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Class Information
Number: 219/397
Name: Electric heating > Heating devices > Combined with container, enclosure, or support for material to be heated > Oven type > With plurality of separate heating units > Of different resistive values
Description: Subject matter wherein each of the plurality of heating units is of a different resistive value.

Patents under this class:

Patent Number Title Of Patent Date Issued
8522675 Holding cabinet for separately heating food trays Sep. 3, 2013
8304695 Priority controlled multi-fan convection oven Nov. 6, 2012
8263907 Method of baking and an oven Sep. 11, 2012
8258436 Heating device Sep. 4, 2012
8138453 Electric oven with multiple broil heaters and method for preheating the electric oven Mar. 20, 2012
7812287 Method for controlling a pyrolysis cleaning process in an oven Oct. 12, 2010
7781702 Cooking apparatus Aug. 24, 2010
7683292 Method for cooking a food with infrared radiant heat Mar. 23, 2010
6639187 Toaster with movable food support and movable doors with windows Oct. 28, 2003
6570135 Kitchen stove for preparing food, and an oven for preparing food May. 27, 2003
6362458 Food grilling system for oven cavity with byproduct removal Mar. 26, 2002
6323472 Radiant electric heater for a microwave oven Nov. 27, 2001
6097000 Control panel ventilation system for electrical food cooking appliances comprising a cooking hob and an oven Aug. 1, 2000
5951939 Method for heating films for thermoforming Sep. 14, 1999
5708255 Prepared meal system with lower hotplate having a plurality of heating zones and an upper radiant heating element and operated in accordance with pre-programmed cooking programs selected by a Jan. 13, 1998
5344622 Ozone sterilization system vapor humidification component with disposable water source Sep. 6, 1994
5280157 Power switching arrangement for cooking oven Jan. 18, 1994
5170039 Multifunction toaster Dec. 8, 1992
4775777 Open-loop self-cleaning oven temperature control Oct. 4, 1988
4641015 Portable cooking appliance comprising an oven chamber and a cooking hotplate Feb. 3, 1987
4538049 Toaster oven Aug. 27, 1985
4317985 Dual heater stabilization apparatus and method for a crystal oven Mar. 2, 1982
4065659 Food processing oven Dec. 27, 1977

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