H01F 27 - Details of transformers or inductances, in general

Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
12/2004
12/22/2004	EP1488513A2 Filter circuit having an fe-based core
12/22/2004	EP1488474A1 Integration of filters using on-chip transformers for rf and wireless applications
12/22/2004	EP1488432A1 "a magnetic structure assembly"
12/22/2004	EP1423877A4 Structure and method for fabrication of a leadless chip carrier with embedded inductor
12/22/2004	CN2665884Y Low loss iron core reactor with air gap
12/22/2004	CN2665883Y Transformer holding double circuit board
12/22/2004	CN1556535A Romote intelligent type transformer
12/22/2004	CN1556534A Square inkslab type magnetic core
12/22/2004	CN1181510C Ignition coil
12/22/2004	CN1181509C Electromagnetic device and high-voltage generating device and method of producing electromagnetic device
12/22/2004	CN1181508C Capacitive transformer preventing thunderstruck and interference
12/22/2004	CN1181507C Plate type common mode choke
12/21/2004	US6833603 Dynamically patterned shielded high-Q inductor
12/16/2004	WO2004109723A1 Inverter trasformer
12/16/2004	WO2004109722A1 Inverter trasformer
12/16/2004	WO2003096512A8 Contact-less power transfer
12/16/2004	US20040253465 coating a lamination of layered steel parts; vacuum impregnated with an acrylic resin having a high permeability that fills the gaps between the layers; curing; then insulation coating using anion electrodeposition; stator; saltwater protection
12/16/2004	US20040252596 Molded coil device for actuator of disc drive
12/16/2004	US20040252002 Electrical structural part and method of its manufacture
12/16/2004	US20040252000 Method of installing transformer winding coils and the transformer structure formed using such method
12/16/2004	US20040251998 Low voltage composite mold
12/16/2004	US20040251978 Voltage controlled oscillator
12/16/2004	DE202004014066U1 Trägerbauteil und Entstördrosselvorrichtung Carrier component and Entstördrosselvorrichtung
12/16/2004	DE10324888A1 Plug adapter voltage converter for connecting 12 Volt trailer lighting to 24 Volt locomotive has pulse effective power switching converters built into plug adapter with low but different frequencies
12/15/2004	EP1486997A1 Manufacturing method of coil insulation
12/15/2004	EP1486994A1 Composite core nonlinear reactor and induction power receiving circuit
12/15/2004	EP1486992A2 Molded coil device for actuator of disc drive
12/15/2004	EP1485927A1 Production of high or medium voltage windings for oil-immersed transformers and the windings thus produced
12/15/2004	CN2664134Y A semi-buried amorphous alloy combined transformer structure
12/15/2004	CN2664132Y Double layer tapping switch for transformer winding thermometer
12/15/2004	CN2664131Y A single machine 18-phase rectifier transformer
12/15/2004	CN2664130Y Novel voltage equalizing ball
12/15/2004	CN1180444C Battery for hand held device electricity recharge
12/14/2004	US6831845 High-voltage transformer
12/14/2004	US6831545 E-I or E-E transformer
12/14/2004	US6831544 Apparatus and method for PCB winding planar magnetic devices
12/14/2004	US6831543 Surface mounting type planar magnetic device and production method thereof
12/14/2004	US6831461 Magnetic resonance tomography apparatus having damping laminated sheets for reducing vibrations
12/14/2004	US6831388 Synchronous compensator plant
12/14/2004	US6829817 Apparatus and method for the manufacture of large transformers having laminated cores, particularly cores of annealed amorphous metal alloys
12/09/2004	WO2004107613A1 Device for absorbing noise
12/09/2004	WO2004107371A1 Electrical assembly, electrical device, cable and wire and method for producing an electrical assembly
12/09/2004	WO2004088679A3 Air de-humidifier for oil-insulated transformers, choke coils and step switches
12/09/2004	US20040246749 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
12/09/2004	US20040246090 Inductance part and electronic apparatus therewith
12/09/2004	US20040246088 Ferrite substrate for thin-film inductors, thin-film common mode filter using the substrate, thin-film common mode filter array using the substrate and manufacturing method of the substrate
12/09/2004	US20040246087 Electric component and method of producing the same
