Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
09/2000
09/05/2000US6114938 Variable inductor device
09/05/2000US6114937 Integrated circuit spiral inductor
09/05/2000US6114936 Multilayer coil and manufacturing method for same
09/05/2000US6114934 Variable linearity coil
09/05/2000US6114933 Pencil ignition coil assembly module environmental shield
09/05/2000US6114932 Inductive component and inductive component assembly
09/05/2000US6114624 Padmounted distribution transformer tank
09/05/2000CA2201809C Disconnector switch for disconnecting a high-voltage arrester from ground
08/2000
08/31/2000DE19914020C1 Coil-wound hardware items noise reduction procedure especially for chokes and transformers
08/30/2000EP1032001A1 Inductive component, integrated transformer, in particular for a radio frequency circuit, and associated integrated circuit with such inductive component or integrated transformer
08/30/2000CN1265216A Active control of acoustic output in gradient coils
08/26/2000CA2298318A1 Inductive component, integrated transformer, intended to be incorporated into a radio frequency circuit, and integrated circuit associated with the said inductive component or integrated transformer
08/24/2000WO2000049630A1 Device in electrical systems
08/24/2000WO2000049629A1 Energy efficient hybrid core
08/24/2000WO2000049628A1 Stacked magnetic transformer core with center leg s-joints
08/24/2000DE19723958C2 Spannverband Pressure assembly
08/24/2000CA2328710A1 Energy efficient hybrid core
08/23/2000CN2393208Y Longitudinal-covering-type insulation protective cover for outlet connector of electric transformer
08/23/2000CN2393207Y Conductive rod for box-type transformer
08/23/2000CN2393206Y Conductive rod
08/23/2000CN2393205Y Wire iron-core
08/23/2000CN2393204Y Double-sealing diaphragm type oil-storing cabinet
08/22/2000US6105236 Magnetic structure for minimizing AC resistance in planar rectangular conductors
08/17/2000DE19904734A1 Ferrite coil manufacture
08/16/2000EP1027711A2 A method and an arrangement for regulating a transformer/reactor, and a transformer/reactor
08/16/2000CN2392242Y Back pressing type transformer sleeve
08/16/2000CN2392241Y Cup with cover type moisture-absorber for transformer
08/16/2000CN1263516A Colloidal insulating and cooling fluid
08/16/2000CN1263348A Composite insulating material and its production method
08/15/2000US6104272 Inductor and production method thereof
08/15/2000US6104110 Electrical noise suppressor for direct current motor
08/15/2000US6102741 Common mode filter connector with isolation
08/15/2000CA2042253C Method of making a transformer core comprising strips of amorphous steel wrapped around the core window
08/10/2000DE19930881A1 Transformer arrangement e.g. for railway vehicle drive
08/09/2000EP1026707A1 Wire wound inductor
08/09/2000EP1026394A2 Ignition coil for internal combustion engine
08/09/2000EP0870309B1 Transformer with superconducting windings
08/09/2000CN2391289Y Electric current mutual inductor
08/09/2000CN2391176Y Oil flow monitoring display device
08/08/2000US6101371 Article comprising an inductor
08/08/2000US6100783 Energy efficient hybrid core
08/08/2000US6100782 Coil component and manufacturing method for the same
08/08/2000US6100781 High leakage inductance transformer
08/08/2000CA2217567C Suppressor case with rocking ferrite
08/02/2000EP1024505A1 Chip electronic component and manufacturing method thereof
08/02/2000EP1023736A1 Radio interference suppression choke
08/02/2000EP0864165B1 High isolation power transformer
08/02/2000CN2390267Y Transformer core
08/02/2000CN1261959A Electric current pick-up shoe
08/01/2000US6097268 Multilayer duplexer with no shielding electrodes
07/2000
07/27/2000WO2000044008A2 Discrete inductive-type electronic component, method for the production thereof
07/27/2000WO2000044006A2 Transformer with magnetic core of coiled wires
