| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 01/02/1986 | EP0166473A1 Transformer having concentric coils |
| 12/31/1985 | US4561707 Current-sheet inductor network and pulse-forming systems |
| 12/27/1985 | EP0165845A1 Transformer with a strong primary-secondary coupling |
| 12/27/1985 | EP0165835A1 Current sensor with a magnetic core |
| 12/27/1985 | EP0165640A1 Device for the galvanic insulation between a pulse generator and a load |
| 12/24/1985 | US4560970 Variable transformer with multi-layer coil |
| 12/19/1985 | WO1985005730A1 Power transformer for use with very high speed integrated circuits |
| 12/17/1985 | CA1198187A1 Transformer core cooling arrangement |
| 12/11/1985 | EP0164322A2 A toroidal power transformator |
| 12/11/1985 | EP0163907A1 High-tension transformer winding with regulated voltage distribution |
| 12/10/1985 | US4558406 Transformer for generating high DC voltages with integrated means for cooling rectifiers |
| 12/10/1985 | US4558296 For an inductive a.c. apparatus |
| 12/04/1985 | EP0163167A1 Transformer device for electric welding |
| 12/03/1985 | US4556859 Method and structure of individually shielded, relay, pickup and holding coils, to reduce the effects of external and internal transients |
| 12/03/1985 | US4556758 Padmounted transformer |
| 12/03/1985 | CA1197374A1 Dielectric fluids and apparatus incorporating such fluids |
| 11/27/1985 | EP0162488A1 Transfromer comprising coacxial coil formers |
| 11/26/1985 | US4555587 Enclosure for a power supply |
| 11/26/1985 | US4554730 Building thin layers of liquid resin by immersion of each turn; curing |
| 11/26/1985 | CA1197215A1 Pressure relief device |
| 11/19/1985 | US4554523 Winding for static induction apparatus |
| 11/19/1985 | US4554504 Negative resistance compensated transformer |
| 11/19/1985 | CA1196972A1 Electric transformer |
| 11/13/1985 | EP0161174A1 Method for the thermal compensation of a magnetic circuit |
| 11/12/1985 | US4553123 Miniature inductor |
| 11/12/1985 | US4553122 Cored magnet with lightweight large area pole pieces |
| 11/12/1985 | US4552990 Insulated conductor for transformer windings and other inductive apparatus |
| 11/07/1985 | WO1985004982A1 Ac groundless transformer |
| 11/06/1985 | EP0160147A2 Laminated iron core for electric machine |
| 11/05/1985 | US4551700 Toroidal power transformer |
| 10/30/1985 | EP0159440A2 Evaporation-cooled gas insulated electrical apparatus |
| 10/30/1985 | EP0159387A1 Distribution transformer with coiled magnetic circuit |
| 10/29/1985 | US4550364 Power transformer for use with very high speed integrated circuits |
| 10/29/1985 | US4549817 Thermal monitoring apparatus for transformers or chokes |
| 10/29/1985 | US4549603 Heat exchanging device with heat exchanging plates |
| 10/23/1985 | EP0159067A1 Magnetic core |
| 10/22/1985 | US4549042 For conducting high frequency current |
| 10/22/1985 | US4547961 Method of manufacture of miniaturized transformer |
| 10/16/1985 | EP0157927A1 Electronic component, in particular a chip inductance |
| 10/15/1985 | US4546753 Ignition coil for internal combustion engines |
| 10/09/1985 | EP0157670A1 Transformer and method of producing it |
| 10/08/1985 | US4546340 Electrical coil assembly |
| 10/01/1985 | US4544906 Transformer having coaxial coils |
| 09/24/1985 | US4543552 Transformer, more especially a voltage dropping transformer for an electric welding machine |
| 09/24/1985 | US4543446 Vaporization-cooled transformer havig provisions for replenishment of molecular sieve material |
| 09/24/1985 | US4543208 Magnetic core and method of producing the same |
| 09/18/1985 | EP0154697A1 High-voltage winding with constrained potential distribution for transformers |
| 09/17/1985 | US4542362 Electrical transformers with improved insulation and coolant guiding |
| 09/17/1985 | CA1193706A1 Self-adjusting spacer |
| 09/17/1985 | CA1193681A1 Transformers |
| 09/17/1985 | CA1193555A1 Apparatus for continually upgrading transformer dielectric liquid |
| 09/11/1985 | EP0154052A1 Safety transformer |
