| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
|---|
| 05/06/1980 | US4201966 Magnetic core structure |
| 05/06/1980 | US4201965 Inductance fabricated on a metal base printed circuit board |
| 05/06/1980 | US4201883 Guard for a high voltage electrical terminal bushing |
| 05/06/1980 | US4201089 Temperature measuring device for transformers and reactors |
| 05/06/1980 | CA1077147A1 Composite sheet winding for an electromagnetic induction apparatus |
| 05/01/1980 | WO1980000894A1 Insulation of electrical apparatus with a synthetic transformer oil |
| 04/30/1980 | EP0010427A1 Transformer cores |
| 04/30/1980 | EP0010092A1 Process for production of a wound magnetic circuit; wound magnetic circuit resulting from this process; devices for carrying out the process |
| 04/29/1980 | US4200854 Core with step-lap joints |
| 04/29/1980 | US4200853 Transformer with single turn U-shaped winding |
| 04/22/1980 | US4199744 Magnetic core with magnetic ribbon in gap thereof |
| 04/22/1980 | US4199743 Encapsulated current transformer |
| 04/22/1980 | US4199742 Bubble deflector for vapor cooled transformers |
| 04/16/1980 | EP0009489A1 Magnetic core for a transformer or an induction coil |
| 04/15/1980 | CA1075784A1 Reactor core |
| 04/15/1980 | CA1075783A1 Air choke coil with conductor cross-over structure |
| 04/03/1980 | WO1980000636A1 High-voltage transformer-rectifier |
| 04/01/1980 | US4196408 High temperature transformer assembly |
| 04/01/1980 | US4195686 Heat exchanger air deflectors |
| 03/25/1980 | US4195278 High voltage terminal structure and flyback transformer |
| 03/25/1980 | US4195201 Inductive coil module |
| 03/25/1980 | CA1074410A1 Transformer winding insulating collar attachments |
| 03/18/1980 | CA1073978A1 Air-cooled high-frequency welding transformer |
| 03/11/1980 | US4192174 Transformer protective device |
| 02/26/1980 | US4190732 Electrical apparatus |
| 02/20/1980 | EP0008251A1 Dielectric liquids, manufacturing process and uses |
| 02/19/1980 | CA1072175A1 Apparatus for improving the radial homogeneity of axial magnetic fields |
| 02/12/1980 | US4188599 Inductance coil for telecommunication system and method of making same |
| 02/12/1980 | CA1071427A1 Hot spot thermometer |
| 01/29/1980 | US4185688 Cooler fan noise suppressor |
| 01/22/1980 | US4185177 Latch operated tap changing switch for transformer regulating system |
| 01/22/1980 | CA1070397A1 Trannsformer assembly and a method of manufacturing the assembly |
| 01/09/1980 | EP0006392A1 Insulating casing of moulded resin for electric apparatus |
| 01/08/1980 | US4183079 DC-AC inverter |
| 01/08/1980 | US4183002 Winding structure |
| 01/01/1980 | CA1069193A Double bushing well with cantilever load supporting legs |
| 12/18/1979 | CA1068359A1 Current transformer |
| 12/12/1979 | EP0005836A2 Inductive constructional component and process for manufacturing it |
| 12/11/1979 | US4178540 Saturable reactors |
| 12/04/1979 | US4177078 Thermal stabilization of soil |
| 12/04/1979 | CA1067593A1 Interface for high voltage oil-filled and gas-filled apparatus |
| 12/04/1979 | CA1067309A1 Hot spot thermometer |
| 11/29/1979 | WO1979001044A1 Inductive coil module |
| 11/27/1979 | US4176335 Electrical conducting apparatus |
| 11/27/1979 | US4176334 High voltage transformer and process for making same |
| 11/27/1979 | US4176333 Magnetic core for single phase electrical inductive apparatus |
| 11/27/1979 | US4176296 Core mounting for solenoidal electric field lamps |
| 11/27/1979 | US4175615 Pipe header-cylindrical tank joint and method of joining same |
| 11/20/1979 | CA1066787A1 High voltage winding lead and terminal structure |
| 11/14/1979 | EP0005386A1 Inductance with a ferrite pot core and method to adjust the reluctance of the core |
| 11/13/1979 | US4174510 RF transformer |
| 11/13/1979 | US4173996 Heat exchanger arrangement for vaporization cooled transfomers |