07/27/2000WO2000043556A1 Method for treating a brittle thin metal strip and magnetic parts made from a nanocrystalline alloy strip
07/27/2000WO1999062105A9 A package for power converters with improved transformer operations
07/27/2000CA2358907A1 Method for treating a brittle thin metal strip and magnetic parts made from a nanocrystalline alloy strip
07/26/2000EP1022750A1 Discrete electronic inductive component, and method of manufacture of such components
07/26/2000EP1021811A1 Superconducting coreless transformer
07/26/2000CN1261200A Coil device and manufacture thereof
07/25/2000US6094125 Thin metal plate stack assembly and method of making the same
07/25/2000US6094123 Low profile surface mount chip inductor
07/25/2000US6094111 A layer of either a capacitor dielectric ceramic layer or a an inductor magnetic ceramic layer contains a glass having a softening point of <800 degrees c. based on oxides of group 1a, silicon oxide and bismuth oxide; noncracking
07/25/2000US6092278 Method for manufacturing a pencil-shaped core
07/20/2000WO2000042625A1 Containing tank of an oil immersed power transformer
07/20/2000WO2000042624A1 High-voltage transformer
07/20/2000DE19901254A1 Electrical component or assembly, especially an inductor, choke, choke coil, transformer or relay, is produced by surrounding one or more coils with ferromagnetic material powder
07/20/2000DE10006422A1 Mini power inductors with flat coils fitted on substrate, such as semiconductors or insulators
07/19/2000EP1020974A1 Device for connecting a station to an electrical power network especially for automobiles
07/19/2000EP1020003A1 Insulation for a conductor
07/19/2000EP1019926A1 Inductive component and method for making same
07/19/2000EP1019925A1 Microelectronic component carrier and method of its manufacture
07/19/2000EP1019923A2 Induction controlled voltage regulator
07/19/2000EP1019922A2 Transformer/reactor
07/19/2000EP1019336A1 Colloidal insulating and cooling fluid
07/19/2000CN2388693Y Low-voltage metering transformer
07/19/2000CN1260574A Insulation structure of coil of electric apparatus and manufacturing method thereof
07/13/2000WO2000041191A1 High frequency snubber for transformers
07/13/2000WO2000041190A1 Winding transient suppression technique
07/13/2000CA2320803A1 Winding transient suppression technique
07/13/2000CA2320792A1 High frequency snubber for transformers
07/12/2000EP1018754A1 Diode-split high-voltage transformer
07/12/2000EP1018146A1 Improved transformer operations
07/12/2000CN2387619Y 箱式变压器 Box-type transformer
07/12/2000CN2387297Y Low speed transformer oil pump
07/12/2000CN1259747A Diode voltage dividing transformer
07/11/2000US6087922 Folded foil transformer construction
07/11/2000US6087921 Placement insensitive monolithic inductor and method of manufacturing same
07/11/2000US6087920 Monolithic inductor
07/11/2000US6087917 Power magnetic device and method of manufacture therefor
07/11/2000US6087916 Cooling of coaxial winding transformers in high power applications
07/11/2000US6087822 Power transformer with internal differential mode distortion cancellation
07/11/2000US6087592 Enameled wire with high resistance to partial discharges
07/11/2000US6087583 Multiwire parallel conductor
07/11/2000CA2205634C Electric component having conductor film formed on insulative base
07/06/2000WO2000039819A1 A strip wound induction coil with improved heat transfer and short circuit withstandability
07/06/2000WO2000039818A1 A high voltage inductor
07/06/2000WO2000039817A1 Transformer cooling method and apparatus therefor
07/06/2000WO2000039816A1 A high voltage induction device
07/06/2000DE19900111A1 Diodensplitt-Hochspannungstransformator Diode split high-voltage transformer
07/06/2000DE19860627A1 Gas-isolated heavy current transformer uses 2-stage heat exchanger with circulated heat transfer medium used for removing heat from isolation gas enclosing transformer
07/06/2000DE19858506A1 Fernspeisedrossel Remote feed throttle