| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
|---|
| 05/15/1984 | CA1167279A1 System for monitoring abnormality of oil-filled electric devices |
| 05/08/1984 | US4447796 Self-adjusting spacer |
| 05/08/1984 | US4447795 Laminated grid and web magnetic cores |
| 05/08/1984 | CA1166804A1 Stable slurry of inactive magnesia and method therefor |
| 05/02/1984 | EP0107013A2 Choke having windings around core members made up of iron cores shaped as discs |
| 05/02/1984 | EP0106856A1 Casing, particularly for transformers, and method for manufacturing the casing. |
| 05/01/1984 | CA1166709A1 Transformer |
| 04/25/1984 | EP0105942A1 Device for producing high DC voltages |
| 04/24/1984 | US4445104 Compact step-lap magnetic core |
| 04/18/1984 | EP0105254A1 Improved ferrite core assembly and mounting means |
| 04/17/1984 | US4443777 Miniature transformer |
| 04/10/1984 | US4442419 Static induction apparatus |
| 04/10/1984 | CA1165461A1 Printed circuit transformers |
| 04/10/1984 | CA1165150A1 Rolled core |
| 04/10/1984 | CA1165107A1 Electrical device containing a halogenated dielectric fluid |
| 04/04/1984 | EP0104792A1 Method of making an ignition coil core |
| 04/04/1984 | EP0104649A2 Electrical inductance coil |
| 04/04/1984 | EP0104558A1 Inductance with windings around core discs |
| 04/03/1984 | US4441150 High-voltage rectifier unit |
| 04/03/1984 | CA1164636A1 Termination strips for stick wound coils |
| 03/29/1984 | WO1984001237A1 Transformer construction |
| 03/27/1984 | CA1164540A1 Electrical power line shunt coil |
| 03/21/1984 | EP0103299A1 Cylindrical oil vessel for stepping switches of transformer tap changers |
| 03/20/1984 | US4438487 Digital phase-shifting circuit |
| 03/20/1984 | US4438421 Mounting bracket for a transformer |
| 03/20/1984 | US4438027 Chlorinated alkylaromatic based compounds and new liquid dielectrics |
| 03/14/1984 | EP0102941A2 Winding with transposed conductors |
| 03/14/1984 | EP0102513A1 Air-cooled transformer with windings embedded in cast resin |
| 03/13/1984 | US4437082 Apparatus for continually upgrading transformer dielectric liquid |
| 03/07/1984 | EP0102261A1 Method of obtaining a coil with a closed magnetic circuit and a permanent magnet for the ignition of combustion engines |
| 03/07/1984 | EP0101817A1 Secondary winding for inductive ignition |
| 03/06/1984 | US4435751 Vibration/noise reduction device for electrical apparatus |
| 03/06/1984 | US4434814 Through fault pressure filter for fault pressure relay |
| 03/01/1984 | WO1984000843A1 Ignition coil for internal combustion engines |
| 02/22/1984 | EP0101154A1 Dielectric fluids and apparatus incorporating such fluids |
| 02/22/1984 | EP0101021A1 Porcelain-clad electrical machine with means for suppressing vibrations during transportation |
| 02/22/1984 | EP0100871A1 Method of manufacturing a stack of sheets, especially for the armatures of electrical machines and apparatuses |
| 02/21/1984 | US4433208 Pressurizable telephone load coil assembly |
| 02/21/1984 | US4433081 Thermosetting resin filler with quartz and alkaline earth metal carbonate fillers |
| 02/16/1984 | WO1984000638A1 Welding system |
| 02/14/1984 | US4431980 Electrical apparatus winding |
| 02/14/1984 | US4431860 For use in an electrical apparatus |
| 02/14/1984 | US4431023 Pressure relief device |
| 02/01/1984 | EP0099408A1 Composite coils for toroidal field coils and method of using same. |
| 01/31/1984 | US4429345 Electrical devices impregnated with silicone fluids |
| 01/31/1984 | CA1161536A1 Static induction apparatus |
| 01/25/1984 | EP0099274A1 Transformer, particularly a tension reducer for electric welding equipment |
| 01/25/1984 | EP0098897A2 Electrical generator utilizing magnetized particles |
| 01/24/1984 | US4427962 Low profile transformer bobbin |
| 01/24/1984 | US4427961 Chip type high frequency coil device |
