Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
09/2007
09/19/2007CN101039028A Electric potential compensation process for reducing neutral point direct current of high-voltage grid transformer
09/19/2007CN101038815A 电感器 Inductor
09/19/2007CN101038814A Chip low temperature co-fired ceramic co-mode filter
09/19/2007CN101038813A Laminated inductor
09/19/2007CN101038799A Multi-layer plastic insulation wire
09/19/2007CN100338985C 噪音吸收器 Noise absorbers
09/19/2007CN100338699C Transformer and transformer unit with said transformer
09/19/2007CN100338698C Planar inductance
09/18/2007USRE39840 Electrical bushing with resin casting
09/18/2007US7271697 Miniature circuitry and inductive components and methods for manufacturing same
09/18/2007US7271696 Two part transformer core, transformer and method of manufacture
09/18/2007US7271695 Electromagnetic apparatus and method for making a multi-phase high frequency electromagnetic apparatus
09/18/2007US7271694 Structure of transformer
09/18/2007US7271693 On-chip inductor with magnetic core
09/18/2007US7271691 Method of winding coil and transformer and inverter liquid crystal display having coil wound using the same
09/18/2007US7271690 High current long life inductor
09/18/2007US7271465 Integrated circuit with low-loss primary conductor strapped by lossy secondary conductor
09/13/2007WO2007102461A1 Lc filter and electronic device using same
09/13/2007WO2005115082A3 Method for removal of reactive sulfur from insulating oil by exposing the oil to a sulfur scanvenger and a polar sorbent
09/13/2007US20070210888 Ignition coil
09/13/2007US20070210887 Transformer and electronic device utilizing the same
09/13/2007DE102005050112B4 Verfahren zur Diagnose der dielektrischen Alterung an Einzelkomponenten von elektrischen Anlagen und Geräten mittels Verlustfaktormessungen mit Frequenzen kleiner als die Frequenz der öffentlichen, elektrischen Versorgungsnetze A method of diagnosing the dielectric aging of individual components of electrical equipment and devices using dissipation factor measurements at frequencies lower than the frequency of the public, electrical supply networks
09/12/2007EP1833063A1 Magnetic device
09/12/2007EP1833062A1 A method for winding a coil, a winding form, and a coil
09/12/2007EP1831902A1 An electrical induction device for high-voltage applications
09/12/2007EP1831901A1 Electrical component with a cooling circuit for underwater operation
09/12/2007CN200947381Y Single-phase amorphous iron-core transformer
09/12/2007CN200947378Y Insulation cylinder screen for 500KVSF current transformer
09/12/2007CN200947377Y 网络变压器 Network transformer
09/12/2007CN200947376Y Epoxide resin casting transformer coil with flame-proof closed termination ring
09/12/2007CN200947375Y High-capacity multisublevel current transformer
09/12/2007CN200947374Y High-voltage transformer for microwave oven
09/12/2007CN200947373Y Multiple parallel wires coiling continuous coil composite switch structure
09/12/2007CN200947372Y Transformer oil storage sinking type barrier diaphragm structure
09/12/2007CN200947371Y Double compound structure for bobbin winder bracket and insulated cover
09/12/2007CN200947362Y Single-surface film mica tape covered rectangular copper wire
09/12/2007CN101036294A Filter circuit, differential transmission system having same, and power supply
09/12/2007CN101036204A Toroidal-core transformer
09/12/2007CN101036203A Device for electrical isolation, toroidal core choke, and method for producing the toroidal core choke
09/12/2007CN101034619A Wound coil component
09/12/2007CN101034618A 电感结构 Inductance structure
09/12/2007CN101034617A Clamping, compacting and lifting system for electric transformers and reactors
09/12/2007CN101034616A Multi-function combined ripple expansion oil storage cabinet
09/12/2007CN101034615A Surface-mounted choke coil
09/12/2007CN101034614A Symmetric difference induction structure
09/12/2007CN100337056C Electromagnetic valve with terminal box
09/11/2007US7269031 Board-mounting device
09/11/2007US7268658 Transformer having leakage inductance control structure
09/11/2007US7268657 Coil component
09/11/2007US7268656 Voltage-controlled rectifier for motor vehicle
