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| Number | Title | Issue Date |
| 8168926 | Heating device A first heating element and a second heating element, which are capable of individually controlling temperatures thereof, are embedded in a ceramic base. Each of the first heating element and the second heating element is formed into a spiral shape so as not to cont... | 05/01/2012 |
| 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 |
| 7279661 | Heating apparatus A heating apparatus for a semiconductor producing system is provided, including a heater having a mounting face, an opposed back face, a first resistance heating element, a second resistance heating element provided along substantially the same plane as the first he... | 10/09/2007 |
| 7257883 | Method and apparatus for manufacturing an electric heater In the manufacture of an electric heater, means (24, 26) is provided for feeding and guiding a ribbon heating element (14) progressively into overlying edgewise relationship with a base (2). Means (6, 8) is provided for supporting the bas... | 08/21/2007 |
| 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 |
| 7148454 | Systems for regulating voltage to an electrical resistance igniter Systems and methods for energizing an electrical resistance igniter include determining the line voltage into the system and controlling the voltage being applied to the electrical resistance igniters so a first voltage is applied initially and for a time period and... | 12/12/2006 |
| 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 |
| 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 |
| 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 |
| 7078655 | Ceramic substrate, ceramic heater, electrostatic chuck and wafer prober for use in semiconductor producing and inspecting devices A ceramic substrate for semiconductor manufacture and/or inspection which is conducive to decrease in α-rays radiated to prevent electrical errors, and to decrease an electrostatic chucking force such as heater or wafer prober, generation of particles, and circuit ... | 07/18/2006 |
| 7067773 | Food warming device and methods for its manufacture A food warming is provided with a partially open housing having an open side extending along a longitudinal length of the housing. A heating element is also provided, extending along the longitudinal length of the housing. A support member is disposed to maintain a ... | 06/27/2006 |
| 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 |
| 7049552 | Ventilation system for a cooking appliance A cooking appliance includes a frame having a bottom wall for supporting heating elements and a peripheral side portion that extends from and about an outer periphery of the bottom wall so as to define a chassis upon which is arranged a cooktop. The peripheral side ... | 05/23/2006 |
| 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 |
| 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 |
| 6995344 | Cooking appliance The appliance has a cooking plate (10) and a radiant electric heater (2) having multiple heating zones (12, 14, 16) arranged substantially side-by-side. A temperature sensing assembly (34) incorporates an electrical component (42) ... | 02/07/2006 |
| 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 |
| 6756569 | Temperature sensor for heater unit in cooktop range A heating unit for use in a cooktop is disclosed. The heating unit includes a pan with an insulation structure supporting a heating element. The heating unit further includes a temperature sensor and indicator to be used as a visual indication to the user that the h... | 06/29/2004 |
| 6737615 | Heat conductor coil for heating a flowing gaseous medium and electrical resistance heating element A heat conductor coil for heating a flowing gaseous medium is configured to be attached to a support configuration and has a heat conductor wound in windings following an ascending line of a coil to form the heat conductor coil, wherein the ascending line of the coi... | 05/18/2004 |
| 6483084 | Radiant heater According to an exemplary embodiment of the invention a radiant heater (11) for a glass ceramic cooking area (25) is created. The radiant heater comprises a carrier shell (12) carrying a flat insulator (14), on which is placed a heating means (16). A ther... | 11/19/2002 |
| 6437298 | Flat resistance for heating a cooking plate The heating resistance (2) comprises a flat conductor strip of small thickness, made from a strip of high-temperature alloy, and extended over the porous insulating base (4) of a radiant electric cooking plate, which has a flat horizontal surface, and a s... | 08/20/2002 |
| 6410892 | Cooktop having a flat glass ceramic cooking surface A cooktop having a flat glass ceramic plate and a plurality of rails independently attached to the bottom surface of the glass ceramic plate. The rails are configured to be received in a cutout in a countertop and are not connected to each other at the co... | 06/25/2002 |
| 6361858 | Mounting for a cooking surface A mounting for a cooking surface held at its periphery by at least one support part comprising a fiberglass reinforced duromer or thermosetting resin selected from the group consisting of an unsaturated polyester resin, a melamine resin, a phenol resin, a... | 03/26/2002 |
