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Class Information
Number: 219/748
Name: Electric heating > Microwave heating > Field modification > With power feed structure > Radiator (e.g., antenna, etc.)
Description: Subject matter wherein the feed structure provides a device which spreads and distributes the microwave energy into the cavity.










Sub-classes under this class:

Class Number Class Name Patents
219/749 Rotating 79


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8658953 Antenna cover for microwave ovens Feb. 25, 2014
8420991 Microwave heating apparatus Apr. 16, 2013
8389916 Electromagnetic heating Mar. 5, 2013
8222580 Cooking apparatus using microwaves Jul. 17, 2012
8178824 Cooking device May. 15, 2012
8038936 Cooking device with deodorization Oct. 18, 2011
7629497 Microwave-based recovery of hydrocarbons and fossil fuels Dec. 8, 2009
7498549 Selective layer millimeter-wave surface-heating system and method Mar. 3, 2009
7432482 Distillation and distillate method by microwaves Oct. 7, 2008
7247823 Defrost vessel for microwave oven Jul. 24, 2007
7183514 Helix coupled remote plasma source Feb. 27, 2007
7155842 Microwave mixer/dryer reactor for industrial use Jan. 2, 2007
7148457 Microwave water heating system Dec. 12, 2006
7135820 Vane structure of magnetron Nov. 14, 2006
7119312 Microwave fluid heating and distillation method Oct. 10, 2006
7049566 Cooking device May. 23, 2006
6900424 Microwave delivery system for a cooking appliance May. 31, 2005
6888114 Microwave heating method May. 3, 2005
6884979 Method and apparatus for uniform heating in a microwave oven Apr. 26, 2005
6861632 Microwave oven Mar. 1, 2005
6838648 Temperature detection unit in a high-frequency heating and cooking apparatus Jan. 4, 2005
6831259 Apparatus for the heating of pressed stock in the manufacture of boards of material Dec. 14, 2004
6828533 Microwave heating device Dec. 7, 2004
6812443 Microwave oven capable of changing the way to supply microwaves into heating chambers Nov. 2, 2004
6797929 Cylindrical reactor with an extended focal region Sep. 28, 2004
6781102 Microwave feed system for a cooking appliance having a toroidal-shaped waveguide Aug. 24, 2004
6781314 Magnetron Aug. 24, 2004
6753517 Microwave-assisted chemical synthesis instrument with fixed tuning Jun. 22, 2004
6737619 Microwave polymerization system for dentistry May. 18, 2004
6713739 Microwave-assisted chemical synthesis instrument with fixed tuning Mar. 30, 2004
6693266 Microwave heating apparatus and method of heating objects Feb. 17, 2004
6667466 Microwave delivery system for a cooking appliance Dec. 23, 2003
6657171 Toroidal waveguide for a microwave cooking appliance Dec. 2, 2003
6649890 Microwave cooking appliance incorporating electric heating element Nov. 18, 2003
6614011 Microwave oven including antenna for properly propagating microwaves oscillated by magnetron Sep. 2, 2003
6590192 Microwave oven with temperature-dependent automatic stop Jul. 8, 2003
6563097 Microwave oven with food search and localized heating May. 13, 2003
6502328 Seal for holding a microwave antenna at a pressurized tank of a gas drying system and method Jan. 7, 2003
6472648 Microwave irradiation continuous flow heating apparatus Oct. 29, 2002
6462320 Dielectric heating device employing microwave heating for heating or cooking substances Oct. 8, 2002
6452142 Microwave ovens and sub-assemblies therefor Sep. 17, 2002
6444966 Microwave oven with a rotational antenna Sep. 3, 2002
6441354 Microwave polymerization system for dentistry Aug. 27, 2002
6441355 Microwave heating using independently controllable internal and external antennae Aug. 27, 2002
6399930 Combination convection/microwave oven Jun. 4, 2002
6396037 Dielectric heating device May. 28, 2002
6384392 Microwave oven for uniform heating May. 7, 2002
6346693 Selective heating of agricultural products Feb. 12, 2002
6333496 Microwave feeding of an oven cavity Dec. 25, 2001
6316759 Microwave heating apparatus for gas chromatographic columns Nov. 13, 2001

1 2 3 4










 
 
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