Class 219/409 - With heating unit structure or composition

Subclass of Class 219 - Electric heating
Definition: Subject matter including significant heating unit structural
No. of patents: 36
Last issue date: 07/26/2011

Number	Title	Issue Date
7985945	Method for reducing stray light in a rapid thermal processing chamber by polarization Embodiments of the present invention provide apparatus and method for reducing noises in temperature measurement during thermal processing. One embodiment of the present invention provides a chamber for processing a substrate comprising a chamber enclosure defining ...	07/26/2011
7411160	Airflow system for a convection oven A convection cooking appliance includes a convection fan for establishing a convection airflow which is heated by a heating element including first and second sections that are symmetrically disposed about the convection fan substantially parallel to and downstream ...	08/12/2008
7378617	Heating systems and methods for a cooking appliance A heating system for a cooking appliance includes a first upper heating element and a second upper heating element positioned within a cooking cavity defined by a cabinet of the cooking appliance. The cooking cavity is configured to support a food item therein durin...	05/27/2008
7285751	Automatic electric muffin maker An automatic electric muffin maker for baking muffins and related foodstuffs is disclosed. The present muffin maker comprises a housing assembly enclosing a bottom heating plate having an integrated heating element and a top heating element for browning (i.e. to sco...	10/23/2007
7230208	Oven for dental prostheses or partial dental prostheses The invention relates to a stove for producing denture and or the parts thereof comprising a combustion chamber and a heating device which is arranged therein and provided with a heating spiral consisting of an appropriate resistance wire and a support for the heati...	06/12/2007
7202447	Conveyor type oven A conveyor type oven (10) for processing food products (32) and a method of use that includes heating sections and/or zones, each of the heating sections/and or zones being individually temperature controlled. The conveyor type oven (10) compris...	04/10/2007
7150850	Process for producing silicon carbide sinter jig The present invention provides a sintered silicon carbide jig production method capable of simply increasing the purity of a sintered silicon carbide jig. A method of producing a sintered silicon carbide jig comprising a process in which a second sintered body is he...	12/19/2006
7091452	Conveyor type oven A conveyor type oven (10) for processing food products (32) and a method of use that includes heating sections and/or zones, each of the heating sections/and or zones being individually temperature controlled. ...	08/15/2006
7060942	Cooking apparatus and method therefor An apparatus for cooking a food item therein has a housing defining an interior and includes at least first and second opposed walls. A rotating member is positioned between the first and second walls of the housing, and the rotating member is capable of engaging an...	06/13/2006
7002116	Baking method A baking method for heating an object (an inner pipe, an outer pipe) having a vacuum layer formed therein to remove gas molecules occluded in the object, wherein the object itself is made to be a heat production element for heating. By making the baking object a hea...	02/21/2006
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
6867392	Infrared element and oven A continuous infrared oven and an infrared element therefor wherein the source and return terminals of the element are located on the same lateral side of the oven conveyor and are both accessible through the same oven side wall. ...	03/15/2005
6858819	Electric heating element An electric heating element (10) for an oven (2) is provided at least in part with a coating (14) of a catalyst means. ...	02/22/2005
6765178	Chamber for uniform substrate heating Embodiments of the invention generally provide an apparatus and a method for providing a uniform thermal profile to a plurality of substrates during heat processing. In one embodiment, a cassette containing one or more heated substrate supports is moveably disposed ...	07/20/2004
6593548	Heating element CVD system A heating element CVD device capable of providing a high productivity and decomposing and/or activating the material gas led into a processing container by a heating element and stacking film on a substrate disposed in the processing container, wherein th...	07/15/2003
6384381	Oven device for rapid heating of food items An oven device for final finishing of a food item includes an oven housing defining a heating cavity configured to receive at least one food item to be heated, and an upper heating unit within the oven housing above the heating cavity. The upper heating u...	05/07/2002
6373029	Enclosed cooking system An enclosed cooking system including a housing having a top wall, a bottom wall, a back wall, opposed side walls, and an open front. The bottom wall has a stove burner element positioned thereon. The stove burner element has a corresponding heating elemen...	04/16/2002
6297477	Electric cooking and toasting apparatus and electric elements therefor An electric heating element (11) in which electrically conductive tape (23) is wound on a non-electrically conductive former (12) and the tape is completely covered by covers (30) of electrically non-conductive but heat conductive material secured to the ...	10/02/2001
6285009	Electric heating element for a cooking appliance An electric heating element for use in an oven cavity of a cooking appliance includes laterally spaced fore-to-aft extending side leg portions which are interconnected by a frontal portion, with each of the side leg portions having an inwardly directed se...	09/04/2001
