| Patents for H01F 3 - Cores, yokes or armatures (3,764) |
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| 04/01/2004 | WO2004027793A1 Controlled inductance device and method |
| 04/01/2004 | US20040061586 Wire core inductive devices having a flux coupling structure and methods of making the same |
| 04/01/2004 | US20040061582 Dust core and method for producing the same |
| 03/30/2004 | CA2284958C Output choke for d.c. welder and method of using same |
| 03/25/2004 | WO2004025816A2 Low harmonic rectifier circuit |
| 03/25/2004 | US20040056743 Solenoid type drive and starter using the same |
| 03/24/2004 | EP1400988A2 Step-up transformer for magnetron driving |
| 03/23/2004 | US6710693 Inductor component containing permanent magnet for magnetic bias and method of manufacturing the same |
| 03/23/2004 | US6710671 Nonreciprocal circuit device and method of fabricating the same |
| 03/18/2004 | US20040051617 Wire core inductive devices having a biassing magnet and methods of making the same |
| 03/11/2004 | US20040046634 Low harmonic rectifier circuit |
| 03/11/2004 | US20040046633 Low harmonic rectifier circuit |
| 03/11/2004 | US20040046629 Low harmonic rectifier circuit |
| 03/11/2004 | US20040046626 Coil component and method of manufacturing the same |
| 03/11/2004 | DE20300696U1 Shaping and basic material for high energy alternating field yoke cores consisting of compound powder material, with any arbitrary shape provided by grinding, sawing and milling, etc. |
| 03/11/2004 | DE10240351A1 Wandleranordnung zur Speisung eines Auslösemagneten Converter arrangement for supplying a trigger magnet |
| 03/10/2004 | CN2606443Y 接触器铁心 Contactor core |
| 03/10/2004 | CN1481561A Coil component and method of mfg. same |
| 03/10/2004 | CN1480965A Material and energy saved technique for winding miniature transformer and transformer |
| 03/09/2004 | US6701817 Automatic iron core air gap cutting apparatus |
| 03/03/2004 | EP1394823A1 Current transformer for tripping magnet |
| 03/03/2004 | EP1392872A2 Non-alloying core shell nanoparticles |
| 03/03/2004 | EP0888662B1 Electromagnetic device |
| 02/26/2004 | WO2004017340A1 Reactor core for a non-linear core-type reactor and method for the production thereof |
| 02/26/2004 | WO2004017338A1 Inductive component and use of said component |
| 02/26/2004 | WO2003096512A3 Contact-less power transfer |
| 02/26/2004 | US20040038255 Silver-gold shelled composite oligonucleotide conjugate for detecting target nucleic acids, peptides and proteins; colorimetric based DNA detection |
| 02/26/2004 | US20040037597 Magnetic core and magnetic field shield member,and excitation coil, transformer, electric equipment, and electrophotographic apparatuses using the magnetic core and the magnetic field shield member |
| 02/24/2004 | US6696913 Ferrite core for a transformer |
| 02/19/2004 | US20040032316 Reverse-direction-staple system and method |
| 02/19/2004 | US20040032315 Variable inductor responsive to AC current level |
| 02/19/2004 | US20040032181 Rotated reverse-direction-staple system and method |
| 02/18/2004 | EP0901704B1 High-voltage plants with electric motors |
| 02/18/2004 | EP0901702B1 A hydro-generator plant |
| 02/18/2004 | CN1476617A Bulk amorphous metal magnetic component |
| 02/12/2004 | DE10234979A1 Inductance core has a ring shaped with a profiled radial slot produced in sintered material to produce a non linear characteristic |
| 02/12/2004 | DE10232661A1 Tauchanker-Vorrichtung Plunger device |
| 02/11/2004 | CN1475019A Ferrite core with novel construction |
| 02/05/2004 | US20040021540 Magnetic circuit with coil |
| 02/04/2004 | EP1387083A2 Solenoid type drive and starter using the same |
| 02/04/2004 | CN1473337A Permanent magnet, magnetic core having magnet has bias magnet and inductance parts using the core |
| 01/28/2004 | EP1385179A1 Magnetic core and magnetic core-use adhesive resin composition |
| 01/22/2004 | WO2004007987A1 Electromagnetic brake |
| 01/21/2004 | EP1383144A1 Plunger device |
| 01/15/2004 | US20040008468 Method of controlling magnetic flux of electromagnet, and electromagnet implementing the same |
| 01/08/2004 | US20040004528 Method of configuring common mode/differential mode choke |
| 01/07/2004 | CN1466768A Magnetically hard object and method for adjusting the direction and position of a magnetic vector |
