Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
09/2004
09/15/2004CN2641784Y Dry type transformer of resin casted insulation winding iron core
09/15/2004CN2641783Y High voltage transformer with plurality of output on primary coil for microwave oven
09/15/2004CN2641782Y Core column splicing structure for iron core of transformer
09/15/2004CN2641781Y Silicon steel core interval structure
09/15/2004CN2641780Y Casing assembly for intelligent power transformer
09/15/2004CN2641779Y Seal type underground distribution transformer
09/15/2004CN2641768Y Composite conductive wire
09/15/2004CN1529404A Three-phase split phase-shifting transformer for high-voltage frequency conversion and its use
09/15/2004CN1167206C Remote feeder reactance coil
09/15/2004CN1167179C Electrical machine comprising stator with windings
09/15/2004CN1167090C High voltage tranformer used for microwave oven and its manufacturing method
09/14/2004US6791446 Inductance component comprising a permanent magnet greater in sectional area than a magnetic path and disposed in a magnetic gap
09/14/2004US6791445 Coil-embedded dust core and method for manufacturing the same
09/14/2004US6791435 Multilayer LC filter with improved magnetic coupling characteristics
09/14/2004US6791268 Noise filter for a high frequency generator
09/14/2004US6789311 Method of manufacturing a lacquer coated wire
09/14/2004CA2233802C Bobbin with integral support tabs
09/10/2004WO2004077459A1 Insulating element, toroidal core, toroidal core choke, and method for producing said toroidal core choke
09/09/2004US20040174643 Transformer winding
09/09/2004US20040174241 Planar transformer and output inductor structure with single planar winding board and two magnetic cores
09/09/2004US20040174240 Electrical device and method of producing the same
09/09/2004US20040174239 Coil-embedded dust core and method for manufacturing the same
09/09/2004US20040174145 Transformer/rectifier arrangement
09/09/2004US20040173911 Semiconductor device
09/09/2004US20040172806 Method for manufacturing coil device
09/09/2004DE202004010463U1 Electromagnetic interference filter, for relatively-large currents, has inductive component comprising rectangular core portion and two separate windings
09/09/2004DE10308010A1 Isolierteil, Ringkern, Ringkerndrossel und Verfahren zur Herstellung der Ringkerndrossel Insulating, toroidal, toroidal-core inductor and method of manufacturing the toroidal core choke
09/08/2004CN1528004A COil filter and method for manufacturing the same
09/08/2004CN1527330A 线路滤波器 Line filter
09/08/2004CN1165924C Pouring cast winding without outlet fault and formation technology thereof
09/07/2004US6788184 High frequency transformer with integrated rectifiers
09/07/2004US6788181 Chassis of surface mounted inductor
09/07/2004US6788179 Inductive miniature component for SMD-mounting and method for the production thereof
09/07/2004US6787704 Method and apparatus for increasing the rating of a transformer
09/02/2004US20040169567 Common mode choke coil with vertically arranged edgewise windings of rectangular wire
09/02/2004DE202004008250U1 Kombination aus Stromversorgung und abnehmbarem elektrischem Werkzeug Combination of power and removable electric tool
09/02/2004DE10004814B4 Telefon-Stromversorgungssystem zum Einbau in einen Wechselstromadapter als Stromversorgung für Telefone Phone power supply system for installation in an AC adapter as a power supply for phones
09/01/2004EP1453178A1 Electrical Machine
09/01/2004EP1147234B1 Method for treating a brittle thin metal strip and magnetic parts made from a nanocrystalline alloy strip
09/01/2004CN2638212Y Iron core improved structure of transformer
09/01/2004CN2638211Y Ring-type three-phase transformer in core
09/01/2004CN1526171A Integrated coil inductors for ic devices
09/01/2004CN1525631A Microminiature power converter
09/01/2004CN1165058C Harmonic wave shielding balanced transformer
09/01/2004CN1165057C Capacitor controlled high-voltage winding
08/2004
08/31/2004US6784782 Composite magnetic body, and magnetic element and method of manufacturing the same
08/31/2004US6784781 Reactor and ballast system
08/31/2004US6784772 Electric solenoid with adaptable connectors and mountings
08/31/2004US6784762 Laminated LC filter where the pattern widths of the central portion air is greater than the end portions
08/31/2004US6784518 Integrated circuit device comprising an inductor with high quality coefficient