12/09/2004	US20040246085 Device and method for eliminating transformer excitation losses
12/09/2004	US20040246084 Multi-phasemagnetic element and production method therefor
12/09/2004	US20040245969 Power converters
12/09/2004	US20040245010 System and method for improving connectivity of multiple parallel connectors
12/09/2004	CA2527562A1 Device for absorbing noise
12/08/2004	EP1484951A2 Improving connectivity of multiple parallel conductors
12/08/2004	EP1483941A2 Magnetron drive boosting transformer
12/08/2004	EP1483767A1 Oil filter system
12/08/2004	EP1275467B1 Unleaded solder alloy and electronic components using it
12/08/2004	CN2662418Y 变压器 Transformer
12/08/2004	CN1179378C Monolithic inductor and its manufacturing method
12/08/2004	CN1179376C High-voltage transformer
12/08/2004	CN1179372C Powder for dust core and dust core
12/07/2004	US6828894 Isolation transformer arrangement
12/07/2004	US6828893 Transformer circuit arrangement
12/07/2004	US6828670 Module component
12/07/2004	US6827557 Mixing an amorphous alloy powder with a polyimide/phenolic resin binder dissolved in an organic solvent to evenly coat the binder in liquid phase on the surface of the alloy powder and heat treating; compression molding; magnetic flux
12/02/2004	WO2004105063A2 Transformer winding and production method thereof
12/02/2004	US20040240126 Planar inductive component and a planar transformer
12/02/2004	US20040239470 Harmonic filtering circuit with special transformer
12/02/2004	US20040239467 Configuration and method for manufacturing compact high current inductor coil
12/02/2004	US20040239466 Magnetic core device and assembly method
12/02/2004	US20040239464 Magnetron drive boosting transformer
12/02/2004	US20040239463 Variable inductor
12/02/2004	US20040238419 Oil filter system
12/02/2004	DE10320716A1 Anordnung von Leiterelementen Arrangement of circuit elements
12/02/2004	DE10319632A1 Pilot magnetic valve has mechanical, electrical connection arrangements in one interface region to achieve essentially simultaneous electrical, mechanical connection of actuator drive, main valve body
12/01/2004	EP1482522A2 Magnetic core device and assembly method
12/01/2004	CN2660662Y Anti-radiation type 3-phase high voltage rectifying transformer
12/01/2004	CN2660661Y Oil level indicator for wholley sealed transformer
12/01/2004	CN2660660Y Bushing of transformer
12/01/2004	CN1551257A Electric component and method of producing the same
12/01/2004	CN1551256A Transformer assembly, and power conversion apparatus and solar power generation apparatus using the same
12/01/2004	CN1551255A High voltage transformer and microwave oven provided with the same
12/01/2004	CN1551254A Thin coil winding component
12/01/2004	CN1551253A Electric component and method of producing the same
12/01/2004	CN1178564C Wiring method and wiring device and IC card manufacturing method
12/01/2004	CN1178381C Multilayer LC compound assembly and method for regulating such assembly frequency
12/01/2004	CN1178234C Transformer core
12/01/2004	CN1178233C Device for preventing explosion in electrical transformers
12/01/2004	CN1177942C Method for treating brittle thin metal strip and magnetic parts made from nanocrystalline alloy strip
11/2004
11/30/2004	US6825747 Integrated circuit inductors
11/30/2004	US6825746 Surface-mount coil and method for manufacturing same
11/30/2004	CA2107424C Apparatus for making a transformer core comprising strips of amorphous steel wrapped around the core window
11/25/2004	WO2004102764A1 Device for protecting a multiphase distribution transformer isolated in a liquid dielectric
11/25/2004	WO2004102665A1 High-density circuits that include inductors
11/25/2004	US20040233683 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings
11/25/2004	US20040233606 Electrostatic discharge protection component
11/25/2004	US20040233031 Electromagnetic interference suppressor
11/25/2004	US20040233029 Center tapped chip inductor
11/25/2004	US20040233028 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings
11/25/2004	US20040233015 Electromagnetic interference filter
11/25/2004	US20040232519 Electronic device and method of testing and of manufacturing

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