| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
|---|
| 08/31/1983 | EP0087363A1 Electric transformer |
| 08/31/1983 | EP0087121A1 Noise-reduction device for stationary induction apparatus |
| 08/30/1983 | US4401963 Resistor insertion fuse |
| 08/30/1983 | US4401962 Flexible thermally stable tapes containing a high flash point solventless insulating varnish |
| 08/30/1983 | US4401775 Epoxy encapsulating formulation |
| 08/30/1983 | CA1153049A1 Electrode terminals for electric motor winding |
| 08/23/1983 | US4400676 Electrically insulated coil |
| 08/16/1983 | US4399191 Polymer film melt bonded to polmer fibrils |
| 08/16/1983 | US4399190 Thin insulating mica sheet and insulated coil |
| 08/16/1983 | CA1152171A1 Transformer with integral cover and terminals |
| 08/09/1983 | US4398112 Aminated winding for electric machines |
| 08/03/1983 | EP0020458B1 Insulation of electrical apparatus with a synthetic transformer oil |
| 07/27/1983 | EP0084412A1 Low loss spiders and air core reactor incorporating the same |
| 07/26/1983 | US4395693 Electrical winding for a transformer, a choke coil or the like |
| 07/26/1983 | US4395647 Half-wave signal isolator with means for controlling flux in the coupling transformer |
| 07/26/1983 | CA1150787A1 Vaporization cooled transformer having a high voltage rating |
| 07/21/1983 | WO1983002522A1 Composite coils for toroidal field coils and method of using same |
| 07/20/1983 | EP0083814A1 Pressure relief device |
| 07/20/1983 | EP0083718A1 Noise-reduction device for stationary induction apparatus |
| 07/19/1983 | US4394706 Power converter for recreational vehicles |
| 07/19/1983 | US4394636 Structure of a transformer |
| 07/19/1983 | US4394635 Method for determining dissolved gas concentrations in dielectric coolants |
| 07/19/1983 | CA1150376A1 Sheet-wound transformer or reactor |
| 07/19/1983 | CA1150375A1 Transformer or reactor having a winding formed from sheet material |
| 07/13/1983 | EP0083567A1 Toroidal electrical transformer and method of producing same |
| 07/12/1983 | US4393364 Coil element |
| 07/12/1983 | US4392473 Ignition coil for an internal combustion engine |
| 07/12/1983 | CA1149830A1 Balances with electromagnetic force compensation |
| 07/06/1983 | EP0083154A1 Cooling apparatus for a gas insulated transformer |
| 07/06/1983 | EP0082954A1 Toroidal core electromagnetic device |
| 07/05/1983 | CA1149431A2 Rotary switch |
| 06/29/1983 | EP0082421A1 Shielded transformer embedded in an isolating mass for a high-frequency commutating element, in particular isolating transformer in a colour television receiver |
| 06/29/1983 | EP0082360A1 Cooling device for electric transformer |
| 06/28/1983 | US4390858 Liquid-cooled transformer for large power ratings |
| 06/23/1983 | WO1983002194A1 Electric transformer and method for making it |
| 06/22/1983 | EP0081842A2 Inductance or transformer |
| 06/21/1983 | CA1148644A1 Liquid-cooled transformer for large power ratings |
| 06/15/1983 | EP0081153A1 Electrical shunt reactor |
| 06/15/1983 | EP0081111A1 Transformer, particularly for a switching mode power supply circuit in a television receiver |
| 06/14/1983 | US4388371 Partial heat curing initially |
| 06/14/1983 | CA1148229A1 Inductive component and method for its production |
| 06/14/1983 | CA1148228A1 Transformer with a series connected two-part tertiary winding |
| 06/07/1983 | CA1147821A1 Bubble deflector for vapor cooled transformers |
| 06/01/1983 | EP0080430A1 Transformer or choke coil |
| 05/31/1983 | CA1147408A1 Fly-back transformer |
| 05/24/1983 | US4384795 Standardized interface for acoustic bar typewriters |
| 05/18/1983 | EP0078985A1 Internal voltage grading and transient voltage protection for power transformer windings |
| 05/17/1983 | CA1146657A1 Transformer using catalytically hydrogenated bright stock fluid |