| 6274849 | Radiant electric heater A radiant electric heater comprises a dish-like component (1) of thermal insulation material having a base (2) and an upstanding peripheral wall (3). At least one heating element (4) is supported inside the dish-like component, and reinforcing means (5) i... | 08/14/2001 |
| 6259070 | Electrical resistance heater insulator There is disclosed an electrically resistance insulator for use in supporting a helical heater coil at seven locations on the coil. The insulator is supported from a support structure and has a pair of arms that extend from the base for supporting the hea... | 07/10/2001 |
| 6207935 | Radiant heating element with a metal foil heat conductor A radiant heating body for a cooking hob has a heating conductor comprising a metal foil and an insulating bottom (12). To make the heating conductor easy to fit and to provide advantageous heat radiation properties the flat geometrical heating conductor ... | 03/27/2001 |
| 6201220 | System for fixing the heating resistance in a cooker plate The system for the attachment of a heating element in a electric cooking hob comprises a flat electrical element made of a thin resistance alloy strip, a horizontal porous insulating base (4) supporting the heating element (2) and a plurality of feet (3) ... | 03/13/2001 |
| 6188047 | Radiant electric heater The insulation component of a radiant electric heater device formed with fused silica particulates is combined in the device during its construction. Final preparation of the insulation takes place after assembly in a metal dish of the device.... | 02/13/2001 |
| 6184502 | Heater, particularly for kitchen appliances A heater (1) particularly usable as a radiant heater for electric cookers is described, which has a insulating substrate (2) of microporous thermal insulation material and at least one electric heating conductor (20) in the form of an upright, corrugated ... | 02/06/2001 |
| 6180927 | Heat insulating moulded body and process for producing the same A heat insulating molded body made of inorganic material and inorganic reinforcement fibers is disclosed, as well as a process for producing the same and its use. The molded body is characterized by the following composition: (a) 30-70 wt. % blown vermicu... | 01/30/2001 |
| 6150636 | Contact heat-transferring cooking system with an electric hotplate A contact heat-transferring electric hotplate (11) is provided, which is made from nonoxidic ceramic, particularly silicon nitride. Its very thin hotplate body (14) in the form of a disk is installed in self-supporting manner in a hob plate, e.g. by bondi... | 11/21/2000 |
| 6104008 | Thermal limiter for stove heater A temperature sensing switching device has a soft ferrite material coupled radiatively to a body and non-radiatively to a heat sink. The ferrite material is arranged so that its temperature is above its curie point when the body is above a desired limit t... | 08/15/2000 |
| 6051817 | Heating conductor for radiant heating bodies of a cooking hob There is proposed a heating conductor for a radiant heating body of a cooking hob, which is substantially formed from heating limbs (2) which are cut out of a metal foil or sheet in a geometrical pattern and inserted between the cooking hob and an insulat... | 04/18/2000 |
| 6034358 | Radiant electric heater A radiant electric heater includes a base (2) of insulation material and a lamp-form heating element (3) supported adjacent to a surface of the base. The lamp-form heating element is in the form of a filament (4) inside an elongate envelope (5). The surfa... | 03/07/2000 |
| 6018149 | Radiant electric heater A radiant electric heater has first, second and third heating zones (1, 2, 3) arranged substantially side-by-side. The first heating zone (1) is provided with at least one first heating element (9). The second heating zone (2) is arranged adjacent to the ... | 01/25/2000 |
| 6018148 | Radiant electric heater A radiant electric heater includes a base (2) of thermal and electrical insulation material having a surface supporting at least one heating element (3) in the form of an elongate electrically conductive ribbon (4). The ribbon (4) is supported on edge and... | 01/25/2000 |
| 6018147 | Base for an electric heater and method of manufacture A base for an electric heater comprises a base layer (13) of compacted insulation material (12) and a substantially U-shaped electrically conductive link (6) having upstanding leg portions (8, 9) with an elongate portion (7) extending therebetween. The li... | 01/25/2000 |
| 5977524 | Microwire staple for holding the resistive member of a heating element in place A heating unit (H) for a cook top includes a ribbon-type heating element (E). The heating element is mounted on the upper surface of a cake (I) of microporous insulation material. The heating element is arranged in a predetermined pattern on the material ... | 11/02/1999 |
| 5892206 | Radiant electric heater arrangement and method of operating the same A radiant electric heater arrangement for a glass-ceramic top cooking appliance includes a heater in the form of a dish-like support supporting a first heating element and a second heating element. The first heating element has a predetermined minimum ope... | 04/06/1999 |
| 5892205 | Heater Connecting conductors located within at least one heating field for heating conductors are configured so that they do not luminate in operation and are not bowed or shifted out of place by thermal loading. For this purpose the conductor is corrugated and ... | 04/06/1999 |
