AMBRELL CORPORATION

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Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1794
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 795
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 575
 
  
 
F24C OTHER DOMESTIC STOVES OR RANGES; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION 231
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 191
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 144
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
H03F AMPLIFIERS 182

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9554423 Induction heating systemOct 25, 13Jan 24, 17[H05B]
9439246 Dynamic power balancing among multiple induction heater power unitsMar 18, 14Sep 06, 16[H02J, H02M, H05B]
9167631 Power system component protection system for use with an induction heating systemAug 24, 07Oct 20, 15[H05B, G05B]
9000335 Food heaterNov 08, 10Apr 07, 15[H05B]
8803047 Induction heating systems and methods for producing an object having a varying hardness along the length of the objectDec 14, 10Aug 12, 14[H05B, C21D]
8481893 Portable food heaterSep 24, 10Jul 09, 13[F27D, F24C]
8331115 Power switching system to increase induction heating to a load from available AC mains powerJul 29, 10Dec 11, 12[H02M]
8283985 Automatic frequency compensation for pulse width modulated RF level controlNov 30, 09Oct 09, 12[H03L]
8269532 Constant phase angle control for frequency agile power switching systemsMar 14, 11Sep 18, 12[H03L]
7995362 High voltage full bridge circuit and method for operating the sameFeb 09, 09Aug 09, 11[H02M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7432479 Method and apparatus for inductive heating of a food containerExpiredJan 20, 06Oct 07, 08[H05B]
2007/0170,174 Food inductive heating device and methodAbandonedJan 20, 06Jul 26, 07[H05B]
6812445 Electrode apparatus for stray field radio frequency heatingExpiredMar 14, 03Nov 02, 04[H05B]
6664881 Efficient, low leakage inductance, multi-tap, RF transformer and method of making sameExpiredJun 08, 00Dec 16, 03[H01F]
6359267 Induction heating systemExpiredJul 26, 00Mar 19, 02[H05B]
6157258 High frequency power amplifierExpiredMar 17, 99Dec 05, 00[H03F]

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