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Class Information
Number: 219/678
Name: Electric heating > Microwave heating
Description: Subject matter for the electric heating of a material or object by applying a field of electromagnetic wave radiation in a frequency range from about 1 gigahertz to 3 gigahertz.










Sub-classes under this class:

Class Number Class Name Patents
219/725 Cookware (e.g., vessel, utensil, etc.) 230
219/756 Enclosed cavity structure 355
219/745 Field modification 122
219/687 Fluid heater 151
219/686 Gas environment (e.g., pressurized, etc.) 163
219/762 Load support 329
219/736 Radiation protection 66
219/698 Tunnel furnace 20
219/690 Waveguide applicator 113
219/702 With control system 327
219/679 With diverse device 264
219/680 With diverse-type heating 95
219/759 With heat exchange (e.g., susceptor, etc.) 374
219/761 With specific generator 93
219/760 With specific transformer 46


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8653482 RF controlled freezing Feb. 18, 2014
8648284 Composite materials and devices comprising single crystal silicon carbide heated by electromagnetic radiation Feb. 11, 2014
8642935 Microwave interactive flexible packaging Feb. 4, 2014
8629379 Apparatus and method for heating plastic preforms Jan. 14, 2014
8604398 Microwave purification process Dec. 10, 2013
8586898 Method and apparatus for dual applicator microwave design Nov. 19, 2013
8530807 Microwave oven and related method Sep. 10, 2013
8530808 Microwave-assisted heating and processing techniques Sep. 10, 2013
8492690 Microwave susceptor system Jul. 23, 2013
8492686 Device and method for heating using RF energy Jul. 23, 2013
8450667 Flexible, electrically heatable hose May. 28, 2013
8440946 System using a jet mill in combination with a microwave system to economically prepare clean coal for use in power generation May. 14, 2013
8426783 Microwave assisted chemical synthesis instrument with controlled pressure release Apr. 23, 2013
8367959 Method and apparatus for treating subcutaneous histological features Feb. 5, 2013
8361282 System and method using a microwave-transparent reaction chamber for production of fuel from a carbon-containing feedstock Jan. 29, 2013
8344300 Device to reduce shadowing during radiative heating of a substrate Jan. 1, 2013
8344301 Rapid and homogenous heat treatment of large metallic sample using high power microwaves Jan. 1, 2013
8282788 Extraction apparatus and method of extracting essential oils, essence, and pigments from odorous raw material by microwave heating under sub-critical conditions Oct. 9, 2012
8278610 Resonance chamber, especially for an apparatus for pasteurization of liquid products Oct. 2, 2012
8263917 Microwave heating device and heating method Sep. 11, 2012
8236237 Method and apparatus for destruction of biological and chemical agents Aug. 7, 2012
8138458 Microwave chemical reaction device Mar. 20, 2012
8134102 High-speed cooking oven with cooking support Mar. 13, 2012
8129665 Apparatus and method for heating or cooling an object using a fluid Mar. 6, 2012
8026463 High-speed cooking oven with optimized cooking efficiency Sep. 27, 2011
8022341 High-speed cooking oven with optimized cooking efficiency Sep. 20, 2011
7946136 Method and apparatus for forming glass flakes and fibres May. 24, 2011
7939785 Microwave-assisted chromatography preparation May. 10, 2011
7913417 System and method to control energy input to a material Mar. 29, 2011
7893621 Eggbeater transparent cathode for magnetrons and ubitrons and related methods of generating high power microwaves Feb. 22, 2011
7883664 Microwave drying process for vitrification of biologics Feb. 8, 2011
7868273 Microwave generator Jan. 11, 2011
7829828 Microwave assisted chemical synthesis instrument with controlled pressure release Nov. 9, 2010
7779783 Plasma processing device Aug. 24, 2010
7645965 Microwave oven having a coffee maker Jan. 12, 2010
7601936 Microwave system and method for controling the sterlization and infestation of crop soils Oct. 13, 2009
7586066 Hair styling device and method Sep. 8, 2009
7571814 Method for separating metal values by exposing to microwave/millimeter wave energy Aug. 11, 2009
7564011 Microwave oven Jul. 21, 2009
7541561 Process of microwave heating of powder materials Jun. 2, 2009
7514658 Apparatus and method for transmitting and receiving data in microwave oven Apr. 7, 2009
7476828 Media microwave oven Jan. 13, 2009
7476829 Pre treatment of multi-phase materials using high field strength electromagnetic waves Jan. 13, 2009
7420500 Electromagnetic radiation absorber Sep. 2, 2008
7409850 Systems and methods for maximizing heat transfer efficiency to and minimizing thermal gradients in an analytic column Aug. 12, 2008
7361303 Medical waste treatment unit Apr. 22, 2008
7354504 Dielectric profile controlled microwave sterilization system Apr. 8, 2008
7270842 Thermal gelation of foods and biomaterials using rapid heating Sep. 18, 2007
7256377 Coupled-waveguide microwave applicator for uniform processing Aug. 14, 2007
7250589 Microwave hyperthermia treatment apparatus and treatment system Jul. 31, 2007

1 2 3 4










 
 
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