| 12/18/2003 | US20030232196 Comprises polysiloxanes/polysilanes |
| 12/18/2003 | US20030231094 Electromagnetic inductor and transformer device and method of making the same |
| 12/18/2003 | US20030230362 Insulation film, powder for magnetic core and powder magnetic core and processes for producing the same |
| 12/17/2003 | EP0903002B1 Rotating electrical machine comprising high-voltage winding and cast compound supporting the winding and method for manufacturing such machine |
| 12/11/2003 | US20030227365 Transformer core |
| 12/11/2003 | US20030227363 Method of manufacturing an inductor |
| 12/10/2003 | CN1130734C Electrical choke |
| 12/09/2003 | US6661327 Electromagnetic inductor and transformer device and method making the same |
| 12/09/2003 | US6660412 Low loss, high frequency composite magnetic material and methods of making the same |
| 12/02/2003 | US6657529 Magnetic component |
| 12/02/2003 | US6657528 Slope gap inductor for line harmonic current reduction |
| 11/26/2003 | EP1364377A1 Electromagnetic actuator |
| 11/25/2003 | US6653921 Magnetic member for electromagnetic driving device and manufacturing method thereof |
| 11/20/2003 | WO2003096512A2 Contact-less power transfer |
| 11/20/2003 | WO2003096361A1 Improvements relating to the transfer of electromagnetic power |
| 11/19/2003 | EP0888661B1 An electric high voltage ac generator |
| 11/18/2003 | US6649422 Integrated circuit having a micromagnetic device and method of manufacture therefor |
| 11/13/2003 | US20030210198 Remote access device having multiple inductive coil antenna |
| 11/13/2003 | US20030210123 Toroidal core for a toroid |
| 11/13/2003 | US20030210106 Contact-less power transfer |
| 11/13/2003 | US20030210104 EMI filters |
| 11/12/2003 | EP1361587A1 EMI filters |
| 11/12/2003 | EP1360708A2 Toroidal inductive devices and methods of making the same |
| 11/12/2003 | EP0901703B1 A turbo-generator plant |
| 11/11/2003 | US6646532 Alloy powder of Mn, Al, V, Cr, and Ti, and balance Fe |
| 11/06/2003 | US20030206090 Dust Core |
| 11/06/2003 | US20030206087 Magnetic system having three-dimensional symmetry for three phase transformers |
| 11/04/2003 | US6642828 Airgapped magnetic component |
| 11/04/2003 | US6640419 Method of making a magnetic circuit with coil |
| 10/30/2003 | US20030201864 High performance bulk metal magnetic component |
| 10/30/2003 | US20030201860 Ferrite sleeve base with drum core for SMT inductors |
| 10/29/2003 | EP1356479A2 Coil component and method of manufacturing the same |
| 10/28/2003 | US6637593 Laced electrode coil and method of making |
| 10/23/2003 | US20030198067 Core structure and interleaved DC-DC converter topology |
| 10/23/2003 | US20030197585 Core structure |
| 10/23/2003 | US20030197440 Stator core for a magnetic bearing and the method of manufacturing it |
| 10/21/2003 | US6635009 Magnetic field applicator for heating magnetic substances in biological tissue |
| 10/15/2003 | EP1353341A1 Dust core and method for producing the same |
| 10/15/2003 | CN1448964A Mild steel wire transformer core |
| 10/15/2003 | CN1124624C Process for manufacturing MPP core forming powder and process for manufacturing MPP core using the powder |
| 10/09/2003 | WO2003083881A1 Low profile high current multiple gap inductor assembly |
| 10/09/2003 | CA2480431A1 Low profile high current multiple gap inductor assembly |
| 10/02/2003 | US20030184423 Low profile high current multiple gap inductor assembly |
| 10/01/2003 | EP1348222A2 Method of manufacturing a stacked core for a magnetic induction device |
| 10/01/2003 | EP0901701B1 Synchronous compensator plant |
| 10/01/2003 | CN1123018C Choke coil |
| 09/30/2003 | US6627103 Firing, cooling in nitrogen environment |
| 09/25/2003 | WO2003079379A1 Composite core nonlinear reactor and induction power receiving circuit |
| 09/24/2003 | EP1016187B1 Conductor for high-voltage windings and a rotating electric machine comprising a winding including the conductor |
| 09/24/2003 | EP0901705B1 Insulated conductor for high-voltage windings |
| 09/18/2003 | WO2003077603A2 Magnetron drive boosting transformer |
| 09/16/2003 | US6621399 Alloy comprising 1-10 wt % Si, 0.1-1. 0 wt % O, and balance Fe. An insulator comprising SiO2 and MgO |
| 09/16/2003 | US6621398 Inductance element such as a choke coil and a transformer for use in a switching power supply or the like |