| Patents for H01F 27 - Details of transformers or inductances, in general (43,362) |
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| 02/03/1998 | US5714922 Ignition coil for an internal combustion engine |
| 02/03/1998 | US5714239 Composite component |
| 01/29/1998 | WO1997047067A3 A device in the stator of a rotating electric machine and such a machine |
| 01/29/1998 | WO1997045929A3 Earthing device and rotating electric machine including the device |
| 01/28/1998 | EP0821375A1 Use of a suppression choke in switching power supplies |
| 01/28/1998 | CN2273454Y Transformer with paralled primary winding |
| 01/28/1998 | CN2273453Y Oil conservator for transformer |
| 01/28/1998 | CN1171608A Electromagnetic noise absorber |
| 01/28/1998 | CN1171607A Choke coil for suppressing common-mode noise and normal-mode noise |
| 01/22/1998 | WO1997045933A3 A method and a device for reducing third harmonic phenomena in a rotating electric alternating current machine |
| 01/22/1998 | WO1997045926A3 An electric high voltage ac machine |
| 01/22/1998 | WO1997045921A3 Electromagnetic device |
| 01/22/1998 | DE19728667A1 High voltage transformer for gas discharge lamp |
| 01/22/1998 | DE19637733C1 Current-compensated noise suppression choke |
| 01/21/1998 | EP0820072A1 Ultra-flat magnetic device for electronic circuits |
| 01/21/1998 | EP0819944A1 Eddy current sensor |
| 01/21/1998 | CN2273045Y Transformer core lamination stack structure |
| 01/21/1998 | CN1170944A High-tensiont ransformer |
| 01/21/1998 | CN1170943A Inductive component |
| 01/21/1998 | CN1037130C 3-phase symmetrically inputting single phase power supply transformer |
| 01/20/1998 | US5710535 Coil assembly for a solenoid valve |
| 01/20/1998 | US5710534 Electrical apparatus including electric field control means |
| 01/20/1998 | US5710533 Electrical transformer with reduced fan noise |
| 01/20/1998 | US5709289 For railway transformers |
| 01/20/1998 | CA2110230C Standardized and self-contained transformer battery charger assembly |
| 01/15/1998 | WO1998001872A1 Planar transformer |
| 01/15/1998 | WO1998001871A1 Cooling system for substation |
| 01/15/1998 | WO1997045919A3 Rotating electric machines with magnetic circuit for high voltage and method for manufacturing the same |
| 01/15/1998 | WO1997045907A3 Rotating electrical machine plants |
| 01/15/1998 | DE19627817A1 Pancake coil electronic component |
| 01/14/1998 | EP0818791A1 High voltage transformer |
| 01/14/1998 | EP0763246B1 Twisted conductor |
| 01/14/1998 | CN1170392A Packaging for patches |
| 01/13/1998 | US5708721 Coil assemblies |
| 01/07/1998 | CN2272155Y Secondary side line pressure-drop compensator of voltage transformer |
| 01/07/1998 | CN2272154Y Low-voltage connector for transformer |
| 01/07/1998 | CN1169579A Fully-sealed series reactor |
| 01/07/1998 | CN1036957C Inductor element for magnetic interference/radio-frequency interference filter |
| 01/06/1998 | US5705971 Low leakage coaxial transformers |
| 01/02/1998 | DE19725865A1 Transformer winding structure e.g. for application in power pack |
| 01/02/1998 | DE19606299A1 Transformer, including heavy current types, construction and manufacturing method e.g. for electro-metallurgy, electrothermy, converter engineering, thyristor drives and in domestic appliances etc |
| 12/31/1997 | CN1169062A High voltage noise filter and magnetron device using it |
| 12/30/1997 | US5703559 For a magnetic core for charging a magnetic circuit with alternating field |
| 12/30/1997 | US5703558 Combined terminal block mount and lamination stack keeper |
| 12/30/1997 | US5703557 Noise absorbing device |
| 12/30/1997 | US5701665 Pi signal frequency filter method of manufacture |
| 12/23/1997 | US5701244 Uninterruptible power supply |
| 12/18/1997 | WO1997048170A1 Electric motor, in particular a motor-vehicle windscreen-wiper motor |
| 12/18/1997 | DE19623258A1 Elektrischer Motor, insbesondere Scheibenwischer-Motor eines Kraftfahrzeugs Electric motor, in particular wiper motor of a motor vehicle |
| 12/17/1997 | EP0542857B1 Sheet-wound coils |
| 12/17/1997 | CN2271019Y Fluorescent lamp ballast |
| 12/17/1997 | CN2271018Y High or low voltage coil inosculating device for transformer |
| 12/17/1997 | CN1167991A Device for fixing ferromagnetic core of induction element and wire supporter each to other |