6262396	Oven device for rapid heating of food items An oven device for final finishing of a food item includes an oven housing defining a heating cavity, and an upper heating unit disposed within the oven housing above the heating cavity. The heating cavity is configured to receive at least one food item t...	07/17/2001
6104005	Electric heating element for cooking oven An electric heating element for the bottom of a cooking oven. The heating element has a unique shape or pattern in plan view that includes two narrow loops or arms extending toward the rear corners of the oven and two wider loops or arms extending toward ...	08/15/2000
5994673	Variable volume oven A variable volume oven that can be modified to adjust its volume according to the cooking load. The volume of the oven is able to be adjusted by providing a heating element that is vertically adjustable within the oven to a position that provides better c...	11/30/1999
5951896	Rapid thermal processing heater technology and method of use A heating assembly for heating semiconductor substrates includes a plurality of heating devices, with each heating device including an energy emitting filament adapted for electrically coupling to an external power supply and housed in a first enclosure. ...	09/14/1999
5895594	Method and device for heating carrier bodies A method and device for heating silicon carrier bodies in a deposition reactor are by means of radiated heat. In this method, the carrier bodies are irradiated by means of a heat radiation device which emits radiation having a color temperature of at leas...	04/20/1999
5786568	Programmable oven for cooking holding and proofing comestibles A holding oven designed for creating a natural convection current in the chamber of the oven, and constructed by fixing the heater element to a first material characterized by its high thermal conductivity for rapid build-up of thermal gradient into an in...	07/28/1998
5653905	Royalton natural air movement system A holding oven designed for creating a natural convection current in the chamber of the oven, and constructed by fixing the heater element to a first material characterized by its high thermal conductivity for rapid build-up of thermal gradient into an in...	08/05/1997
5461214	High performance horizontal diffusion furnace system Performance of a high temperature diffusion furnace is enhanced by an improved multi-furnace module design. The furnace is constructed of materials suitable for clean room environments with an adjustable leveling frame assembly. A slide out assembly and h...	10/24/1995
5272317	Food support shelf comprising metal grill with heater A cooking oven includes a cooking compartment with removable shelves. Each shelf includes a frame and a removable electrical resistance heater. The heater plugs into an electrical socket formed in a back wall of the compartment....	12/21/1993
5231690	Wafer heaters for use in semiconductor-producing apparatus and heating units using such wafer heaters A wafer heater for use in a semiconductor producing apparatus or the like. The heater includes a discoidal substrate made of a dense ceramic, and a resistance heating element buried in the substrate. The surface of the substrate other than that surface up...	07/27/1993
5126535	Furnace and kiln construction and thermal insulation and heating unit therefor A heating unit combining a block of thermal and electrical insulating material and a pair of electrical resistance elements in which the block contains a mass of ceramic fibers bound together and has an elongated slot with confronting walls rising to the ...	06/30/1992
5021635	Baker's oven An electrically-heated deck type baker's oven where the electric heating elements, which are U-shaped in plan view, are supported by and slidable through metal chairs in rectangular metal tubes forming a series of lower and upper passages lining the top a...	06/04/1991
4781170	Traveling flame burner A cooking appliance includes an elongated heat source, which may be a gas burner tube. The elongated heat source is mounted for movement in a horizontal plane perpendicular to the longitudinal axis of the heat source, and a driving arrangement is provided...	11/01/1988
4675506	Non-thermostatic constant temperature device for food heat maintenance A low cost non-thermostatic device which maintains food at a constant equilibrium temperature between about 150° F. to 180° F. (65° C. to 82° C.) for extended periods of time, i.e. in excess of four hours, without detrimental burning or deterioration ...	06/23/1987
4159415	Electric slot furnace A slot furnace for heating steel to forging temperatures includes a housing lined with refractory material and a refractory hearth all defining a chamber in the housing for receiving and heating forging stock. A slot is located at the front of the housing...	06/26/1979
4057707	Electric heating unit An electrical cooking or heating unit comprising a plate of a glassy material inluding a selected portion thereof upon whose upper surface vessels are to be placed for cooking purposes. The lower surface of the selected portion of the plate is provided wi...	11/08/1977
4055745	Food cooking oven A food cooking oven having exterior walls and inwardly spaced interior walls wherein the interior walls are electrically conductive and are connected to an electrical power source. In operation, the interior of the oven is heated to a food cooking tempera...	10/25/1977

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Class 219/409 - With heating unit structure or composition