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Class Information
Number: 336/182
Name: Inductor devices > Winding formed of plural coils (series or parallel) > Two windings (e.g., transformer)
Description: Subject matter in which the inductor includes two windings, at least one of which is formed of plural coils.










Sub-classes under this class:

Class Number Class Name Patents
336/183 Coils of different windings interposed 121


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8665052 Transformer-based circuit with compact and/or symmetrical layout design Mar. 4, 2014
8648684 Voltage transforming apparatus Feb. 11, 2014
8643460 Transformer structure Feb. 4, 2014
8633793 Common mode filter Jan. 21, 2014
8576038 Tap changer with a polarity switch for a variable transformer Nov. 5, 2013
8564396 Laminar transformer having double-face secondary winding Oct. 22, 2013
8558651 Core fixing member and coil device Oct. 15, 2013
8559186 Inductor with patterned ground plane Oct. 15, 2013
8552828 System and method for a coreless transformer Oct. 8, 2013
8531261 Transformer and method for using same Sep. 10, 2013
8508323 Transformer Aug. 13, 2013
8502631 Three-phase line reactor with skew yoke core design Aug. 6, 2013
8502520 Isolated power converter Aug. 6, 2013
8497755 Hybrid transformer with transformation and improved harmonics functions, unbalanced current, and a power supply system thereof Jul. 30, 2013
8471663 Combined winding structure and magnetic device Jun. 25, 2013
8456267 High-impedance DC-isolating transmission line transformers Jun. 4, 2013
8427271 Reactor part Apr. 23, 2013
8410890 Combination wire connector and current transformer Apr. 2, 2013
8378776 Semiconductor structure with galvanically-isolated signal and power paths Feb. 19, 2013
8354910 Coil block and electronic device using the same Jan. 15, 2013
8344838 Transformer and transformer assembly Jan. 1, 2013
8288956 Lamp preheat circuit for a program start ballast with filament voltage cut-back in steady state Oct. 16, 2012
8284007 Magnetic package for a communication system Oct. 9, 2012
8242871 Transformer Aug. 14, 2012
8242873 Transformer, switching power supply device, and DC-DC converter device Aug. 14, 2012
8232857 Flux-coupled transformer for power amplifier output matching Jul. 31, 2012
8231616 Transformer for RF voltage sensing Jul. 31, 2012
8227763 Isolation circuit for transmitting AC power to a high-voltage region Jul. 24, 2012
8223509 Integrated transformer and power supply using the same Jul. 17, 2012
8217749 Coil component, transformer, switching power supply unit, and method for manufacturing coil component Jul. 10, 2012
8203412 Double active parts structure of reactor Jun. 19, 2012
8198968 System and method for multiple band transmission Jun. 12, 2012
8193890 Method and arrangement for winding a winding wire onto a winding body and associated magnet assembly for a solenoid valve Jun. 5, 2012
8193891 High voltage transformer with space-saving primary windings Jun. 5, 2012
8179223 Sheet type transformer and discharge lamp lighting apparatus May. 15, 2012
8125304 Power electronic module with an improved choke and methods of making same Feb. 28, 2012
8098124 High-voltage transformer and power supply for an X-ray tube including such a transformer Jan. 17, 2012
8079134 Method of enhancing on-chip inductance structure utilizing silicon through via technology Dec. 20, 2011
8077004 Electrical isolation device capable of limiting magnetic saturation even upon receipt of high power D.C. bias and, method for making the same and connector incorporating the same Dec. 13, 2011
8058959 Transformer and transformer assembly Nov. 15, 2011
8044754 Transformer for reducing electromagnetic interference and power transform circuit applied therein Oct. 25, 2011
8035833 Facsimile communication interface unit capable of preventing data error caused by noise by using a transformer and the transformer thereof Oct. 11, 2011
8022804 Winding assembly Sep. 20, 2011
8004380 Transformer Aug. 23, 2011
7999649 Power transmission transformer for noncontact power transfer device Aug. 16, 2011
7999648 Wire-wound coil and method for manufacturing wire-wound coil Aug. 16, 2011
7973614 Invisible balun and method of making same Jul. 5, 2011
7969272 Planar core structure Jun. 28, 2011
7969269 Pick-up apparatus for inductive power transfer systems Jun. 28, 2011
7969270 Communications transformer Jun. 28, 2011

1 2 3 4 5










 
 
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