Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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04/20/1982 | US4326182 C-Core transformer |
04/20/1982 | US4326181 High voltage winding for dry type transformer |
04/20/1982 | CA1122289A1 Flux control in tape windings |
04/14/1982 | EP0049642A1 Gas insulated electrical apparatus |
04/14/1982 | EP0049641A1 Gas insulated electrical apparatus |
04/14/1982 | EP0049608A1 Method of heating |
04/14/1982 | EP0049444A1 Strip electrical coil for electrical appliances |
04/14/1982 | EP0049382A1 Winding arrangement for transformers with a square cross-sectional core area |
04/13/1982 | US4325044 Mount for an electromagnetic coil |
04/13/1982 | US4324961 Distribution transformer having a primary disconnect switch |
04/07/1982 | EP0049128A1 Insulated electrical coil |
04/07/1982 | EP0048990A2 Noise reducing housing for a static induction apparatus |
04/06/1982 | US4323870 Transformer or reactor having a winding formed from sheet material |
03/31/1982 | EP0048384A1 Winding for dry-type transformers |
03/30/1982 | US4322481 Loss characteristics in amorphous magnetic alloys |
03/30/1982 | CA1120998A1 Magnetic circuit reluctance adjustment |
03/23/1982 | US4321690 Magnetic bubble memory module |
03/23/1982 | US4321426 Bonded transposed transformer winding cable strands having improved short circuit withstand |
03/23/1982 | US4321421 Vaporization cooled transformer having a high voltage |
03/17/1982 | EP0047266A1 Low-loss reactor |
03/16/1982 | US4320432 High voltage transformer bushing fuse and arrester arrangement |
03/16/1982 | US4320373 Power transformer with high coupling coefficient |
03/16/1982 | US4320364 Capacitor arrangement |
03/09/1982 | US4319152 Laminated winding for electric machines |
03/09/1982 | US4319076 Electrically insulative hollow-profile structural part with high-tension attaching elements and method of constructing same |
03/09/1982 | CA1119682A1 Precolation cooled transformers |
03/03/1982 | EP0046516A1 Synthetic casing for inductance coil |
03/02/1982 | US4318150 Protected electrical inductive apparatus |
03/02/1982 | US4318068 Induction device equipped with vibration suppressor |
03/02/1982 | US4318067 Flat-type transformer |
03/02/1982 | US4318066 Externally shielded disk windings for transformers |
03/02/1982 | US4317952 Liquid cooled terminal boxes |
03/02/1982 | CA1119262A1 Transformer terminal and support |
02/23/1982 | US4317152 A.C. Power line assembly |
02/23/1982 | US4317096 Electrostatic shielding of nonsequential disc windings in transformers |
02/16/1982 | US4316169 Windings for electrical inductive apparatus |
02/16/1982 | US4316137 Completely insulated, metal-encapsulated electrical switching section |
02/09/1982 | US4315232 Subminiature audio transformer |
02/09/1982 | CA1118061A1 Integrally cooled electrical feedthrough bushing |
02/02/1982 | US4314221 Inductance device |
02/02/1982 | US4314220 Fixing structure of electronic component |
01/26/1982 | US4313152 Flat electric coil |
01/26/1982 | US4313151 Flat electric coil with tap |
01/26/1982 | US4312794 Ultra pure tetrachloroethylene dielectric fluid |
01/19/1982 | US4311979 Layered transformer winding |
01/19/1982 | US4311978 U-Core pulse transformer |
01/19/1982 | US4311977 Output transformer |
01/13/1982 | EP0043744A1 Ignition coil for internal combustion engine |
01/13/1982 | EP0043615A1 High-voltage transformer |
01/13/1982 | EP0043565A1 Vibration/noise reduction device for electrical apparatus |
01/13/1982 | EP0043523A1 Electrical shunt reactor for an electric power transmission line, and method of making such reactor |
