| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 09/24/1997 | CN2263389Y Anti-resonance voltage mutual inductor |
| 09/23/1997 | US5670924 To a printed circuit board |
| 09/23/1997 | US5669228 System for utilizing exhaust heat of stationary induction apparatus |
| 09/17/1997 | EP0795184A2 Planar pulse transformer |
| 09/17/1997 | EP0795183A1 Method and device for preventing explosions and fires in electrical transformers |
| 09/17/1997 | EP0794908A1 Packaging for patches |
| 09/17/1997 | CN1159649A Transformer for integrated suspension spot-welding machine |
| 09/16/1997 | US5668511 Low-pass filter |
| 09/12/1997 | WO1997033112A1 Foil wound coil for a solenoid valve |
| 09/11/1997 | DE19609260A1 Insulation arrangement for rectangular section wires for transformers and chokes |
| 09/10/1997 | EP0794541A1 Pulse transformer magnetic core |
| 09/10/1997 | EP0794538A1 Toroidal core for inductance, in particular for radio interference suppression of phase-controllable semiconductor circuits |
| 09/10/1997 | CN2262282Y Wire-wound magnet core full shielded transformer |
| 09/10/1997 | CN2262281Y Primary outlet sealing structure for current transformer |
| 09/10/1997 | CN2262280Y Isolation transformer |
| 09/10/1997 | CN2262279Y Pull plate type fastener for dry-type transformer |
| 09/10/1997 | CN1159248A Chip coil |
| 09/10/1997 | CN1159107A Multi-layered frame line trap |
| 09/10/1997 | CN1159064A Transformer structure |
| 09/09/1997 | US5666099 Component with a ridgid and a flexible electrical termination |
| 09/09/1997 | US5666052 Magnetic sensor having a superconducting quantum interference device and a pickup coil wound on a tubular resinous bobbin with embedded high thermal conductivity material |
| 09/04/1997 | WO1997032322A1 Component with a rigid and a flexible electrical termination |
| 09/03/1997 | EP0793243A1 Transformer |
| 09/03/1997 | EP0792510A1 Inductive device |
| 09/03/1997 | EP0724765B1 A method of manufacturing an electrical coil or transformer winding having an insulation device |
| 09/03/1997 | CN1158485A Surface mountable inductor |
| 09/02/1997 | US5663859 In an electrical device |
| 09/02/1997 | US5662091 Ignition apparatus for internal combustion engine |
| 08/27/1997 | EP0791941A1 High tension pancake coil winding for tranformers and chokes |
| 08/27/1997 | EP0791940A2 Encapsulated package for power magnetic devices and method of manufacturing therefor |
| 08/27/1997 | EP0473782B1 Magnetic core |
| 08/27/1997 | CN2261072Y Electronating device |
| 08/27/1997 | CN2261069Y Magnetic shunt device for silicon-steel belt wound iron-core transformer |
| 08/26/1997 | US5661280 Combination of a gas-filled interrupter and oil-filled transformer |
| 08/26/1997 | US5660756 High-voltage transformer for a microwave oven power supply |
| 08/26/1997 | US5660749 Transformer and A.C. arc welder |
| 08/21/1997 | WO1997030498A1 Internal transformer chimney |
| 08/20/1997 | CN2260375Y Magnetic iron core |
| 08/20/1997 | CN2260374Y Electric power transformer |
| 08/20/1997 | CN2260373Y Casing for transformer of neon light |
| 08/19/1997 | US5659461 Switching power supply using printed coil type transformer |
| 08/19/1997 | US5658397 Iron-based amorphous alloy thin strip and transformers made therefrom |
| 08/14/1997 | WO1997022426A3 Electromagnetic joining or welding of metal objects |
| 08/13/1997 | CN2259675Y Anti-stealing utilization of electricity transformer |
| 08/13/1997 | CN2259674Y Wind iron-core for toroidal transformer |
| 08/13/1997 | CN2259673Y Iron-core structure for transformer |
| 08/12/1997 | US5656985 Electronic surface mount package |
| 08/12/1997 | US5656984 Solid insulation transformer |
| 08/12/1997 | US5655287 Laminated transformer |
| 08/06/1997 | EP0788121A1 Staggered horizontal inductor for use with multilayer substrate |