| 12/17/1997 | CN1167990A Dust core, iron powder therefor and method of making same |
| 12/17/1997 | CN1036750C Direct-current impressing circuit |
| 12/16/1997 | US5699025 Thin film chip-type filter with an external electrode formed on an adhesion layer |
| 12/11/1997 | WO1997047083A1 Common mode filter and filter/connector combination |
| 12/11/1997 | WO1997047067A2 A device in the stator of a rotating electric machine and such a machine |
| 12/11/1997 | DE19724473A1 Suppression filter for reducing switching interference signals in static converter |
| 12/11/1997 | DE19623040A1 Remote supply choke e.g. for radio technical equipment |
| 12/11/1997 | CA2257163A1 Common mode filter and filter/connector combination |
| 12/10/1997 | CN1167367A Composite high-frequency element |
| 12/10/1997 | CN1167328A Core and sheet type coil of using it |
| 12/09/1997 | US5696478 Soldering pin, especially for use in a coil former |
| 12/09/1997 | US5696477 Transformer |
| 12/04/1997 | WO1997045939A1 Rotating electrical machine comprising high-voltage winding and cast compound supporting the winding and method for manufacturing such machine |
| 12/04/1997 | WO1997045938A1 Rotating electrical machine comprising high-voltage stator winding and spring-device supporting the winding and method for manufacturing such machine |
| 12/04/1997 | WO1997045937A1 A device in the stator of a rotating electric machine |
| 12/04/1997 | WO1997045936A1 Rotating electrical machine comprising high-voltage stator winding and radially extending support devices mounted in radially extending recesses in the stator slots and method for manufacturing such machine |
| 12/04/1997 | WO1997045935A1 Rotating electrical machine comprising high-voltage stator winding and elongated support devices supporting the winding and method for manufacturing such machine |
| 12/04/1997 | WO1997045934A1 A rotating electric machine and a method of manufacturing the same |
| 12/04/1997 | WO1997045933A2 A method and a device for reducing third harmonic phenomena in a rotating electric alternating current machine |
| 12/04/1997 | WO1997045932A1 Rotating electrical machine comprising high-voltage winding and elastic bodies supporting the winding and method for manufacturing such machine |
| 12/04/1997 | WO1997045931A1 Insulated conductor for high-voltage windings |
| 12/04/1997 | WO1997045930A1 Conductor for high-voltage windings and a rotating electric machine comprising a winding including the conductor |
| 12/04/1997 | WO1997045929A2 Earthing device and rotating electric machine including the device |
| 12/04/1997 | WO1997045928A1 A device in the stator of a rotating electric machine |
| 12/04/1997 | WO1997045927A1 Rotating electric machine for high voltage |
| 12/04/1997 | WO1997045926A2 An electric high voltage ac machine |
| 12/04/1997 | WO1997045925A1 High-voltage plants with electric motors |
| 12/04/1997 | WO1997045924A1 A turbo-generator plant |
| 12/04/1997 | WO1997045923A1 A hydro-generator plant |
| 12/04/1997 | WO1997045922A1 Synchronous compensator plant |
| 12/04/1997 | WO1997045921A2 Electromagnetic device |
| 12/04/1997 | WO1997045920A1 A conductor for high-voltage windings, and a process for preparing such conductor |
| 12/04/1997 | WO1997045919A2 Rotating electric machines with magnetic circuit for high voltage and method for manufacturing the same |
| 12/04/1997 | WO1997045918A1 Insulated conductor for high-voltage windings and a method of manufacturing the same |
| 12/04/1997 | WO1997045916A1 Axial cooling tubes provided with clamping means |
| 12/04/1997 | WO1997045915A1 Rotary electric machine with radial cooling |
| 12/04/1997 | WO1997045914A1 Rotary electric machine with axial cooling |
| 12/04/1997 | WO1997045912A1 A rotating asynchronous converter and a generator device |
| 12/04/1997 | WO1997045907A2 Rotating electrical machine plants |
| 12/04/1997 | WO1997045848A1 A dc transformer/reactor |
| 12/04/1997 | WO1997045847A1 Transformer/reactor |
| 12/04/1997 | WO1997045288A2 An electric drive system for vehicles |
| 12/04/1997 | CA2261638A1 Rotary electric machine with radial cooling |
| 12/04/1997 | CA2256535A1 Rotating electrical machine plants |
| 12/04/1997 | CA2256473A1 Rotating electric machines with magnetic circuit for high voltage and method for manufacturing the same |
| 12/04/1997 | CA2256469A1 Transformer/reactor |
| 12/04/1997 | CA2256347A1 Electromagnetic device |