| 01/17/1984 | US4426636 Method for preventing waveform distortion of a signal passing through an insulated conductor and circuit element embodying the method |
| 01/17/1984 | US4425949 Process for removing undesirable substances from electrical devices |
| 01/17/1984 | US4425702 Methods of fabricating a miniature high frequency coil assembly or transformer |
| 01/04/1984 | EP0097599A1 Electromagnetic device, such as an electrical transformer, of the type having a bobbin made up of two portions |
| 01/03/1984 | US4424505 Electric coil assembly |
| 01/03/1984 | US4424504 Ferrite core |
| 01/03/1984 | US4424503 Three-phase and three-leg core of core-type transformer |
| 01/03/1984 | US4424502 Transformer with a controlled flow of cooling liquid |
| 01/03/1984 | CA1159941A1 Liquid-cooled transformer for large power ratings |
| 12/28/1983 | EP0096809A1 A magnetic circuit or part of a magnetic circuit and a method for preparation thereof |
| 12/28/1983 | EP0096808A1 Low leakage field radio frequency choke |
| 12/21/1983 | EP0096058A1 Electric transformer and method for making it. |
| 12/20/1983 | US4422061 Laminated core of transformer |
| 12/06/1983 | US4419647 Liquid-cooled transformer for large power ratings |
| 12/06/1983 | US4419645 Multiple position half-turn inductor |
| 12/06/1983 | US4419536 Means for affixing an electronic component on a supporting medium |
| 12/06/1983 | CA1158325A1 Core for electromagnetic induction device |
| 12/06/1983 | CA1158145A1 Electrical steel lamination |
| 11/29/1983 | CA1157805A1 Microwave curing of resins |
| 11/23/1983 | EP0094702A1 Pressure relief device |
| 11/15/1983 | US4415874 Electric shunt inductance winding for an electricity power transport line |
| 11/15/1983 | US4415841 Television receiver ferroresonant power supply with permanent magnet biasing |
| 11/15/1983 | CA1157115A1 Winding for electrical inductive apparatus |
| 11/15/1983 | CA1157114A1 Ultrasonic fluid-atomizing cooled power transformer |
| 11/10/1983 | WO1983003921A1 Method for manufacturing a casing, particularly for transformers |
| 11/08/1983 | US4413674 Transformer cooling structure |
| 11/08/1983 | US4413406 Processing amorphous metal into packets by bonding with low melting point material |
| 11/08/1983 | CA1156732A1 High tension coil assembly |
| 11/02/1983 | EP0092870A2 Highfrequency-Transformer |
| 11/02/1983 | EP0092653A1 Current transformer for measuring apparatuses |
| 10/26/1983 | EP0092204A2 Inductance coil |
| 10/26/1983 | EP0092018A1 Reactor, particularly air isolated reactor without magnetic core |
| 10/25/1983 | US4412201 Coil form and assembly for automated manufacturing operations |
| 10/25/1983 | US4412199 Regulating winding connected in series with a main winding of a transformer |
| 10/18/1983 | US4410585 Inorganic materials; heat resistance, water resistance |
| 10/18/1983 | CA1155586A1 High solids wire coating compositions for transformers |
| 10/13/1983 | WO1983003495A1 Improved ferrite core, assembly and mounting means |
| 10/12/1983 | EP0091155A2 Transformer with a wound coil |
| 10/04/1983 | US4408176 Flyback transformer |
| 10/04/1983 | US4408175 Self centering current responsive pickup means |
| 09/27/1983 | US4406056 Method of making a cellulose-free transformer coil |
| 09/21/1983 | EP0088934A1 Disc coil winding with interleaved singular or double coils |
| 09/20/1983 | US4405913 Coil body |
| 09/14/1983 | EP0088261A1 High-tension insulation for rotary electric machines |
| 09/13/1983 | US4404534 Electromagnetic assembly |
| 09/13/1983 | US4403404 Method of making a cellulose-free transformer coils |
| 09/13/1983 | US4403403 Method of making a fly back transformer |
| 09/06/1983 | US4403205 Circuit arrangement for controlling transformer current |
| 09/06/1983 | US4402211 System for monitoring abnormality of oil-filled electric devices |
| 09/06/1983 | CA1153433A1 Winding for static induction apparatus |