Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
06/1999
06/15/1999US5912610 High energy inductor
06/15/1999US5912609 Pot-core components for planar mounting
06/15/1999CA2191489C System for coupling external leads to a multitap transformer
06/10/1999WO1999029026A1 A method in electric machines
06/10/1999WO1999029024A1 Insulated electrical conductor and contacting method
06/10/1999WO1999029022A1 Insulated conductor for high-voltage machine windings
06/10/1999WO1999029021A1 An insulated conductor
06/10/1999WO1999029020A1 Electricity supply system
06/10/1999WO1999029019A1 Traction motor and drive system
06/10/1999WO1999028934A2 Flux control for high power static electromagnetic devices
06/10/1999WO1999028931A2 A reactor
06/10/1999WO1999028927A2 A power transformer/reactor
06/10/1999WO1999028926A2 A transformer/reactor and a method for manufacture of a transformer/reactor
06/10/1999WO1999028925A2 Transformer core with cooling flanges
06/10/1999WO1999028924A1 A transformer
06/10/1999WO1999028923A1 Transformer
06/10/1999WO1999028922A2 Shell transformer/reactor
06/10/1999WO1999028920A1 A winding for a magnetic component assembly
06/10/1999DE19838587A1 Electrical inductor for chip element
06/10/1999DE19752847A1 Chip-type toroidal core choke e.g. for data and signal transmission lines
06/10/1999CA2315621A1 Flux control for high power static electromagnetic devices
06/10/1999CA2310836A1 Traction motor and drive system
06/10/1999CA2310501A1 Electricity supply system
06/10/1999CA2309284A1 An insulated conductor
06/10/1999CA2309270A1 Insulated conductor for high-voltage machine windings
06/10/1999CA2308431A1 Transformer
06/09/1999EP0921542A1 Chip inductor and method for manufacturing the same
06/09/1999EP0921539A2 Low-voltage contacts for high- and very high-intensity currents, particularly for electric transformers
06/09/1999EP0921538A2 Electric component, in particular coil, preferably for SMD assembly technique
06/09/1999CN2323460Y Ferromagnetic core
06/09/1999CN2323459Y Enforced oil circulation air cooler
06/09/1999CN2323458Y Convenient-to-assemble transformer body device
06/03/1999WO1999027546A1 Electromagnetic device
06/03/1999WO1999027545A1 Advanced electronic microminiature package and method
06/03/1999CA2309733A1 Electromagnetic device
06/02/1999EP0920036A1 Integrated circuit transformer
06/02/1999EP0919064A1 Planar winding structure and low profile magnetic component having reduced size and improved thermal properties
06/02/1999EP0919062A1 Planar transformer
06/02/1999EP0871565A4 Process for preparing an insulated multilayer structure
06/02/1999DE19751548A1 Discharge lamp starter transformer has a closed or gap core of electrically non-conductive material
05/1999
05/26/1999EP0918341A2 Electric transformer for high- and very high-intensity currents, particularly for furnaces and rectifiers
05/26/1999EP0917718A1 Winding, particularly for a high-voltage ignition coil circuit
05/26/1999CN1217552A Variable inducer
05/25/1999US5906040 Method and apparatus for manufacturing a magnetic core
05/20/1999WO1999024970A2 Slider and electro-magnetic coil assembly
05/19/1999EP0917164A2 Multiple parallel conductor for windings of electric devices and machines
05/19/1999EP0917163A2 Magnetic component assembly
05/19/1999EP0917162A2 Variable inductor device
05/19/1999CN2319909Y Segmental transformer high voltage coil skeleton
05/19/1999CN2319908Y Spiral plate-type oil-water cooler air bleeding and dregs discharging device of transformer
05/19/1999CN2319907Y Plugging-in transformer module
05/19/1999CN2319906Y 改进型变压器 Improved transformer
05/19/1999CN1216853A Reactive compensation transformer
05/18/1999US5904953 Insulated metallic strip and method for producing same
05/18/1999CA2180992C High current, low profile inductor and method for making same
05/14/1999WO1999022565A2 Planar magnetic component with transverse winding pattern
05/14/1999WO1998054733A3 Low profile pin-less planar magnetic devices and method of making same
05/12/1999CN2318702Y Small variable-ratio current transformer
05/12/1999CN2318699Y Transformer capable of testing thermal fuse performance
05/12/1999CN2318698Y Filled resin thin insulation pouring transformer
05/12/1999CN2318697Y Radiating fuel tank with internal column pipe
05/12/1999CA2251138A1 Multiwire parallel conductor
05/11/1999US5903431 Multiple single layer monolithic passive integrated circuits and method
05/11/1999US5903207 Wire wound inductors
05/11/1999US5901433 Cylindrical coil winding structure of flyback transformer
05/06/1999WO1999022381A1 Multilayer insulated wire and transformers made by using the same
05/06/1999EP0913842A1 Protective method of support for an electromagnetic apparatus
05/06/1999EP0913841A1 Electromagnetic appararus support mechanism
05/06/1999DE19748147A1 Static compensator for reactive power compensation in electrical power supply network
05/05/1999CN2317538Y Prefastening device for transformer
05/05/1999CN2317535Y Antimagnetic structure with magnetic core reactor
05/05/1999CN1215901A Magnetic core for saturable reactor, multi-output switching regulator and computer having multi-output switching regulator
05/05/1999CN1215900A Inductor and method of manufacturing the same
05/04/1999US5900797 Coil assembly
05/04/1999US5900796 For suppressing high frequency electric noise to and from a cable
05/04/1999US5898991 Methods of fabrication of coaxial vias and magnetic devices
04/1999
04/28/1999EP0910886A1 Rotary electric machine with radial cooling
04/28/1999EP0910885A1 Rotary electric machine with axial cooling
04/28/1999EP0910857A1 Planar transformer
04/28/1999CN2316715Y Anti-theft multi-purpose transformer
04/27/1999US5898354 Molding structure for flyback transformer
04/27/1999US5898353 Magnetic fluid cooler transformer
04/27/1999US5898236 Magnetic switch coupling to synchronize magnetic modulators
04/22/1999WO1999019889A1 Radio interference suppression choke
04/22/1999WO1999019885A1 Multilayer insulated wire and transformers made by using the same
04/22/1999WO1999019139A1 Bumped substrate assembly
04/22/1999DE19745812A1 Transformer with frame-shaped plate packet for power supply system
04/22/1999DE19741364A1 Verfahren und Vorrichtung zur Herstellung von aus Blechlamellen bestehenden Paketen für Magnetkerne Method and apparatus for the production of packages composed of laminations for magnetic cores
04/21/1999EP0755423B1 Method for adhering sintered material components
04/21/1999CN2315642Y New transformer base structure
04/20/1999US5896278 Non-contact electric power transmission apparatus
04/20/1999US5896079 High frequency common mode ferrite bead
04/20/1999US5896077 Terminal for surface mountable electronic device
04/20/1999US5895544 Method of controlling distance between members during article manufacture and article made thereby
04/20/1999US5895026 Foil wound coil for a solenoid valve
04/20/1999US5894884 Liquid filled cooling fin with reinforcing ribs
04/15/1999WO1999018583A1 Multilayer insulated wire and transformer using the same
04/14/1999CN2314498Y Low voltage distribution cupboard style transformer
04/14/1999CN2314497Y Transformer switch assembly
04/14/1999CN2314455Y Transformer switch assembly