| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 04/30/1992 | WO1992007369A1 Dry transformer or choke coil and process for making it |
| 04/30/1992 | DE4133796A1 Miniature inductive component with capacity tuner - has axial bore in support with longitudinal groove over part of its length |
| 04/30/1992 | DE4034317A1 Radial support device for transformer or choke coil - provides stabilisation of coil winding and turbulence of cooling medium for latter |
| 04/29/1992 | EP0482694A1 Coil former comprising right-angled terminal pins |
| 04/29/1992 | EP0482365A2 Cut of sheet metal comprising sheet-metal-elements for welding, and laminated core fabricated by such elements |
| 04/29/1992 | CN2103195U Miniature a. c. electric welder |
| 04/29/1992 | CN2103193U Box flat type expandor |
| 04/29/1992 | CN2103192U Transformer for ship |
| 04/29/1992 | CN2103189U High-function cake type coil |
| 04/29/1992 | CN1016474B Small transformer |
| 04/28/1992 | US5109209 Ignition coil device for engine |
| 04/28/1992 | US5109208 Current limiting electrical reactor |
| 04/23/1992 | DE4110223A1 Trockentransformator oder drosselspule und verfahren zu ihrer herstellung Dry-type transformer or reactance coil and processes for their preparation |
| 04/22/1992 | EP0481755A2 Electromagnetic windy structures, and methods for forming electromagnetic winding structures |
| 04/22/1992 | EP0481239A1 Oil filter, especially for tap changes of step-down transformers |
| 04/22/1992 | CN2102557U Plastic closing shell for electricity limiting electric reactor |
| 04/21/1992 | US5107411 Interference free, pulse type transformer |
| 04/21/1992 | CA1299259C Modular high frequency power transformer |
| 04/21/1992 | CA1299258C Contact elements for miniature inductor |
| 04/16/1992 | WO1992006480A1 Magnetic core |
| 04/16/1992 | WO1992005832A1 Anti-induction device |
| 04/15/1992 | EP0479966A1 Inductive circuit element for assembly of printed circuit broads. |
| 04/15/1992 | CN2101934U Integrated embedding type end support structure for transformer winding reel |
| 04/14/1992 | US5105172 Monolithically realizable radio frequency bias choke |
| 04/14/1992 | CA1298886C Transformer core clamping structure |
| 04/09/1992 | DE4031274A1 Primary winding of miniature transformer - gives high resistance against voltage fluctuations |
| 04/07/1992 | US5101955 Feeder for placement of components |
| 04/07/1992 | US5101638 Magnetic field generating system |
| 04/03/1992 | CA2026727A1 Method of forming a laminate and the product thereof |
| 04/02/1992 | DE4131850A1 Choke coil or transformer core - is assembled from interfitting lamination plates of U and I cross=section |
| 04/01/1992 | EP0477936A2 Method of reducing noise in magnetic core |
| 04/01/1992 | EP0477858A2 An inductance coil device and a manufacturing method thereof |
| 04/01/1992 | EP0477423A1 Frame joining system |
| 04/01/1992 | CN1060005A Serial dual-tube ballast |
| 03/31/1992 | US5101185 Coil carrier with safety switch |
| 03/31/1992 | CA1298363C Coil winding method for maximum utilization of winding envelope |
| 03/29/1992 | CA2052295A1 Method of reducing noise in magnetic core and magnetic core |
| 03/26/1992 | DE4030124A1 Mfg. coil core for inductive component - winding wound strip of permeable material into toroidal core, impregnating with resin and forming slit in core |
| 03/26/1992 | DE4029704A1 Clamp for parts of coil core - has spring brackets with hook-shaped ends, forming core surrounding clamping ring upon interengagement |
| 03/26/1992 | DE4029666A1 Partly casing electrical component - by standing lower part of component, e.g. coil, vertically in trough, encapsulating in cast resin and cooling resin to set |
| 03/25/1992 | EP0476094A1 Device for forming laminated strips of amorphous metal |
| 03/25/1992 | CN2100018U Double-shuttle reverse oblique-wound self-coupling voltage regulator |
| 03/25/1992 | CN2100017U Constant power transformer with voltage regulation under load |
| 03/24/1992 | US5098528 Method for making an integrated type lc component |
| 03/19/1992 | WO1992004723A1 Power transformers and coupled inductors with optimum interleaving of windings |
| 03/19/1992 | WO1992004722A1 Material for electrical wiring and transformer |
| 03/19/1992 | DE4029097A1 Self-cooling three=phase dry type transformer - has core with triangular layout in gas insulated housing |