01/13/1982 | EP0043511A1 Device using the heat losses of internally fluid-cooled transformers or chokes |
01/06/1982 | EP0042898A1 Laminated magnetic circuit with air gap, and method of adjusting the air gap |
01/05/1982 | US4309652 Current transforming circuits |
01/05/1982 | US4309519 Process for producing flyback transformer |
01/05/1982 | CA1115793A1 Magnetic core with magnetic ribbon in gap thereof |
01/05/1982 | CA1115792A1 Direct current transformer |
12/30/1981 | EP0042571A1 Process for conducting and/or converting energy in gaseous, liquid or solid mediums |
12/29/1981 | US4308513 Etched magnetic coil |
12/29/1981 | US4308512 Modular air core coil inductance assembly |
12/29/1981 | US4308495 Transformer for voltage regulators |
12/29/1981 | US4308420 Electrical apparatus with convectively cooled bushing connector |
12/24/1981 | WO1981003732A1 Method for conducting and/or transforming energy within gas,liquid or solid media |
12/23/1981 | EP0042020A1 Convergence unit for cathode-ray tube |
12/23/1981 | EP0041954A1 The cancelling of vibrations transmitted through a fluid in a containing vessel |
12/22/1981 | US4307365 Current transformer |
12/22/1981 | US4307364 Electrical reactor with foil windings |
12/22/1981 | CA1114909A1 Magnetic circuit |
12/16/1981 | EP0041884A1 High-voltage transformer for medium and high frequency reach |
12/15/1981 | US4306209 Sound-proofed choke |
12/15/1981 | CA1114464A1 Packaged inductive coil assembly |
12/10/1981 | WO1981003576A1 Lc composite part |
12/09/1981 | EP0041288A1 Wound electrical components |
12/09/1981 | EP0041220A1 Electrical device containing a halogenated dielectric fluid |
12/08/1981 | US4305056 Transformer with gapped core |
12/08/1981 | US4304956 High voltage seismic bushing |
12/08/1981 | US4304880 Insulating coating for transformer wires |
12/08/1981 | CA1113707A1 Use of synthetic hydrocarbon fluids in transformers |
12/02/1981 | EP0040651A1 Container for the evacuation of heat losses |
12/01/1981 | US4303902 Inductive coupler |
12/01/1981 | CA1113448A1 Heat exchanger arrangement for vaporization cooled transformers |
11/25/1981 | EP0040382A1 Sheet-wound coil for a transformer filled with a liquid dielectric |
11/25/1981 | EP0040262A1 Electrical reactor with foil windings |
11/24/1981 | CA1113161A1 High voltage winding for dry type transformer |
11/18/1981 | EP0039901A1 Electric shunt reactor and automatic machine for cutting laminations |
11/17/1981 | US4301437 Impedance coil core |
11/17/1981 | CA1112441A1 Electrical devices containing select vinylsiloxane dielectric fluids |
11/11/1981 | EP0039485A1 Line transformer for a television receiver |
11/10/1981 | US4300112 Circuit arrangement for controlling transformer current |
11/10/1981 | US4299704 Method for removing polychlorinated biphenyls from contaminated transformer dielectric liquid |
11/04/1981 | EP0038957A1 Rolled core |
11/03/1981 | CA1111916A1 Vaporization cooled electrical inductive apparatus |
10/29/1981 | WO1981003093A1 High-voltage rectifier |
10/27/1981 | US4297665 Doughnut-type transformer for resistance butt welding |
10/27/1981 | US4296904 Electrical equipment mount |
10/27/1981 | CA1111540A1 Overpressure protection for vaporization cooled electrical apparatus |
10/21/1981 | EP0038284A1 Inductive voltage transformer, with gas or fluid insulation |
10/21/1981 | EP0037970A2 Line transformer for a television receiver |
10/20/1981 | US4296395 Structure for preventing winding collapse |
10/20/1981 | US4296003 Atomized dielectric fluid composition with high electrical strength |