| Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155) |
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| 03/08/1994 | US5293524 Uniformly wound superconducting coil and method of making same |
| 03/08/1994 | US5293146 Electric coil device for use as a transformer or the like |
| 03/08/1994 | US5291648 Apparatus for making a transformer core comprising amorphous metal strips surrounding the core window |
| 03/03/1994 | WO1994004281A1 Process and device for consolidating and coating an air-core coil |
| 03/03/1994 | DE4229678A1 Prodn. method for current converter formed from Rogowski coil - involves bendable non-magnetic winding carrier for control of power switches |
| 03/03/1994 | DE4228642A1 Verfahren zur Impedanz-Einstellung einer Drossel Method for impedance setting a throttle |
| 03/03/1994 | DE4228520A1 Shaped plastics bonded permanent magnet prodn. - involves room temp. pressing and hot moulding stages |
| 03/03/1994 | DE4228519A1 Method of mfg. plastic-bonded permanent magnets - from powders by two-stage pressing procedure |
| 03/02/1994 | EP0584768A1 Method for making soft magnetic film |
| 03/02/1994 | EP0584295A1 Method for mounting an electrical coil on a magnetic circuit having an air gap. |
| 03/02/1994 | CN1083258A Method for manufacturing high-performance permanent-magnet ferrite |
| 03/02/1994 | CN1083257A Method for preparing powder of permanent-magnet material |
| 03/01/1994 | US5290425 Organic solvent electrolyte for plating film of R2 T14 B intermetallic compound permanent magnet |
| 03/01/1994 | US5290416 Unidirectional field generator |
| 02/23/1994 | EP0583889A2 Method of etching sendust and method of pattern-etching sendust and chromium films |
| 02/23/1994 | CN1082759A Producing method for Nd-Fe-B permanent magnet |
| 02/23/1994 | CN1082758A Iron-based rare-earth permanent magnet containing niobium and its producing method |
| 02/23/1994 | CN1082572A Packaged magnetic paint and preparation and application of same |
| 02/22/1994 | US5288454 Powder metallurgy, cold compression, sintering, magnetizing |
| 02/16/1994 | CN2156580Y Tension adjustable wire releasing device |
| 02/16/1994 | CN1082245A Method for making ferrite core |
| 02/15/1994 | US5286366 Etching; forming three nickel layers of varying brightness; applying chromate coating |
| 02/15/1994 | US5285565 Method for making a transformer core comprising amorphous steel strips surrounding the core window |
| 02/08/1994 | US5284541 Insulating tape for winding coils |
| 02/03/1994 | WO1994002953A1 Method for the fabrication of multipole magnets |
| 02/02/1994 | CN1081532A Method and apparatus for making packets of amorphous steel strip for transformer core manufacture |
| 02/01/1994 | US5282580 Method and apparatus for winding ring-shaped articles |
| 02/01/1994 | CA1326624C Liquid-phase-epitaxy deposition method in the manufacture of devices |
| 01/27/1994 | DE4221769C1 Producing inductive constructional component - winding at least one winding around magnet core emerging from floor plate and core plate between which are vertical metal bar groups. |
| 01/26/1994 | EP0580131A2 Methof for making a choke or a transformer with E-shaped core laminations formed of two U-shaped laminations |
| 01/26/1994 | EP0502940B1 Composite magnetic sheet material and fabrication method |
| 01/26/1994 | CN1081281A Transformer core comprising groups of amorphous steel strips wrapped a bout the core window |
| 01/25/1994 | US5281942 Bobbin for an electrical winding and method of manufacture |
| 01/25/1994 | US5280873 Plunger armature magnetic arrangement |
| 01/20/1994 | DE4323437A1 Prodn. of magnet-optical recording medium, e.g. disk - using multi-layer recording film formed from thin films of at least two or more types which are stacked alternatingly several times on substrate in sputter system |
| 01/19/1994 | EP0579114A1 Sputtering apparatus |
| 01/19/1994 | EP0578911A1 Method for fabricating a wear-resistant magnet-containing component and resulting article |
| 01/19/1994 | EP0578824A1 Continuous ultrasonic cleaning apparatus. |
| 01/19/1994 | CN1023583C Low loss ferrite material and making method |
| 01/18/1994 | US5279785 Permanent magnet having high corrosion resistance, a process for making the same and a process for making a bonded magnet having high corrosion resistance |
| 01/12/1994 | CN2153128Y Winding device for transformer coil |
| 01/11/1994 | US5278533 Coil for use in charged particle deflecting electromagnet and method of manufacturing the same |
| 01/11/1994 | US5277845 Rare earth epitaxial wafer |
| 01/05/1994 | EP0576418A1 Process for producing cast resin coils and cast resin coils thus produced. |
| 01/04/1994 | US5276421 Transformer coil consisting of an insulating ribbon comprising electrically conducting patterns making it possible to produce paralleling of the patterns when this ribbon is accordion folded |
| 01/04/1994 | US5275891 R-TM-B permanent magnet member having improved corrosion resistance and method of producing same |
| 01/04/1994 | US5274907 Apparatus for winding a toroid coil on a toroidal body |