09/11/2007US7268655 Ignition coil with secondary winding center tap connected to shield
09/11/2007US7268461 Low cost electrical motor components manufactured from conductive loaded resin-based materials
09/11/2007US7268293 Surface coating of lapped insulation tape
09/11/2007US7268174 Homogeneous alumoxane-LCT-epoxy polymers and methods for making the same
09/11/2007US7266882 Method of manufacturing a miniaturized three- dimensional electric component
09/07/2007WO2007099931A1 Amorphous transformer for electric power supply
09/07/2007WO2007099928A1 Broadband oscillator
09/07/2007WO2007098840A1 Method for drying a dehumidifier
09/07/2007WO2000028682A3 A method and apparatus for two-dimensional filtering in a communications system using a transformer system
09/07/2007CA2644521A1 Amorphous transformer for electric power supply
09/07/2007CA2637899A1 Method of drying an air dehumidifier
09/06/2007DE10213487B4 Verfahren zur Bildung eines laminierten Kerns und einer Ventilantriebsvorrichtung von elektromagnetischer Art A method of forming a laminated core and a valve driving apparatus of electromagnetic type
09/06/2007DE102006008922A1 Elektrische Abschirmanordnung An electric shielding
09/05/2007EP1830402A2 A spiral inductor formed in a semiconductor substrate and a method for forming the inductor
09/05/2007EP1829063A1 Two part transformer core, transformer and method of manufacture
09/05/2007EP1829059A1 Method for producing a winding conductor for electrical appliances, and winding conductor producing according to said method
09/05/2007EP1671338B1 Ignition coil for a spark ignition engine
09/05/2007CN200944363Y Fixed plate type carrier-free voltage regulating switch
09/05/2007CN200944348Y Silicon rubber current mutual inductor
09/05/2007CN200944347Y Common-tower dynamic simulation test system
09/05/2007CN200944346Y Transformer with connector
09/05/2007CN200944344Y On-load regulating capacitor transformer
09/05/2007CN200944342Y High voltage generation device coil
09/05/2007CN200944341Y Multi-conbination parallel wires with protection insulator
09/05/2007CN200944340Y Foil winding of continuous coiling
09/05/2007CN200944339Y Isolated ultrahigh capacity induction regulator
09/05/2007CN200944338Y Radiator with top-mounted transformer
09/05/2007CN200944337Y Transformer structure of compact American style substation
09/05/2007CN200944336Y Transformer with top-mounted radiator
09/05/2007CN101031985A Dispositif de prevention contre l'explosion d'un transformateur electrique
09/05/2007CN101030475A Inductive coil insulating treatment of vacuum furnace
09/05/2007CN101030474A Local digitizer of analog mutual inductor
09/05/2007CN101030473A Nano-crystal soft magnetic wide frequency-band current sampler
09/05/2007CN101030472A Filter and its coil arrangement frame
09/05/2007CN101029618A Ignition-coil assembly especially used for gas engine
09/05/2007CN100336141C Ferrite core and producing method thereof and common-mode noise filter using the same ferrite core
09/04/2007US7265651 Inductive component and method for the production thereof
09/04/2007US7265650 Power factor correction rectifier having independent inductive components
09/04/2007US7265649 Flexible inductive resistivity device
09/04/2007US7265648 Composite core nonlinear reactor and induction power receiving circuit
08/2007
08/30/2007WO2007097487A1 Automatic high voltage regulator
08/30/2007WO2007096299A1 Electrical shielding arrangement
08/30/2007US20070199734 Method For Manufacturing Electronic Components, Mother Substrate, And Electronic Component
08/30/2007US20070199443 Method For Dehumidifying Air And Air Dehumidifier For Oil-Insulated Transformers, Reactance Coils And Step Switches
08/30/2007DE202007008020U1 Gleichstrom-Drossel DC reactor
08/30/2007DE102006026364A1 Inductive component e.g. coil, for surface mounted device printed circuit board assembly, has recess provided on side of supporting units for accommodating and guiding connecting cable of electrical components
08/30/2007CA2642916A1 Electrical shielding arrangement
08/30/2007CA2633933A1 Improved method for on-line removal of corrosive components of transformer oil
08/29/2007EP1826785A1 Transformer and circuit comprising said transformer
08/29/2007EP1826710A1 Noncontact data receiver/transmitter