| 03/18/1992 | EP0475738A2 Moulded electrical apparatus |
| 03/18/1992 | EP0475522A1 Transformer |
| 03/18/1992 | EP0475116A2 Monolithically realizable radio frequency bias choke |
| 03/18/1992 | CN1059617A Electromagnetically-compatible non-resonant voltage mutual inductor |
| 03/17/1992 | US5097404 Supply circuit or power supply unit for supplying electronic devices or the like with current or voltage |
| 03/17/1992 | US5097243 Thin-film transformer utilizing superconductive components |
| 03/17/1992 | US5097241 Transformer |
| 03/11/1992 | EP0474610A2 Combined differential and common mode choke for a power supply |
| 03/11/1992 | EP0474371A2 Fabrication method for transformers with an amorphous core |
| 03/11/1992 | EP0473970A2 Method for producing electric resonant circuits, particulary resonance-tag |
| 03/11/1992 | EP0473782A1 Magnetic core |
| 03/11/1992 | CN1059421A Insulating press ring of large-size transformer and its manufacturing method |
| 03/10/1992 | US5095357 Inductive structures for semiconductor integrated circuits |
| 03/10/1992 | US5095296 Spilt ferrite bead case for flat cable |
| 03/10/1992 | CA1297202C Printed circuit board components with alternate mounting modes |
| 03/10/1992 | CA1297148C High frequency signal suppression component |
| 03/05/1992 | WO1992003834A1 High voltage isolation transformer |
| 03/04/1992 | EP0472527A1 Valve choke, especially for high-voltage dc transmission systems. |
| 03/04/1992 | CN2098080U Input inducer of switch power supply transverter |
| 03/04/1992 | CN2098079U No-unwelded joint transformer |
| 03/04/1992 | CN2098078U Energy-saving high-voltage power supply |
| 03/04/1992 | CN1059231A Low-profile planar transformer for use in off-line switching power supplies |
| 03/04/1992 | CN1059213A Absolute pressure compensation method in oil-content appliance housing |
| 03/03/1992 | US5093613 Transformer |
| 03/03/1992 | US5092530 Coil winding installation and method for automatic wire changeover |
| 03/03/1992 | US5092483 Component retaining pressure relief system |
| 03/03/1992 | US5092027 Method for retaining and protecting a transformer core |
| 03/03/1992 | CA1296780C Stationary induction electric apparatus and manufacturing method therefor |
| 03/03/1992 | CA1296511C Toroidal transformer and machines and methods for making same |
| 02/26/1992 | EP0472151A1 Integrated magnetic filter inductor having series and common mode windings |
| 02/26/1992 | EP0472073A2 Method for producing electric resonant circuits, particularly resonance-tags |
| 02/26/1992 | EP0471864A1 Coil device |
| 02/26/1992 | CN2097437U Double-safety anti-theft clamp for transformer |
| 02/26/1992 | CN2097026U Adsorption filter board |
| 02/25/1992 | US5091711 Current transformer mounting mechanism for circuit breaker |
| 02/25/1992 | US5091253 Alternating concentric rings; annealing in magnetic field |
| 02/25/1992 | CA1296399C High-voltage winding for core form power transformers |
| 02/19/1992 | EP0225392B1 Resin-bonded magnetic composition and process for producing magnetic molding therefrom |
| 02/19/1992 | CN2096806U Sealed transformer |
| 02/19/1992 | CN2096805U Transformer case cover |
| 02/18/1992 | US5089930 Temperature compensated linear variable transformer |
| 02/18/1992 | US5088186 Method of making a high efficiency encapsulated power transformer |
| 02/12/1992 | CN2096119U Automatic regulating unload consumption transformer |
| 02/12/1992 | CN2096118U Gas distribution transformer |
| 02/11/1992 | US5086554 Method of manufacturing a magnetic core |
| 02/08/1992 | WO1992002941A1 Sheet-wound coils |
| 02/05/1992 | EP0469671A1 Choke coil comprising a bead of a softmagnetic material |
| 02/04/1992 | US5085935 Flux spreading thin film magnetic devices |
| 02/04/1992 | US5084958 Method of making conductive film magnetic components |
| 01/30/1992 | DE4023141A1 Encapsulating prismatic inductance - has fixing contact ends in off=centre split plane of mould and injecting resin asymmetrically to inductance |
| 01/28/1992 | US5083360 Method of making a repairable amorphous metal transformer joint |
| 01/23/1992 | DE4023041A1 Planar inductance device - is formed by undulating section consisting of coupled loops |
| 01/23/1992 | DE4022243A1 Disc type transformers - has primary and secondary windings set at intervals to ensure that main part of energy passes through windings |