| 08/06/1997 | EP0787348A1 Epoxy resin casting composition |
| 08/06/1997 | CN2259017Y Electrode imbedded high-voltage bushing |
| 08/06/1997 | CN2259016Y Rod small iron core for inducer |
| 08/06/1997 | CN2259015Y Liquid cooled arc welder |
| 08/06/1997 | CN1035579C Method for producing self support transformer with winded amorphous state metal magnet core |
| 07/31/1997 | WO1997027600A1 Transformer |
| 07/30/1997 | EP0786784A1 Coil and method for the fabrication of coils |
| 07/30/1997 | CN2258651Y Series air exhaustible box type pressure-releasing metal expanding device |
| 07/30/1997 | CN1155742A Dry transformer of fire-proof epoxy resin |
| 07/30/1997 | CN1155741A 变压器 Transformer |
| 07/29/1997 | US5651175 For a electrical device |
| 07/24/1997 | WO1997026668A1 Superconducting coreless transformer |
| 07/24/1997 | DE19700709A1 Manufacture of a chip type electrical coil element e.g. for HF coil |
| 07/24/1997 | DE19609656C1 Clamping bracket for outputs from horizontal line deflection transformer |
| 07/23/1997 | EP0785605A1 Engine igniting coil device |
| 07/23/1997 | EP0785590A1 Composite high-frequency component |
| 07/23/1997 | EP0785560A1 Transformer winding structure |
| 07/23/1997 | EP0785559A1 Chip coil |
| 07/23/1997 | EP0785442A1 Improvements in or relating to MRI magnets |
| 07/22/1997 | US5650920 Mount for supporting a high frequency transformer in a hybrid module |
| 07/22/1997 | US5650594 Insulated animal guard for electrical transformers |
| 07/22/1997 | CA2125988C Integrated common mode and differential mode inductor device |
| 07/17/1997 | WO1997025727A1 Distributed gap electrical choke |
| 07/16/1997 | CN2257955Y Terminal safety hood of power transformer |
| 07/16/1997 | CN1154440A Slant winding electromagnetic coil and ignition coil for internal combustion engine using same |
| 07/10/1997 | WO1997024739A1 Secondary winding structure of flexible transformer |
| 07/10/1997 | WO1997024738A1 Apparatus for connecting primary conductive lines of flexible transformer and method thereof |
| 07/10/1997 | WO1997024736A1 Transformer with superconducting windings |
| 07/09/1997 | EP0783239A1 High voltage transformer assembly apparatus of microwave oven |
| 07/09/1997 | EP0783172A2 Transformer, particularly for a control apparatus of a heating device |
| 07/09/1997 | EP0782761A1 Differential current protective switch with special core material |
| 07/09/1997 | EP0782755A1 Power supply conductor from the conductive foil of the foil winding of a power transformer |
| 07/03/1997 | DE19621504A1 Spacer device for coils esp of electrical transformer |
| 07/02/1997 | EP0782155A2 Foils |
| 07/02/1997 | EP0782154A1 Flat transformer |
| 07/02/1997 | CN2257395Y Original secondary side non-mechanical connection transformer |
| 07/02/1997 | CN1153391A Transformer structure |
| 06/26/1997 | WO1997022980A1 Hermetically sealed, non-venting electrical apparatus with dielectric fluid having defined chemical composition |
| 06/26/1997 | WO1997022977A1 Vegetable oil based dielectric coolant |
| 06/26/1997 | WO1997022572A1 Dielectric fluid having defined chemical composition for use in electrical apparatus |
| 06/26/1997 | WO1997022426A2 Electromagnetic joining or welding of metal objects |
| 06/26/1997 | DE19547850A1 In-situ drying of solid insulating material |
| 06/25/1997 | EP0780853A1 Inductor structure |
| 06/25/1997 | EP0780027A1 Antenna coil |
| 06/25/1997 | CN2257072Y Energy-saving iron-core |
| 06/25/1997 | CN2257071Y Metal expansion conserver |
| 06/25/1997 | CN2257070Y Isolation pressurizer for mine |
| 06/25/1997 | CN1152970A Power supply conductor from the conductive foil of the foil winding of a power transformer |
| 06/24/1997 | US5642276 High frequency surface mount transformer-diode power module |
| 06/24/1997 | US5642049 Magnetic field producing apparatus and manufacturing method |