Patents for H01F 27 - Details of transformers or inductances, in general (43,362)
03/2001
03/14/2001EP1082737A1 Safety isolating transformer
03/14/2001EP1082736A2 Transformer
03/14/2001EP1082735A1 Variable inductor
03/14/2001EP1082734A1 Transformer bobbin
03/14/2001CN2423642Y Adjusting reactor
03/13/2001US6201682 Thin-film component
03/13/2001US6201463 Inverter transformer
03/08/2001WO2001016995A1 Induction electroluminescent lamp
03/08/2001WO2001016970A1 Hybrid transformer
03/08/2001WO2001016965A1 Insulating material, electric winding, and method of manufacture thereof
03/08/2001DE19939760A1 Verfahren und Vorrichtung zur Isolierung elektrotechnischer Bauteile Method and device for isolating electrical components
03/07/2001EP1081723A1 Cores and coils for electrical transformers
03/07/2001EP1080477A1 Inductor coil structure and method for making same
03/07/2001EP1080474A1 Impregnating potting compounds, their use and a method for impregnating ignition coils
03/07/2001CN1286482A Ignition coil
03/07/2001CN1286481A Inductance device
03/07/2001CN1286480A Coil device and its producing method
03/06/2001US6198761 Coaxial laser pulser with solid dielectrics
03/06/2001US6198393 Foil/ink composite inductor
03/06/2001US6198375 Inductor coil structure
03/06/2001US6198374 Multi-layer transformer apparatus and method
03/06/2001US6198373 Wire wound electronic component
03/06/2001US6197434 Silver paste layer on a glazing covered layer of the core surface, a nickel plated layer disposed on the silver paste layer, a solder plated layer on the nickel plated layer, and a solder paste layer on the solder plated layer
03/06/2001US6196209 Ignition coil device for engine
03/06/2001US6195879 Method for mounting wire-wound component on a printed circuit board
03/01/2001WO2001015181A1 Transformer winding
03/01/2001WO2001015179A1 Method and device for insulating electro-technical components
03/01/2001CA2347690A1 Transformer winding
02/2001
02/28/2001EP1079673A2 Surface mount circuit assembly
02/28/2001EP1078377A1 High stack factor amorphous metal ribbon and transformer cores
02/28/2001CN2421718Y Combined transformer
02/28/2001CN1285597A Coil assembly
02/27/2001US6194987 Inductance device
02/27/2001US6194986 Quick bottom connection for a transformer bushing
02/27/2001US6194684 Output choke for D.C. welder and method of using same
02/27/2001US6194248 Chip electronic part
02/22/2001WO2001013385A1 Encapsulated transformer
02/22/2001CA2420312A1 Encapsulated transformer
02/21/2001EP1077455A2 Coil component
02/21/2001CN2420720Y Energy saving and anti-frandulent use integrated power transformer
02/21/2001CN2420719Y Corrugated oil tank radiator
02/21/2001CN2420718Y Corrugated oil tank radiator
02/21/2001CN2420717Y Expanding and contracting radiatinig corrugated oil tank wall
02/21/2001CN2420649Y Anti-theft meter of distrubution transformer
02/20/2001US6191677 Inductance element
02/20/2001US6191675 High voltage transformer and ignition transformer using the same
02/20/2001US6191673 Current transformer
02/20/2001US6191667 Lamination type inductor array
02/20/2001US6189204 Method of manufacturing a bead inductor
02/20/2001CA2071392C Transformer assembly having cooling fins and method of providing same
02/15/2001DE19939652A1 Insulating film consists for insulating electrical coils in transformers of a permanent deformable strip-like plastic film
02/15/2001DE10034229A1 Microwave oven transformer has first core with coil insert section with open side, mutually insulated coils inserted in defined sequence, second core coupled to first core, molded cover
02/14/2001EP1076346A1 Inductor and method of producing the same
02/14/2001EP1076344A1 Inductance device
02/14/2001EP1075783A1 Air-wound coil for vacuum pick-up, surface mounting, and adjusting
02/14/2001EP1075699A1 A power current booster transformer
02/14/2001CN2419669Y Improved structure of fixed seat for coil core
02/14/2001CN1283859A Power source adaptor and its mfg. method
02/14/2001CN1283858A Multi-layer inductive component and mfg. method
02/13/2001US6188303 Flyback transformer
02/13/2001US6188298 Winding transient suppression technique
02/13/2001US6185811 Method for making a transformer
02/13/2001CA2205539C Transformer testing method
02/08/2001WO2001009906A1 Fluid filled electrical device with diagnostic sensor located in fluid circulation flow path
02/08/2001WO2001009582A1 Device for measuring the contact pressure of a winding press element in an output transformer
02/08/2001CA2380233A1 Device for measuring the contact pressure of a winding press element in an output transformer
02/07/2001EP1075003A2 Annular body for receiving windings for coils and transformers
02/07/2001EP1075002A2 Variable inductance coil device
02/07/2001EP1075001A2 Network adapter and method of making same
02/07/2001EP1074028A1 Dry-type transformer having a generally rectangular, resin encapsulated coil
02/07/2001CN2418568Y Wound iron-core three-phase distribution transformer
02/07/2001CN2418567Y Power-supply-distribution multiple control device
02/07/2001CN2418566Y Ladder-shaped sealing ring
02/07/2001CN2418565Y 复合式密封圈 Composite seals
02/07/2001CN1282970A High voltage transformer used for microwave oven and its manufacturing method
02/07/2001CN1282969A Laminated inductor
02/07/2001CN1282968A Laminated inductor
02/06/2001US6185113 Transformer and switching regulator that prevents winding's caused by magnetic field leakage
02/06/2001US6184459 Vegetable oil based dielectric coolant
02/01/2001WO2001008290A1 Lc oscillator
02/01/2001WO2001008175A1 Distribution transformer
02/01/2001WO2001008173A1 Superconducting magnetic coil
02/01/2001DE19936859C1 Noise signal suppression coil for supply network filter has signal winding coupled to optical signal device for indicating saturation of magnetic core resulting from asymmetrical noise
02/01/2001DE19935515A1 Vorrichtung zur Messung des Anpreßdruckes eines Wicklungspreßelements in einem Leistungstransformator Device for measuring the contact pressure of a Wicklungspreßelements in a power transformer
02/01/2001DE19933811A1 Three-phase transformer for power distribution at medium-and high-voltages, with voltage control, uses controlled converter for regulating the secondary voltage via an input-side
02/01/2001DE19932475A1 Toroidal inductor for electromagnetic interference filter, includes push-in, resilient insulating partition fitting between windings, which greatly simplifies manufacture
02/01/2001CA2380228A1 Superconducting magnetic coil
01/2001
01/31/2001EP1073073A1 Transformer, especially for powering cathode ray tubes
01/31/2001EP1073072A1 Method of making a module with an inductive winding and corresponding module
01/31/2001EP1072045A1 Energy efficient hybrid core
01/31/2001CN2417545Y Simple type transformer sleeve
01/31/2001CN1282097A Method for forming resin moulded parts of transformer coil
01/31/2001CN1282083A Transformer for microwave oven
01/31/2001CN1282082A Transformer
01/31/2001CN1282081A Step-up transformer for high freguency heater
01/30/2001US6181231 Diamond-based transformers and power convertors
01/30/2001US6181125 Combination apparatus of a distribution transformer and switches
01/30/2001US6181124 Eddy current reducing system
01/30/2001US6180890 Coil wire having an inorganic or organic fiber core surrounded by an outer metal layer overcoated with a dielectric material; tensile strength
01/30/2001US6180022 Mn-Zn ferrite