| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 219395000 | With plurality of separate heating units | 24 |
| 20090008379 | Infrared oven - The disclosed invention relates to an oven for cooking foodstuffs such as pizza by infrared radiation. The oven includes heating elements formed of Fe—Cr—Al alloy wire in a sealed quartz tube heating elements. The heating elements may receive power continuously or in pulses to generate infrared radiation over selected time periods to cook a foodstuff. | 01-08-2009 |
| 20090120926 | Multiple function electric oven - An electric oven includes a rectangular body, a top heat tube and a bottom heat tube are located in the body of the oven. A rotatable heating member is located at a mediate portion of the body and has a rotatable heat tube which is driven by a motor and an operation lever. The rotatable heat tube is rotatable when operating the motor or the operation lever. Two limit switches are located in the body at a horizontal position and an upright position, the limit switches are activated by the operation lever when adjusting the rotatable heat tube. When the rotatable heat tube is located at the upright position, the limit switch at the upright position is activate to stop the motor and activate the rotatable heat tube, so that a large piece of food can be baked in the oven. | 05-14-2009 |
| 20100059497 | RAPID THERMAL PROCESSING LAMPHEAD WITH IMPROVED COOLING - Embodiments of a lamphead and apparatus utilizing same are provided herein. In some embodiments, a lamphead for use in thermal processing may include a monolithic member having a plurality of coolant passages and a plurality of lamp passages and reflector cavities, wherein each lamp passage is configured to accommodate a lamp and each reflector cavity is shaped to act as a reflector or to receive a replaceable reflector for the lamp, and wherein the plurality of coolant passages are disposed proximate to the plurality of lamp passages; and at least one heat transfer member extending from the monolithic member into each coolant passage. In some embodiments, the lamphead may be disposed in an apparatus comprising a process chamber having a substrate support, wherein the lamphead is positioned to provide energy to the substrate support. | 03-11-2010 |
| 20110006053 | OVEN HAVING LOESS LAYERS - Provided is an oven including loess layers. The oven includes: a main body portion having a cooking space therein; loess layers that are coated on inner walls of the main body portion and that comprise red clay and yellow mica, respectively; and heat generation rods that are disposed on at least one side of the cooking space so as to heat the cooking space. | 01-13-2011 |
| 20110253700 | HEAT SPREADING/TEMPERATURE UNIFORMITY DEVICE FOR A BAKE OVEN - A heat spreading/temperature uniformity device for a bake oven is disclosed. The heat spreading/temperature uniformity device is applicable to the bake oven, including at least one rack body movably disposed in a receiving space defined by the bake oven, and multiple heat spreading members distributed over and arranged on the rack body and integrally connected therewith. Each heat spreading member and the rack body contain a first angle and a second angle. The heat spreading/temperature uniformity device is up and down adjustably disposed in the bake oven for transferring heat to the relatively low heating intensity areas of the receiving space in the form of heat radiation. Accordingly, the food placed in the bake oven can be uniformly heated at a uniform heating intensity and a uniform temperature. | 10-20-2011 |
| 20120085746 | Electric Broiler - A new electric broiler is disclosed. The broiler includes a housing having a cooking chamber, and a cooking surface in the housing. Upper and lower electrical heat sources are provided in the cooking chamber above and below the cooking surface. The lower heat source includes a removable heating module having an electric heating element and a quick connect/disconnect connector for quick electrical connection and disconnection of the electric heating element to and from a quick connect/disconnect connector on the housing. The broiler also includes a module holder on the housing for holding the removable heating module. The heating module is removable from the holder for quick replacement of the module. | 04-12-2012 |
| 20120261400 | HEAT TREATMENT APPARATUS AND METHOD FOR HEATING SUBSTRATE BY IRRADIATION THEREOF WITH LIGHT - A semiconductor wafer preheated to a preheating temperature is irradiated with light from flash lamps. With the light emission from the flash lamps, a surface temperature of the semiconductor wafer is maintained at a recovery temperature during a period of 10 to 100 milliseconds to induce recovery of defects created in silicon crystals. Then, with subsequent flashing light emission from the flash lamps, the surface temperature of the semiconductor wafer will reach a processing temperature to induce activation of impurities. Increasing the surface temperature of the semiconductor wafer once to the recovery temperature and then, with the flashing light emission, to the processing temperature will also prevent cracking of the semiconductor wafer. | 10-18-2012 |
| 20130334197 | ELECTRIC OVEN AND METHOD FOR SERVICING SAME - Provided is an electric oven, which includes a main body, a cooktop, and an oven part. The cooktop is disposed in an upper portion of the main body to heat an object. The oven part is disposed within the main body under the cooktop, and includes a cavity including a cooking chamber, a door selectively opening and closing the cooking chamber, and a first heating unit and a second heating unit, which supply radiant energy into the cooking chamber. Before the cooktop is installed, or after the cooktop is removed, a top of the main body is opened, and the first heating unit is installed in or removed from the cavity through the opened top of the main body. The second heating unit is installed in or removed from the cooking chamber through an open front of the cooking chamber. Accordingly, a heater can be protected, and be conveniently installed and removed. | 12-19-2013 |
