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Class Information
Number: 336/214
Name: Inductor devices > Multiple magnetic paths
Description: Inductor devices comprising inductor core structure with more than one independent and distinct closed loop of magnetic material, the loops forming closed magnetic circuits adapted to thread through and about the coil means of the inductor.










Sub-classes under this class:

Class Number Class Name Patents
336/215 Three or more 86


Patents under this class:

Patent Number Title Of Patent Date Issued
8601673 Method of producing an inductor with a high inductance Dec. 10, 2013
8576037 Dual output autotransformer Nov. 5, 2013
8536971 Magnetic component Sep. 17, 2013
8421578 Magnetic device and method for generating inductance Apr. 16, 2013
8416045 Magnetic power converter Apr. 9, 2013
8188830 Transformer and switching power supply unit May. 29, 2012
8035470 Protection of permanent magnets in a DC-inductor Oct. 11, 2011
8009003 Method for powering a magnetic coupler and device for powering an electric dipole Aug. 30, 2011
7994891 Stacked inductive device assemblies and methods Aug. 9, 2011
7924134 Inductor packaging for power converters Apr. 12, 2011
7915989 Magnetic element and magnetic core assembly having reduced winding loss Mar. 29, 2011
7893807 Magnetic element Feb. 22, 2011
7886425 Method of manufacturing a transformer Feb. 15, 2011
7849586 Method of making a power inductor with reduced DC current saturation Dec. 14, 2010
7830238 Electromagnetic current limiter device Nov. 9, 2010
7768373 Common mode, differential mode three phase inductor Aug. 3, 2010
7728708 Transformer apparatus, inverter transformer, and drive circuit Jun. 1, 2010
7584533 Method of fabricating an inductor structure on an integrated circuit structure Sep. 8, 2009
7568278 Method of manufacturing inductor Aug. 4, 2009
7352269 Method for making magnetic components with N-phase coupling, and related inductor structures Apr. 1, 2008
7332992 Transformer Feb. 19, 2008
7271695 Electromagnetic apparatus and method for making a multi-phase high frequency electromagnetic apparatus Sep. 18, 2007
6937130 Magnetic field production system, and configuration for wire-free supply of a large number of sensors and/or actuators using a magnetic field production system Aug. 30, 2005
6933822 Magnetically influenced current or voltage regulator and a magnetically influenced converter Aug. 23, 2005
6822545 Integrated circuit inductors Nov. 23, 2004
6791447 Configuration for producing electrical power from a magnetic field Sep. 14, 2004
6774758 Low harmonic rectifier circuit Aug. 10, 2004
6765467 Core support assembly for large wound transformer cores Jul. 20, 2004
6744343 Flyback transformer mounting structure for video apparatus Jun. 1, 2004
6734773 Transformer with integrated inductor May. 11, 2004
6400249 Transformer providing low output voltage Jun. 4, 2002
6366034 Electric current variable-type inductor having closed loop characteristics and a horizontal linearity compensation circuit Apr. 2, 2002
6362718 Motionless electromagnetic generator Mar. 26, 2002
6317021 Variable inductor Nov. 13, 2001
6137391 Flux-controlled type variable transformer Oct. 24, 2000
6046664 Welding power supply transformer apparatus and method Apr. 4, 2000
6014071 Choke coil Jan. 11, 2000
5977853 Choke coil for eliminating common mode noise and normal mode noise Nov. 2, 1999
5841335 Choke coil Nov. 24, 1998
5793273 Choke coil for suppressing common-mode noise and normal-mode noise Aug. 11, 1998
5675306 Resonant electromagnetic field amplifier utilizing a magnetic LRC resonant circuit Oct. 7, 1997
5639566 Magnetic core Jun. 17, 1997
5481238 Compound inductors for use in switching regulators Jan. 2, 1996
5155676 Gapped/ungapped magnetic core Oct. 13, 1992
4914381 Direct-coupled fluxgate current sensor Apr. 3, 1990
4853668 Integrated magnetic converter core Aug. 1, 1989
4658799 Ignition coil assembly for internal combustion engines Apr. 21, 1987
4485368 Electrical shunt reactor coil Nov. 27, 1984
4453109 Magnetic transformer switch and combination thereof with a discharge lamp Jun. 5, 1984
4210859 Inductive device having orthogonal windings Jul. 1, 1980











 
 
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