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Class 219/449.1 - Heating by convection


Subclass of Class 219 - Electric heating
Definition: Subject matter including means to provide for fluid circulation
No. of patents: 27
Last issue date: 09/18/2012


NumberTitleIssue Date
8269148Cooktop with forced convection cooling
A ventilation system for cooling a cooking appliance that can be placed within a kitchen countertop is described. The cooking appliance includes one or more air inlets within the sides of the cooktop, and an air mover that draws air in through the air inlets and ove...
09/18/2012
7619183Method and apparatus for cooking using a combustible gas produced with an electrolyzer
A cooking appliance comprising an electrolyzer which produces a combustible fuel, a burner downstream from the electrolyzer, and, an electrically heatable cooking surface on which food is receivable for cooking, the electrically heatable cooking surface being operab...
11/17/2009
7329838Convection part for electric oven range
A convection part of an electric oven range is provided. In the convection part, a convection motor is provided, a convection fan is connected with the convection motor, and a fan housing encloses the convection fan and it includes at least one pair of discharge duc...
02/12/2008
7222563Steam generating assembly
The steam generating assembly of the present invention subjects a food product, such as a sandwich bun, to a controlled burst of low pressure steam in order to quickly and uniformly raise the temperature of the food product to its desired serving temperature or high...
05/29/2007
7182130Sample temperature regulator
The sample temperature regulator is provided with a heating block (3) having a sample container holder (6) and a temperature-controllable heater (7) and with a cooling block (4) having a cooling mechanism (11). These two blocks are...
02/27/2007
7163011Outdoor gas grill with auxiliary burner unit, and method of using same
A gas grilling apparatus includes a cart, a grill housing attached to the cart, and a grill and a main grill burner contained in the grill housing. An auxiliary burner unit is also attached to the cart, and the auxiliary burner unit is located, or is placeable at a ...
01/16/2007
6964812Carbon-containing aluminum nitride sintered compact and ceramic substrate for use in equipment for manufacturing or inspecting semiconductor
An objective of the present invention is to provide an aluminum nitride sintered body making it possible to keep a volume resistivity of 108 Ω·cm or more, and guarantee covering-up capability, a large radiant heat amount and measurement accuracy with a ...
11/15/2005
6384384Boil dry detection in cooking appliances
Boil dry conditions are detected in utensils heated on a cooking appliance having at least one energy source disposed under a cooking surface such as a glass-ceramic plate and a controller for controlling the level of power supplied to the energy source. ...
05/07/2002
6218646Method for adjusting a limiting value of an operating temperature of a cooking unit and device for performing said method
Glass or glass-ceramic materials for a cooking surface of a modern cooking unit can only withstand a certain predetermined limited temperature/time load. In order to guarantee that the permissible temperature/time load is not exceeded during the guarantee...
04/17/2001
6118105Monitoring and control system for monitoring the boil state of contents of a cooking utensil
A monitoring and control system for monitoring the boil states of the contents of a cooking utensil located on a cooking surface of a cooktop, indicating the state to a user, and controlling the energy applied to the cooking surface, which may be a glass ...
09/12/2000
6118107Process and device for in-service measurement of temperature in at least one cooking zone of a cooking area with a glass ceramic plate
A process and cooking area for in-service measurement of temperature in at least one cooking zone of the cooking area with a glass ceramic plate is based on an empirically derived correlation between transmission of light through the glass ceramic plate i...
09/12/2000
5984649Air curtain fan with heating elements
A fan comprises blowing units, each including a squarely hollow casing, an electric motor incorporated into the casing and an axial impeller coupled to the motor for generating an air flow from an inlet toward nozzles; the casing having one end opened to ...
11/16/1999
5498854Radiant electric heater
A radiant electric heater for use in a smooth top cooker includes a base of electrical and thermal insulating material and two heating elements supported on the base. One of the heating elements is energisable independently of the other element, for examp...
03/12/1996
5424511Electric thermal convection cooktop
A convection cooking apparatus includes a cooking surface and a hot air generator fluidly coupled to one or more nozzles located at the cooking surface. The hot air generator is characterized as a ported chamber housing at one least electrically resistive...
06/13/1995
4938815Semiconductor substrate heater and reactor process and apparatus
A semiconductor substrate heater process and apparatus are disclosed for uniformly heating semiconductor substrates. A device for supporting the back side of an IC wafer in a reaction chamber and for conduction heating therein and auxiliary heat directed ...
07/03/1990
4778559Semiconductor substrate heater and reactor process and apparatus
A reaction system and process for uniformly heating semiconductor substrates and a device for supporting the same and direct conductive heating of IC wafers within a reactor are described. The substrate is held in direct contact with the heating source po...
10/18/1988
4750470Heater system for a downdraft range
A heater system is provided for use with a downdraft range. The heater is constructed and disposed within a burner pan associated with the range to produce a non-uniform heat output relative to the front-to-rear center line of the burner pan. The greater ...
06/14/1988
4724825Combined cooking machine
This combined cooking machine or range, notably for professional use in communities or the like comprises a container in the form of a tilting-vat hingedly mounted in a frame structure, for use as a saucepan, a frying-pan or a deep-fryer, as required by t...
02/16/1988
4521674Electric fluid heater employing pressurized helium as a heat transfer medium
An electric fluid heating apparatus includes a closed hollow metallic vessel filled with substantially pure gaseous helium at a pressure from about 30 psl absolute to about 100 psl absolute. At least one electric resistance heating element is disposed in ...
06/04/1985
4481408Cooking apparatus
A horizontally extending, hexagonally-shaped, metal platter defining a slightly upwardly convex cooking surface is supported on top of an upwardly diverging frustoconical hollow pot. The lower end of the pot rests on the top of an upwardly converging frus...
11/06/1984
4459472Electric heating apparatus
There is disclosed an electric heating apparatus comprising a pre-formed body of thermally insulating material defining a cavity for receiving a vessel whose contents are to be heated, the body being provided with an electric heating element in or adjacen...
07/10/1984
4430559Electric grill
A portable electric cooking grill having a base including side walls defining an open space interiorly thereof, a convoluted electric resistance element mounted in the lower portion of the base, and a crown-like tray having a central opening therein and s...
02/07/1984
4357523Electrical heating means for cookers or hot plates
An electrical heating device for cookers and hot plates is disclosed, having a heat-resistant support member disposed below a heat-radiation transmitting plate, in particular, a glass-ceramic plate. The support member is adapted to receive at least one el...
11/02/1982
4245147Vapor transfer griddle with immersed electrical heating
A vapor transfer griddle unit with a planar sheet metal heat conductive top member defining a horizontally extensive griddle, a bottom wall sealed to the top member and defining therewith a corresponding vapor chamber disposed below the griddle, a body of...
01/13/1981
4164642Radiant-hot air heater
A device for heating an article up to a selected controlled temperature by irradiation of infrared rays upon the article of both longer and shorter wave lengths simultaneously as well as by conventional hot air. The infrared radiation evolves from an elec...
08/14/1979
4071738Ventilated range with convertible radiant convection oven
Disclosed is a domestic cooking range of the ventilated type having surface elements and an underlying oven characterized by an extension of the ventilating fan motor shaft carrying an auxiliary fan disposed within the oven which provides forced circulati...
01/31/1978
 
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