| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
|---|
| 05/19/1993 | CN2133908Y Reed-type radiator |
| 05/19/1993 | CN2133907Y 变压器 Transformer |
| 05/19/1993 | CN1020783C Ignition coil |
| 05/19/1993 | CN1020782C 点火线圈 Ignition coils |
| 05/18/1993 | US5212345 Self leaded surface mounted coplanar header |
| 05/18/1993 | US5211767 Iron with boron, copper and transition metals formed by alloying |
| 05/17/1993 | EP0598727A4 Protective snap-together enclosure for current transformers. |
| 05/16/1993 | CA2065687A1 Transformer with cancellation of harmonic currents by non-linear loads |
| 05/13/1993 | WO1993009584A1 Open circuit monitor |
| 05/12/1993 | EP0540958A1 Toroidal inductance |
| 05/12/1993 | CN2132587Y Ac. arc welder |
| 05/11/1993 | US5210514 Coil device |
| 05/11/1993 | US5210513 Cooling of electromagnetic apparatus |
| 05/08/1993 | CA2055109A1 Explosion resistant, oil insulated, current transformer |
| 05/05/1993 | CN2132254Y Dry energy-saving power transformer |
| 05/05/1993 | CN2132253Y Immersion carriage transformer |
| 05/05/1993 | CN1020520C High permeance current transformer |
| 05/04/1993 | US5208573 Electrical coil unit |
| 05/04/1993 | US5208572 Air-core reactor with a magnetic shield |
| 04/28/1993 | EP0538777A1 Transformer or reactor cooled by an insulating agent |
| 04/28/1993 | EP0538769A2 Rotation-symmetric electric component |
| 04/28/1993 | EP0357608B1 High-frequency component |
| 04/28/1993 | CN2131180Y Transformer |
| 04/28/1993 | CN2131179Y Box-type pressure-releasing metal dilatometer |
| 04/28/1993 | CN2131178Y 金属膨胀盒 Metal Expansion Box |
| 04/28/1993 | CN2131177Y Double-seal diaphragm type oil conservator |
| 04/27/1993 | US5206621 Barrel-wound conductive film transformer |
| 04/27/1993 | US5206539 Transformer with cancellation of harmonic currents by phase shited secondary windings |
| 04/26/1993 | CA2054292A1 Transformer connector |
| 04/20/1993 | US5204653 Electromagnetic induction device with magnetic particles between core segments |
| 04/20/1993 | US5204044 Method of asembling a DC solenoid with a thermistor |
| 04/17/1993 | CA2080662A1 Process for compacting electrical windings used in transformers |
| 04/14/1993 | CN2129966Y Open type short tail semiconductor capacity cover |
| 04/14/1993 | CN2129963Y Solid insulation axial straight press film coil |
| 04/14/1993 | CN1071026A Balance transformer for two phase changed from three-phase |
| 04/14/1993 | CN1071025A Micro miniature high-voltage current (voltage) mutual-inductor |
| 04/13/1993 | US5202664 Three phase transformer with frame shaped winding assemblies |
| 04/13/1993 | US5202584 High energy dissipation harmonic filter reactor |
| 04/07/1993 | EP0536019A1 High/low tension non-explosive immersed transformer being under permanent overload conditions |
| 04/07/1993 | CN2129451Y Non-metal expander |
| 04/07/1993 | CN2129450Y Solid double-tube |
| 04/07/1993 | CN2129449Y Closed transformer box with sheltering fringe |
| 04/07/1993 | CN2129448Y Oil-fed type strong current double-tube |
| 04/07/1993 | CN1070786A Choke coil device for electromagnetic range |
| 04/06/1993 | US5200731 Double insulated transformer of the coaxial type and method of assembling the same |
| 04/06/1993 | US5200730 Premolded suppressor sleeve |
| 04/06/1993 | US5200720 Emi bead core filter, process and apparatus thereof |
| 04/01/1993 | WO1993006608A1 Process for manufacturing coil windings |
| 03/31/1993 | EP0533899A1 High voltage dc source |
| 03/31/1993 | CN2129030Y Inductance ballast |
| 03/30/1993 | US5198790 Electrical transducer |
| 03/30/1993 | US5198622 Condenser body for the field control of the connection of a transformer bushing |
| 03/24/1993 | EP0532594A1 Transformer. |
| 03/24/1993 | EP0313574B1 Potted electrical/mechanical devices, and dual cure potting method |
| 03/18/1993 | DE4131260A1 Cooling system for disc=shaped windings in electrical power transformers - has at least one regulating element located in cooling channels between windings to direct coolant flow |
| 03/18/1993 | DE4131259A1 Cable feedthrough for measuring transducer - has cast resin plate screwed or clamped into aperture with wire sleeves extending into casing |
| 03/17/1993 | EP0532360A1 Transformer with controlled interwinding coupling and controlled leakage inductances and circuit using such transformer |