| 11/13/1979 | CA1066374A2 Connector for dry type instrument transformer |
| 11/06/1979 | US4173747 Insulation structures for electrical inductive apparatus |
| 11/06/1979 | US4173746 Vaporization cooled electrical apparatus |
| 11/06/1979 | CA1065974A1 Inductor structures for electrical discharge lamp circuits |
| 10/30/1979 | US4172965 Packaged inductive coil assembly |
| 10/30/1979 | US4172964 Packaged inductive coil assembly |
| 10/23/1979 | US4172245 Adjustable transformer |
| 10/23/1979 | US4172243 Transformer with a liquid cooled case and a method for making the liquid cooled case |
| 10/23/1979 | US4172215 Transformer coupling circuit providing for cancellation of D.C. fluxes |
| 10/23/1979 | US4171863 Transformer terminal support |
| 10/23/1979 | CA1065028A1 Air core reactor |
| 10/16/1979 | US4171098 Electrostatic coating guns |
| 10/16/1979 | CA1064562A1 Current transformer assembly for dynamoelectric machines |
| 10/09/1979 | CA1064119A1 Transformer |
| 10/03/1979 | EP0004425A1 A method of insulating and transporting heat from the components of a transformer by means of a fluid and transformer impregnated with a fluid |
| 10/03/1979 | EP0004262A1 Insulating material for high tension devices or the like |
| 10/02/1979 | US4169975 Two-phase transformer and welding circuit therefor |
| 10/02/1979 | US4169965 Integrally cooled electrical feedthrough bushing |
| 09/25/1979 | CA1063197A1 Electrical inductive apparatus having magnetic shielding cores and a gapped main core structure |
| 09/25/1979 | CA1063196A1 Tapering electrostatic shields for disc windings |
| 09/25/1979 | CA1063195A1 Inverter circuit including transformer with shielding of undesired radiations |
| 09/04/1979 | US4166992 Symmetrical structure for shunt controlled regulated transformer |
| 08/28/1979 | US4166265 Coil bobbins and termination of coil windings |
| 08/28/1979 | CA1061422A1 Device for attaching leads to a transformer or the like |
| 08/23/1979 | WO1979000579A1 Magnetic core for a transformer or an induction coil |
| 08/22/1979 | EP0003647A1 Bobbin and method of making terminated bobbin coil |
| 08/21/1979 | CA1060963A1 Saturated reactor arrangements |
| 08/14/1979 | US4164619 Porous encapsulating composition for electrical apparatus |
| 08/14/1979 | US4164345 Safety cradle for transformer repair |
| 07/31/1979 | US4163202 Tuning apparatus and method of producing the same |
| 07/26/1979 | WO1979000490A1 Process for production of a wound magnetic circuit;wound magnetic circuit resulting from this process;devices for carrying out the process |
| 07/17/1979 | US4161710 Loading coil for antenna |
| 07/10/1979 | US4160967 Electrical coil assembly |
| 07/03/1979 | CA1057842A1 Transformer unit |
| 06/26/1979 | US4159457 Low voltage high current transformer |
| 06/19/1979 | CA1056925A1 Core lamination for shell-type cores, preferably for transformers |
| 06/19/1979 | CA1056924A1 Core lamination for shell-type cores, particularly for transformers |
| 06/12/1979 | US4158186 Core lamination for shell-type cores, particularly for transformers |
| 06/12/1979 | US4158169 Corona testing apparatus including acoustic waveguides for transmitting acoustic emissions from electrical apparatus |
| 06/12/1979 | US4158168 Acoustic waveguides for sensing and locating corona discharges |
| 06/12/1979 | US4158123 Series reactor |
| 06/05/1979 | US4157414 Resin rich polybutadiene-mica flexible high voltage insulation |
| 06/05/1979 | CA1056024A1 Transformer with improved natural circulation for cooling disc coils |
| 05/30/1979 | EP0002099A1 Slotted plate electrical terminal |
| 05/29/1979 | US4156888 Flyback transformer |
| 05/29/1979 | US4156862 Electrical inductive apparatus having non-magnetic flux shields |
| 05/22/1979 | US4156222 Transformer with divided primary |
| 05/22/1979 | US4156221 Audio-frequency injection transformers for ripple control |