| 20140110390 | Energy Efficient Infrared Oven - An oven may facilitate heating, curing, and/or drying processes for manufactured items, such as shoe parts, using multiple groups of infrared sources. Each group of infrared sources may comprise a plurality of sources having heating parameters, such as a peak wavelength, power, distance from items to be cured, number of infrared sources, etc. By staging different types of sources throughout an oven, different aspects of the curing process may be performed in an efficient fashion. Further, conditions within the oven such as temperature and relative humidity may be monitored and adjusted to optimize curing conditions. | 04-24-2014 |
| 20140117005 | DIFFUSION FURNACE - A diffusion furnace in the shape of polygonal-prism, including two end frame plates arranged in opposite basal planes of the diffusion furnace and a plurality of heating panels connected between the two end frame plates. Each heating panel includes at least one beam connected between the two end frame plates and a plurality of heating block interconnected in succession along and secured to the respective beam. Each heating block includes a block body, at least one heating element arranged on one side of the block body and amounting assembly mounted on the opposite side of the block body for securing the heating element. Thus, the disclosed diffusion furnace can be customized to satisfy different measurements requirement and can be easily decomposed for repair. | 05-01-2014 |
| 20140217084 | Sandwich Making Appliance and Method of Making a Sandwich with the Same - A small cooking appliance comprises a bottom housing, a top housing, and a ring assembly. The bottom housing has a top surface that forms a bottom cooking surface. The top housing has a bottom surface that forms a top cooking surface. The top housing is movably attached to the bottom housing and moveable between a closed position and an open position. The ring assembly is positioned between the top and bottom cooking surfaces when the top housing is in its closed position. The ring assembly comprises a top ring, a bottom ring, and a center cooking plate. The center cooking plate is adapted to be removably inserted between the top ring and the bottom ring such that a space defined by the ring assembly is divided into top and bottom cooking cavities when the center cooking plate is inserted between the top ring and the bottom ring. | 08-07-2014 |
| 20140246419 | Top-browner cooking system for electric roasting ovens and method of use - A top-browner cooking system and method of use for browning chicken, turkey and other foodstuffs within electric roasting ovens that lack top-browning capability is disclosed. The present top-browner cooking system provides a plurality of top-browner assemblies which are configured for retrofitting to various sizes and shapes of common prior art roasting ovens lacking a top-browner heating element as original equipment. In addition to retrofitting a preexisting roasting oven, the top-browner cooking system is also utilized in combination with roasting ovens of new construction. The top-browner cooking system is designed for stand-alone use being plugged directly into a residential power outlet or, alternatively, can be plugged into an auxiliary power outlet provided on some brands of roasting ovens. The top-browner assemblies of the present cooking system are provided with detachable power cords including an electromechanical power switch or, alternatively, a multi-position switch for the convenience of the user. | 09-04-2014 |
| 20140319118 | FIBER OXIDATION OVEN WITH MULTIPLE INDEPENDENTLY CONTROLLABLE HEATING SYSTEMS - One embodiment is directed to an oven for heating fibers. The oven comprises a plurality of walls forming a chamber and a supply structure disposed within the chamber between first and second ends of the chamber. The supply structure is in communication with a first heating system and is configured to direct heated gas from the first heating system into a first portion of the chamber. The supply structure is in communication with a second heating system and is configured to direct heated gas from the second heating system into a second portion of the chamber. | 10-30-2014 |
| 20160088683 | HEAT TREATMENT APPARATUS - The present invention discloses a heat treatment apparatus, the heat treatment apparatus comprises a hot plate, at least two heat sources, and a switching means, wherein the hot plate serves as the heating medium between the at least two heat sources and the substrate to be processed, the switching means is configured in such a way that the hot plate contacts one or two of the at least two heat sources selectively, the processing temperature of the hot plate can be changed quickly from one temperature to another temperature. | 03-24-2016 |
| 219396000 | Of diverse construction or functioning in diverse manners | 7 |
| 20080302779 | Cooking Appliance Which is Mounted in an Elevated Manner - A cooking appliance which is mounted in an elevated manner, which comprises a muffle which defines a cooking chamber and which comprises a muffle opening which is arranged on the base thereof, a base door which is used to close the muffle opening and at least one heating body which is provided in the muffle, in addition to an associated operational method. The pyrolysis heating power, which is produced by the base door, does not exceed 20% of the pyrolysis heating power of all heating bodies for pyrolysis. | 12-11-2008 |
| 20110114627 | SYSTEM AND METHOD FOR MINIMIZING CONSUMER IMPACT DURING DEMAND RESPONSES - An electromechanically controlled cooking appliance is provided. The cooking appliance includes one or more power consuming elements including at least one of a surface heating unit for surface cooking and an oven heating unit for heating a cooking cavity, at least one of an infinite switch and a thermostat, a control configured to receive and process a signal indicative of the current state of an associated utility including a peak demand state and an off-peak demand state and operate the cooking appliance in one of a plurality of operating modes, at least one of the power consuming elements operating at a lower power level when in the energy saving mode than in the normal operating mode, and a first element status sensor adapted to provide feedback to the control indicative of whether at least one of the one or more power consuming elements is in use, wherein at the conclusion of an energy savings mode, the controller is configured to use said feedback to determine when to restore the at least one or more power consuming elements to its normal mode power level. | 05-19-2011 |