| 05/17/1983 | CA1146628A1 Voltage-measuring device for controlling the rectifiers of current-converters in high- voltage direct-current transmission systems |
| 05/10/1983 | US4383235 Bi level etched magnetic coil |
| 05/10/1983 | US4382651 Transformer bar connector |
| 05/03/1983 | CA1145822A1 Transformer for voltage regulators |
| 04/27/1983 | EP0077575A1 Heat exchanger, more especially cooling radiator for oil-filled three-phase current transformers |
| 04/27/1983 | EP0077487A1 Iron core for transformers |
| 04/26/1983 | US4381209 For a magnetic core |
| 04/20/1983 | EP0077050A1 Holding device for annular cores provided with windings |
| 04/19/1983 | CA1144996A1 Flat electric coil |
| 04/19/1983 | CA1144995A1 Flat electric coil with tap |
| 04/12/1983 | US4379999 Electrostatic shield for a transformer |
| 04/12/1983 | CA1144594A1 High voltage transformer bushing fuse and arrester arrangement |
| 04/06/1983 | EP0076208A1 Transformer, especially of the explosion-proof type |
| 04/06/1983 | EP0075884A1 High tension shielding electrode |
| 04/06/1983 | EP0075796A1 Transformer with windings embedded in cast resin |
| 04/05/1983 | CA1144256A1 Bushing well stud construction |
| 04/05/1983 | CA1144248A1 Electrostatic shielding of non-sequential disc windings in transformers |
| 04/05/1983 | CA1144246A1 Electrical reactor with foil windings |
| 03/30/1983 | EP0075164A1 Inductance with coils around magnetic core discs |
| 03/29/1983 | CA1143808A1 Corrosion resistant conductive wire |
| 03/23/1983 | EP0074521A1 Transformer tank with a smooth wall surface |
| 03/22/1983 | CA1143435A1 High voltage transformer for ac-dc converter |
| 03/09/1983 | EP0073489A2 Electrical module |
| 03/09/1983 | EP0073401A1 Tank for nominal service output transformers |
| 03/08/1983 | US4376274 Printed circuit transformers |
| 03/08/1983 | CA1142633A1 High intensity ballast assembly |
| 03/01/1983 | US4375627 Transformer tank panel neutral connection with reverse current shielding conductors |
| 02/23/1983 | EP0072451A1 Methode of mounting and adjusting a transformer |
| 02/16/1983 | EP0072266A1 Method of obtaining a coil with a closed magnetic circuit and a permanent magnet for the ignition of combustion engines |
| 02/16/1983 | EP0072151A1 Transformers |
| 02/16/1983 | EP0071947A2 Method and apparatus for reducing vibrations of stationary induction apparatus |
| 02/15/1983 | US4373772 Bayonet-type circuit breaker having a multiple finger integrated contact band |
| 02/15/1983 | US4373608 Tuned sound barriers |
| 02/15/1983 | US4373596 Weighing apparatus with electromagnetic force compensation |
| 02/15/1983 | CA1141428A1 Protected electrical inductive apparatus |
| 02/15/1983 | CA1141427A1 Protected electrical inductive apparatus |
| 02/09/1983 | EP0071306A1 Electric coil |
| 02/09/1983 | EP0071305A1 Electric coil |
| 02/09/1983 | EP0071172A2 High voltage ignition transformer |
| 02/09/1983 | EP0071008A1 Line transformer, in particular a transformer for a television receiver |
| 02/01/1983 | US4371858 Static induction apparatus |
| 01/26/1983 | EP0070783A1 Coil spacer |
| 01/26/1983 | EP0070752A1 Security transformer with concentric windings |
| 01/25/1983 | USRE31134 Ground level transformer unit |
| 01/25/1983 | US4370581 Multilayered coil structure |
| 01/25/1983 | US4370512 Shielding device for electrical inductive structure |
| 01/25/1983 | CA1140226A1 Core lamination for shell-type cores, particularly for transformers |
| 01/25/1983 | CA1140225A1 Core laminations for shell-type cores, especially for transformers |
| 01/18/1983 | US4369416 Band-stop filter for equipment with carrier-frequency utilization of low-voltage lines |
| 01/11/1983 | US4368447 Rolled core |
| 01/11/1983 | US4368407 Inductor-capacitor impedance devices and method of making the same |
| 01/11/1983 | CA1139384A1 Core laminations, particularly for transformers |