic element, and a temperature-dependent resistor web attached to the ceram... | 05/08/2007 |
| 7208703 | Cooking top plate A substrate is made of a crystallized glass having translucency and an average linear thermal expansion coefficient of −5×10−7/° C. at 30 to 500° C. The substrate has a first surface (working surface) of a smooth surface having a surface roughness ... | 04/24/2007 |
| 7193192 | Temperature-responsive device A temperature-responsive device (14) is provided for an electric heater (2). The heater (2) is located behind a heatable surface and comprises a dish-like support (6) having therein at least one electric heating element (12) having... | 03/20/2007 |
| 7183522 | Corrugated electric heating element and related radiant hotplate An electric radiant hotplate includes a base of electrically insulating material and a peripheral crown extending along the outer rim of the base and projecting upwards. A strip of resistive material is inserted in the base and is formed by a sequence of planar leng... | 02/27/2007 |
| 7164101 | Electric heating assembly An electric heating assembly includes a cooking plate (4) having a lower surface (6) relative to which is supported an electric heater (10) and an upper surface (8) adapted to receive a cooking utensil (12) on a heating zone (14... | 01/16/2007 |
| 7148452 | Heat sink for printed circuit board components The present invention provides a heat sink for cooling a component. The component may be one of several components on a circuit board. The heat sink includes a tubular body and a plurality of internal fins. The tubular body has an interior surface and an exterior su... | 12/12/2006 |
| 7132626 | Radiant electric heater A radiant electric heater includes at least first (7) and second (11) adjacent heating zones. The first heating zone (7) includes a first heating element portion (5) and the second heating zone includes a second heating element portion ( | 11/07/2006 |
| 7105232 | Glass ceramic or glass cook top with an IR-permeable undercoat The cook top has a transparent, colorless glass ceramic or glass panel providing a cooking surface, which is made from pre-stressed special glass, and an IR-permeable undercoat on the underside of the panel, which is a heat-resistant inorganic enamel paint. In order... | 09/12/2006 |
| 7087866 | Radiant heater in a cooking hob with a thermal switch The electric radiant heater (1) adapted to a cooking hob is attached to the cooking plate (2a) forming with it an air cavity (13) inside which the extended heating resistor (5) is housed on an insulating base (4). A peripher... | 08/08/2006 |
| 7075039 | Radiant heater for a cooker, with a moulded insulating base The radiant heater (1) adapted to a warmer type electric cooking plate (2) comprises an insulating base (4) supporting a heating resistor (5) resting on a central area (4a) fixed by means of metal staples (11) inserte... | 07/11/2006 |
| 7057139 | Electric heating assembly An electric heating assembly comprises a plate (2) having a front face (4) and a rear face (10), and at least one electric heater unit (8) located at the rear face (10) of the plate (2). The electric heater unit (8) i... | 06/06/2006 |
| 7041942 | Heating plate assembly for a cooking appliance A heating assembly is provided for heating objects, for example, food items, that comprises a substrate attached to an insulating frame, which may optionally be attached to a metal pan. The complete assembly is attached to a cooking appliance. The substrate may take... | 05/09/2006 |
| 7030342 | Electrical heating assembly An electrical heating assembly (2) comprises a glass-ceramic cooking plate (4) having an upper surface (6) for receiving a cooking vessel (8) and a lower surface (10). A radiant electric heater (12) incorporating at least on... | 04/18/2006 |
| 7009150 | Cooking unit with a glass-ceramic or glass panel made of transparent colorless material and provided with an IR permeable solid colored underside coating The cooking unit has a glass-ceramic panel (1) providing a cooking surface, which is made of transparent colorless glass-ceramic bulk material or a glass panel made of pre-stressed transparent colorless glass material. Radiant heating elements (3) are ... | 03/07/2006 |
| 7009151 | Mounting structure of heating element A mounting structure of a heating element is provided. The structure includes: a heater supporting bracket that is interposed between a radiant heating element and a supporting panel and whose one side is fixed by a screw and whose other side is elastically supporte... | 03/07/2006 |
