DET INTERNATIONAL HOLDING LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 3666
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 2460
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 8112
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 572
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 5151
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 3156
 
  
 
B41F PRINTING MACHINES OR PRESSES 242
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 2131
 
  
 
B05C APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 144
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0087,431 Power supply with surge voltage protectionSep 15, 15Mar 24, 16[H02H]
2015/0131,343 RESISTORLESS PRECHARGINGNov 07, 14May 14, 15[H02M]
2013/0314,188 Magnetic Structure for Large Air GapMay 05, 13Nov 28, 13[H01F]
2013/0149,028 LOCKING DEVICEDec 07, 12Jun 13, 13[F16B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9899905 Ripple compensation circuit of power supply and compensation method thereofJun 15, 16Feb 20, 18[H02M]
9859786 Resistorless prechargingNov 07, 14Jan 02, 18[H02M]
9825378 Mounting clipApr 04, 16Nov 21, 17[H01R]
9781841 Soldering apparatus with automatic aligning functionMar 27, 15Oct 03, 17[B23K, H05K]
9739821 Arc detectionMay 23, 14Aug 22, 17[G01R, H02H]
9705416 LLC balancingFeb 10, 16Jul 11, 17[H02J, H02M]
9652008 Power moduleApr 02, 15May 16, 17[G06F]
9553526 Bypassed cascaded cell converterJan 23, 14Jan 24, 17[H02M, H02P, H01F]
9537463 Choke and EMI filter with the sameDec 30, 13Jan 03, 17[H04B, H03H, H01F, H02H]
9530556 Multiple resonant cells for wireless power matsMay 06, 13Dec 27, 16[H02J, H01F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0239,886 Automatic Protocol (AP) for USB Charger SystemAbandonedOct 01, 12Aug 28, 14[H02J]
8597059 Plug movable to a plurality of positions depending upon characteristics of a load deviceExpiredAug 31, 11Dec 03, 13[H01R]
2009/0102,593 Coil formAbandonedSep 22, 08Apr 23, 09[H01F]
2008/0211,310 PORTABLE POWER SUPPLY APPARATUS CAPABLE OF RECEIVING AC OR DC INPUT POWERAbandonedJan 08, 08Sep 04, 08[H02J]
2008/0137,386 PORTABLE POWER SUPPLY APPARATUS CAPABLE OF RECEIVING AC OR DC INPUT POWERAbandonedFeb 22, 07Jun 12, 08[H02M]
2007/0115,700 Transformer with current sensing meansAbandonedNov 02, 06May 24, 07[H02M]
2005/0122,682 Electronics arrangementAbandonedMay 29, 03Jun 09, 05[H05K]
5045771 Method and circuit for preventing transients from damaging a switching regulatorExpiredApr 21, 90Sep 03, 91[G05F]

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