| 09/10/1985 | US4540967 Molded transformer with grounded electrically conductive layer |
| 09/10/1985 | US4540848 Electric high-voltage earthquake-resistant bushing |
| 09/10/1985 | CN85200002U A transfomer with trifilar winding used in latent oil pump and its control |
| 09/10/1985 | CA1193349A1 Dielectric fluid tank |
| 09/04/1985 | EP0153637A1 Gas insulated electromagnetic induction appliance |
| 09/03/1985 | US4538346 Method for manufacture of selectively coated carrier plate |
| 08/28/1985 | EP0152884A1 Noise reduction device for an alternating current induction apparatus with an iron core |
| 08/27/1985 | US4538132 Impedance converting transformer formed of conductors extending through a magnetic housing |
| 08/27/1985 | US4536952 Preparation of laminated iron core of electric device |
| 08/27/1985 | CA1192636A1 Ignition coil core and method of making it |
| 08/21/1985 | EP0151729A2 High-voltage transformer for X-Ray generator |
| 08/20/1985 | US4536734 Transformer winding sheet insulator with spacer member |
| 08/20/1985 | US4536733 High frequency inverter transformer for power supplies |
| 08/20/1985 | CA1192281A1 Toroidal electrical transformer and method of producing same |
| 08/14/1985 | EP0151366A1 High voltage winding of an inductive voltage transformer |
| 08/13/1985 | US4535253 Mobile electrical apparatus |
| 08/07/1985 | EP0151048A1 Improvements in or relating to electrical induction apparatus |
| 08/07/1985 | EP0150921A1 Method of making a void-free non-cellulose electrical winding |
| 08/06/1985 | US4533786 Padmounted transformer enclosure |
| 08/01/1985 | WO1985003380A1 Improvements in electrical conductors or semi-conductors |
| 07/31/1985 | EP0150132A2 On-load tap changer |
| 07/31/1985 | EP0150130A2 On-load tap changer |
| 07/24/1985 | EP0149240A2 Resonant tag circuits useful in electronic security systems |
| 07/24/1985 | EP0149169A2 Transformer-rectifier |
| 07/23/1985 | US4531108 Three-phase choke with a five-leg core |
| 07/23/1985 | US4530812 Composite coils for toroidal field coils and method of using same |
| 07/16/1985 | US4529131 Spray device for electrostatic coating of articles with coating material |
| 07/16/1985 | CA1190637A1 Process for removing undesirable substances from electrical devices |
| 07/16/1985 | CA1190620A1 Bushing mounting device |
| 07/10/1985 | EP0147860A2 Method for replacing PCB-containing coolants in electrical induction apparatus with substantially PCB-free dielectric coolants |
| 07/10/1985 | EP0147544A2 High voltage transformer |
| 07/09/1985 | US4528484 Electronically controlled motor assembly |
| 07/04/1985 | WO1985002937A1 Method for replacing pcb-containing askarels in electrical induction apparatus with pcb-free dielectric coolants |
| 07/03/1985 | EP0146948A1 Electromagnetic induction apparatus |
| 07/03/1985 | EP0146585A1 Inductive element, particularly transformer. |
| 07/02/1985 | US4527141 Transformer comprising a wound coil former |
| 07/02/1985 | US4527140 Split type zero-phase transformer with holder for mounting on an electrical cable |
| 07/02/1985 | CA1189963A1 Television receiver saturating core regulated power supply with permanent magnet biasing |
| 06/25/1985 | US4525791 Method and apparatus for reducing vibrations of stationary induction apparatus |
| 06/25/1985 | CA1189309A1 Electrical devices impregnated with silicone fluids |
| 06/19/1985 | EP0144347A1 Active current transformer. |
| 06/18/1985 | US4524342 Toroidal core electromagnetic device |
| 06/11/1985 | US4523171 Dry-type transformer with windings cast in casting resin |
| 06/11/1985 | US4523169 Dry type transformer having improved ducting |
| 06/11/1985 | US4522771 Method of fabricating layer insulation for use in high-voltage electrical equipment |
| 06/11/1985 | US4522094 Automatic lamination cutting machine for electric shunt induction winding |
| 06/11/1985 | US4521957 Method of constructing a magnetic core |
| 06/11/1985 | US4521956 Method for making a transformer having improved space factor |