| 03/17/1993 | EP0466738B1 Device for a.c. cut-in limitation |
| 03/17/1993 | EP0376948B1 Wound capacitor device with controlled impedance |
| 03/16/1993 | US5194841 Support structure for wound transformer core |
| 03/16/1993 | US5193774 Mounting bracket apparatus |
| 03/10/1993 | EP0531190A1 X-ray unit with high-voltage power supply device integrated in the housing |
| 03/10/1993 | EP0531189A1 Device and high-voltage power supply unit for an x-ray tube |
| 03/10/1993 | EP0530576A1 High frequency transformer for SMD technique |
| 03/03/1993 | EP0529905A1 High energy dissipation harmonic filter reactor |
| 03/03/1993 | CN2127803Y Superminiature high-tension current (voltage) mutual inductor |
| 03/03/1993 | CN1069601A Method and apparatus for preventing fraudulent use of electricity and theft of distribution equipment |
| 03/02/1993 | US5191307 Deflection yoke apparatus |
| 02/25/1993 | DE4227757A1 Inductance device for filter of electromagnetic device e.g. magnetron - has ferrite cores formed from multi-facet bars with air cooling channel along centre that are inserted into coils |
| 02/25/1993 | DE4127709A1 Radial support and coolant line for high power transformer coil - has disc coils formed in stacks in cylinder with location lugs to provide fluid circulation path |
| 02/23/1993 | US5189257 Transformer having an integral cabinet with a clamping cover hinge |
| 02/16/1993 | US5187456 Line filter |
| 02/16/1993 | US5186154 Ignition coil device for an internal combustion engine |
| 02/02/1993 | US5184105 Bobbin for multiple-connected inductor |
| 02/02/1993 | US5184104 Electromagnetic induction apparatus with a sound suppressing arrangement |
| 02/02/1993 | US5184103 High coupling transformer adapted to a chopping supply circuit |
| 01/28/1993 | DE4124509A1 Electrical transformer with reduced iron losses - has secondary coil mounted with compensation core element to reduce feedback coupling |
| 01/26/1993 | US5182537 Transformer with twisted conductors |
| 01/26/1993 | US5182536 Surface mount current transformer structure |
| 01/23/1993 | CA2073283A1 Method of and article for containing chips from an amorphous metal core |
| 01/21/1993 | DE4123812A1 Transformer with screened windings - has electrical component coupled to primary or secondary for reducing stray inductance |
| 01/20/1993 | EP0524087A1 Mechanical damping device for a magnetic core in a casing |
| 01/20/1993 | EP0523588A1 Transformer winding composed of an insulating tape comprising electrically conductive patterns for realizing a parallel arrangement of the patterns when zigzag folding this tape |
| 01/20/1993 | EP0272289B1 Ignition coil for ignition systems of internal combustion engines |
| 01/20/1993 | CN1068049A Purifying agent for insulating oil |
| 01/14/1993 | DE4122825A1 Synthetic resin material based power transformer - has concentric coil arrangement with glass fibre reinforced formers impregnated in vacuum and with some quartz sand filling |
| 01/13/1993 | EP0522475A1 Inductive component and its manufacturing method |
| 01/13/1993 | EP0522303A2 Combined voltage and current transducer for a metal-encapsulated gas-insulated high-voltage installation |
| 01/13/1993 | EP0522014A1 Cable coupling transformer. |
| 01/12/1993 | US5179512 Gate drive for synchronous rectifiers in resonant converters |
| 01/12/1993 | US5179489 Method and means for suppressing geomagnetically induced currents |
| 01/12/1993 | US5179365 Multiple turn low profile magnetic component using sheet windings |
| 01/07/1993 | WO1993000692A1 Segmented core inductor |
| 01/07/1993 | WO1993000691A1 Bobbin for an electrical winding and method of manufacture thereof |
| 01/07/1993 | EP0521688A1 Method for manufacturing an amorphous metal core for a transformer that includes steps for reducing core loss |
| 01/06/1993 | CA2070516A1 Method for manufacturing an amorphous metal core for a transformer that includes steps for reducing core loss |
| 01/05/1993 | US5177762 Saturable reactor |
| 01/05/1993 | US5177325 Housing for electric transformer |
| 01/05/1993 | US5176946 Laminated contactor core with blind hole |
| 12/30/1992 | EP0520548A1 Transformer with a bobbin made of synthetic material |