| 6998582 | Cooking apparatus An open-air cooking apparatus for cooking pizza and the like, includes a horizontal, rotatable, circular turntable cooking surface, sized to support and cook several items simultaneously. The turntable should preferably structured to provide constant, even heat thro... | 02/14/2006 |
| 6995343 | Method and device for limiting and/or controlling the surface temperature of a hob A method and device for limiting and/or controlling the surface temperature of a hob having a ceramic cooking surface. The hob is heated by an energy source which includes a temperature limiter with a variable switching temperature. The switching temperature of the ... | 02/07/2006 |
| 6967312 | Semiconductor manufacturing/testing ceramic heater, production method for the ceramic heater and production system for the ceramic heater A process for producing a ceramic heater includes forming a resistance heating element on a surface of a ceramic substrate. The resistance heating element is divided into plural sections. Resistivities of the plural sections are measured, respectively. Each of the p... | 11/22/2005 |
| 6949720 | Bottom electric heating element system for ovens A bottom electric heating element for an oven wherein the electric heating element is positioned in a recessed portion in the oven bottom and has at least one corrugated ribbon of conductive material partially embedded in an insulating base. A glass panel is positio... | 09/27/2005 |
| 6940048 | Radiant electric heater incorporating a temperature sensor assembly A radiant electric heater (2) is arranged for location underneath and against a cooking plate (12) and incorporates a heating element (14) spaced from the cooking plate and a temperature sensor assembly (26). The temperature sensor assembly (26) comprises a beam (28... | 09/06/2005 |
| 6914223 | Cook-top The cook top is divided into at least one cold zone and cooking zones heatable by radiant heating elements under the cooking zones. The cook top includes a transparent, colorless glass ceramic or glass plate and a non-ceramic underside layer or layers on the undersi... | 07/05/2005 |
| 6904378 | Method for measuring the temperature of a metal saucepan A method for measuring the temperature of a cooking vessel or saucepan using a radiant heater. The radiant heater has a heating coil with a corresponding control and an induction coil as an inductive sensor and which is located in a metal tray. With the inductive se... | 06/07/2005 |
| 6897414 | Ceramic heater for semiconductor manufacturing/testing apparatus A ceramic beater for a semiconductor producing/examining device having a resistance heating element superior in adhesion to a substrate. The ceramic heater includes a ceramic substrate and a resistance heating element formed on the surface of the ceramic substrate. ... | 05/24/2005 |
| 6888107 | One-piece burner element/switch support for a cooktop A cooktop includes a frame including a central web portion having a plurality of burner openings adapted to receive a plurality of burner elements, a control opening adapted to receive a control element assembly, and a cooking panel. More specifically, each of the p... | 05/03/2005 |
| 6753509 | Cooktop with temperature sensor In a cooktop with a cooktop plate, in particular, made from glass ceramic, beneath which at least one heating element is disposed, for heating a cooking vessel to be placed on the cooktop plate, and having a temperature sensor for recording the temperature of the co... | 06/22/2004 |
| 6660980 | Top plate for cooking device having electromagnetic-induction heating unit A top plate is provided for use in a cooking device having an induction heater alone or an infrared heater in addition, which comprises a transparent crystallized glass plate, a light-shading film on a bottom surface of the glass plate and an ornamental f... | 12/09/2003 |
| 6621054 | Modular hot plates The invention discloses a hot plate unit having an outer housing, at least one inner housing within said outer housing, at least one ribbon or radiant heating element within said at least one inner housing, an insulating means around at least one of said ... | 09/16/2003 |
| 6614007 | Griddle plate with infrared heating element A cooking appliance for grilling food products has a griddle plate and a heating assembly that contains a non-contact infrared heating element to achieve uniform plate temperatures, fast initial warming times and fast recovery times. The heating element i... | 09/02/2003 |
| 6603100 | Radiant electric heater A radiant electric heater (2) comprises a dish-like support (6) having a base layer (8) of thermal insulation material. At least one heating element (10) is supported relative to the base layer. A temperature-responsive device (16) has a rod-like componen... | 08/05/2003 |