08/26/2004WO2004073039A2 Ultra broadband inductor assembly
08/26/2004WO2004072994A2 Polymer sheet core and coil insulation for transformer
08/26/2004WO2004071934A2 Encapsulated solenoid assembly having an integral armor tube cable protector
08/26/2004US20040166370 capable of being thinned and mounted on the surface of a printed board; small power loss and large inductance; Excellent frequency characteristic, small disparity of the characteristic and excellent reliability
08/26/2004US20040164835 High density inductor and method for producing same
08/26/2004US20040164834 Transformer
08/26/2004US20040164832 Axially potted progressive wound remote mount ignition coil
08/26/2004US20040163249 Method of assembling a bobbin
08/26/2004DE10303814A1 Magnetic locking arrangement for hinged or longitudinal moving frame part of door or window has first and second magnet locking units arranged at frames with receptacle for damping element
08/26/2004DE10261003A1 Electromagnetic transformer especially for High-Intensity-Discharge lamps has several layered secondary windings on high voltage side that are arranged on top of each other and wound from isolated wire
08/25/2004EP1450381A1 Axially potted progessive wound remote mount ignition coil
08/25/2004EP1450379A2 Component directly on telephone coil
08/25/2004CN2636388Y Transformer sleeve
08/25/2004CN1523617A High density inductor and method for producing same
08/25/2004CN1523616A Combined type filter element capable of preventing electromagnetic interference and manufacturing technique thereof
08/25/2004CN1164029C Noise inhibiting wave filter
08/25/2004CN1163919C Coil assembly
08/25/2004CN1163918C Multi-layer inductive component and mfg. method
08/25/2004CN1163697C Microwave oven
08/24/2004US6781501 Low external field inductor
08/24/2004US6781499 Inductive component with wire-guiding slots
08/24/2004US6781497 Apparatus and method for situating an inductive element onto a rod in an electrical circuit
08/24/2004US6781239 Integrated circuit and method of forming the integrated circuit having a die with high Q inductors and capacitors attached to a die with a circuit as a flip chip
08/24/2004US6779250 Integrated circuit inductors
08/19/2004WO2004070746A1 Spiral inductor and transformer
08/19/2004WO2004070741A2 Power measurement in a transformer coupled plasma source
08/19/2004WO2004051677A3 Rod ignition coil
08/19/2004US20040160298 Inductor module including inductor windings wound on a common inductor core
08/19/2004DE20306162U1 Electromagnetic coil has coils which are wound on to cylindrical base made from rigid thermoplastic, sleeves of rigid thermoplastic being fitted on base and melted to encapsulate coils
08/19/2004DE10355142A1 Induktor mit resistivem Abschluß Inductor with resistive termination
08/19/2004DE10304459A1 Gas sensor to monitor the temperature of oil in an oil-cooled transformer by infrared gas absorption with laser diode and photo-detector
08/19/2004DE10250957B3 Superconducting transformer coil design, includes composite axial tie bar designed to match coil length during cooling to operational temperature
08/18/2004EP1446862A1 Motionless electromagnetic generator
08/18/2004CN2634615Y Anti-jamming inductance coil
08/18/2004CN2634614Y 铁路用变压器 Railroad transformer
08/18/2004CN2634613Y Pulse transformer
08/18/2004CN2634612Y Transformer structure
08/18/2004CN1522450A Multiple-interleaved integrated circuit transformer
08/18/2004CN1521776A Compound arrangement multilayer electronic assembly external electrode slurry dipping process and fixture for slurry dipping thereof
08/18/2004CN1162879C Laminated inductor
08/18/2004CN1162877C Winding with core tube
08/17/2004US6778060 Winding for a transformer or a coil and method for producing the winding
08/17/2004US6778056 Inductance component having a permanent magnet in the vicinity of a magnetic gap
08/17/2004US6778055 Core member for winding
08/17/2004US6777835 Electrical power cooling technique
08/12/2004WO2004068637A2 Electrical bushing comprising an upper part which forms an inclined appendage and production method thereof
08/12/2004WO2004068509A2 Inductive component and method of manufacturing same
08/12/2004WO2004067982A1 Assembling structure of field coil
08/12/2004WO2004067631A1 Resin composition, cured resin, cured resin sheet, laminate, prepreg, electronic part, and multilayer substrate
08/12/2004WO2004067600A1 Electronic material composition, electronic product and method of using electronic material composition