| 01/04/1994 | US5274904 Guideway coil of laminated foil construction for magnetically levitated transportation system |
| 12/29/1993 | EP0576376A2 Cobalt platinum magnetic film and method of fabrication thereof |
| 12/29/1993 | EP0576250A1 Method and apparatus for making packets of amorphous steel strip for transformer core manufacture |
| 12/29/1993 | EP0576249A1 Transformer core comprising groups of amorphous steel strips wrapped about the core window |
| 12/29/1993 | EP0575455A1 An apparatus for supporting and orientating in a balanced fashion the mandrel on which superconducting wires of elongated shape magnetic coils are wound |
| 12/29/1993 | EP0489784B1 Permanent magnet |
| 12/23/1993 | WO1993026018A1 Giant magnetoresistant single film alloys |
| 12/23/1993 | DE4220194A1 Conductor-to-chip contact in mfr. of transponder |
| 12/22/1993 | CN1023230C Oxidation resistant compositions for use with rare earth magnets |
| 12/21/1993 | US5271966 Method for manufacturing a magnetic recording medium |
| 12/21/1993 | US5271777 High efficiency coil fabrication process |
| 12/15/1993 | EP0573469A1 Method for fixing a winding to an electronic circuit. |
| 12/15/1993 | EP0378698B1 Method of producing permanent magnet |
| 12/15/1993 | CN2149715Y Vernier type winding die |
| 12/09/1993 | WO1993024984A1 Method and apparatus for producing form wound stator coils |
| 12/08/1993 | EP0572847A1 Coin sensor |
| 12/08/1993 | CN1079330A Method for treating end face of pin-free ceramic inductor |
| 12/07/1993 | US5268663 Ignition coil assembly directly applied to ignition plug for internal combustion engine |
| 12/07/1993 | US5268140 Thermoplastic coated iron powder components and methods of making same |
| 12/07/1993 | US5267393 Method of manufacturing a strip wound coil to eliminate lead bulge |
| 12/07/1993 | CA1325072C Dry-type power transformer having embedded windings and process for producing embedding resin |
| 12/02/1993 | DE4300756C1 Winding device for transformer inner coil - has ferrite ring acting as carrier for coil fitted to winding mandrel with relative rotation and axial displacement |
| 12/01/1993 | EP0571705A2 Method of producing low iron loss, low-noise grain-oriented silicon steel sheet, and low-noise stacked transformer |
| 12/01/1993 | EP0528883B1 Magnetic cores utilizing metallic glass ribbons and mica paper interlaminar insulation |
| 12/01/1993 | CN1079071A Mixed magnetic circuit electric device producing method |
| 11/30/1993 | US5266917 Linear magnetic sensing device |
| 11/30/1993 | US5266739 Chip electronic device with a resin housing and manufacturing process thereof |
| 11/25/1993 | WO1993023860A1 Strip conductor for transformers |
| 11/25/1993 | WO1993023858A1 Rare earth bond magnet, composition therefor, and method of manufacturing the same |
| 11/25/1993 | WO1993023795A1 Encapsulated magnetic particles, pigments and carbon black, compositions and methods related thereto |
| 11/24/1993 | EP0377719B1 Winding device |
| 11/24/1993 | CN2147633Y Composite equipment for making tranformer coil |
| 11/24/1993 | CN1022875C Insulating press ring of large-size transformer and its manufacturing method |
| 11/24/1993 | CN1022874C Maskless photoetching coil method by space projection imaging |
| 11/23/1993 | US5264981 Dynamic storage systems including disk and tape media |
| 11/23/1993 | US5264816 Electrical winding termination structure |
| 11/23/1993 | US5263639 Robotic coil winding system |
| 11/18/1993 | EP0570007A2 Automatic coil winder |
| 11/16/1993 | US5262746 Ribbon coil for motor winding |
| 11/16/1993 | US5261615 Process for manufacturing electronic components comprising a fine-wire winding, and device for holding the winding wire permitting manufacture according to this process |
| 11/16/1993 | US5261152 Method for manufacturing amorphous magnetic core |
| 11/11/1993 | WO1993022778A1 Cylinder type anisotropic magnets and their manufacturing methods and motors |
| 11/11/1993 | WO1993022777A1 Method of producing anisotropic ferrite magnet, anisotropic ferrite magnet, hexagonal ferrite particles, and method for producing them |
| 11/10/1993 | EP0569231A1 Deflection coil and fabrication method thereof |
| 11/10/1993 | EP0568719A1 Magnetic materials |
| 11/03/1993 | EP0568139A1 Device for stripping of round wires |
| 11/03/1993 | CN1077915A Cutting apparatus for cutting strip material by a plurality of slitter units to obtain a plurality of ribbon core materials in one operation with high precision |
| 10/28/1993 | WO1993021643A1 Magnetized material having enhanced magnetic pull strength and a process and apparatus for the multipolar magnetization of the material |
| 10/28/1993 | WO1993021096A1 Yarn tensioning apparatus |
| 10/27/1993 | EP0567345A1 Deflection coil and fabrication method thereof |
| 10/27/1993 | EP0566790A1 Magnetic powder and magnetic toner |
| 10/27/1993 | EP0566771A1 High precision cutting apparatus for strip material |
| 10/26/1993 | US5257000 Circuit elements dependent on core inductance and fabrication thereof |