| 20110290781 | HYBRID RANGE AND METHOD OF USE THEREOF - An appliance includes an oven cavity; a gas burner disposed within the oven cavity; an electrical heating element disposed within the oven cavity; and a controller in operative communication with the gas burner and the electrical heating element, the controller being configured to receive a signal indicative of a current state of an associated utility, and to selectively activate at least one of the gas burner and the electrical heating element based upon the signal. | 12-01-2011 |
| 20130032586 | FURNACE WITH THERMOELECTRIC ELEMENT - The invention relates to a firing furnace for a tooth replacement or tooth prosthesis, with a firing chamber, at least one heating element for heating the firing chamber, a control unit for controlling the operation of the firing furnace, and a housing at least partially surrounding the firing chamber, wherein the firing furnace comprises at least one thermoelectric element for utilizing the waste heat generated by the firing furnace. | 02-07-2013 |
| 20140319119 | COMBINATION OVEN WITH PEAK POWER CONTROL - A commercial oven, such as a combination oven providing steam and convection heating, may provide for two different peak power modes and for steam cooking. A temperature sensor sampling temperature from a region of the oven may be used to detect a complete filling of the oven with steam. The temperature of the temperature sensor is compared against different temperature thresholds depending on the selected peak power so that temperature may be used to discriminate steam filling for different peak power levels. | 10-30-2014 |
| 20150108107 | PROCESS TOOL HAVING THIRD HEATING SOURCE AND METHOD OF USING THE SAME - A processing tool includes a chamber configured to receive a wafer, the chamber having a sidewall and a sidewall heating source configured to heat the sidewall of the chamber. The processing tool further includes a first heating source configured to provide energy to an interior of the chamber through a top surface of the chamber and a second heating source configured to provide energy to the interior of the chamber through a bottom surface of the chamber. The sidewall heating source is separate from the first heating source and the second heating source. | 04-23-2015 |
| 20160033141 | COMBINATION HEAT AND STEAM OVEN - A combination heat and steam oven according to the present invention includes a housing having an internal heating compartment, at least one dry heating element disposed within the heating compartment, a steam generating unit configured to produce steam for injection into the heating compartment, and a user interface. The user interface is configured for selectively controlling operation of the at least one dry heating element and the steam generating unit, so that the steam generating unit and the at least one dry heating element may be operated alone or simultaneously with the other of the steam generating unit and the at least one dry heating element. | 02-04-2016 |
| 219397000 | Of different resistive values | 1 |
| 20130161314 | High Performance Heater - Systems and methods are provided for a high performance heater. In an embodiment, the high performance heater comprises a first stackable tray comprising a first alignment pin that insulates a first heating element disposed in the first stackable tray; a second stackable tray comprising a second alignment pin that insulates a second heating element disposed in the second stackable tray, wherein a top of the first alignment pin fits into a cutout of a bottom of the second alignment pin when the first and second stackable trays are stacked, and wherein the first and second stackable trays comprise one or more materials, an outer diameter and an inner diameter, and wherein an area between the outer diameter and the inner diameter of the stackable trays comprises at least one cutout portion that allows expansion of the material(s) when the high performance heater is at high temperatures. | 06-27-2013 |
| 219398000 | Selectively energized | 2 |
| 20080237212 | CONVECTION PREHEAT SYSTEM AND METHOD FOR RADIANT BAKING - A cooking appliance includes a cabinet forming an oven cavity, a broil heating element, a bake heating element, a convection heating system and a controller. The convection heating system develops a flow of heated air into the oven cavity, and includes a fan and a convection heating element. The controller controls activations of the broil, bake and convection heating elements during an oven cavity preheating operation in which the broil heating element and the bake heating element are alternately activated while the convection heating element is activated. | 10-02-2008 |
| 20090206070 | Electronic Control For Range - An electronic control for a range including a control panel with a display surface, at least one control, and a display module. The display surface is substantially reflective, but allows transmission of light from an inside to an outside of the range. The display module includes an augmentation element to illuminate a display and transmit the illuminated display through the display surface. The display module can be disposed at an angle to the display surface. The display surface mimicking the surrounding material to allow the display surface to blend into the surface of the display module, with the surface being illuminated through designed to be camouflaged into the background. The at least one control can be a knob, a button, or a series of buttons or knobs. The display can provide function status of an item in the range. | 08-20-2009 |
