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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06/21/1994 | US5322756 Loading ion exchange resin with magneticc in, micronizing, adding dye, pigmented or chromogen-xerography |
06/21/1994 | US5321965 Inductor winding apparatus and method |
06/21/1994 | US5321883 Apparatus for making a transformer core comprising strips of amorphous stell wrapped around the core window |
06/16/1994 | DE4338981A1 Magnetic plates stacking appts for mfr. of transformer iron cores - brings guide rods into engagement with guide holes to align each plate in predetermined position |
06/15/1994 | EP0601943A1 R-Fe-B type magnet powder, sintered magnets therefrom and preparation process |
06/15/1994 | EP0601791A1 Surface-mount power magnetic device and method of making the same |
06/15/1994 | EP0601779A1 Improved sintered ceramic components and method for making same |
06/15/1994 | EP0601776A1 Spiral, self-terminating coil and method of making the same |
06/14/1994 | US5319842 Shearing mechanism in a machine for attaching a terminal to a conductor |
06/09/1994 | CA2110846A1 Type fe-tr-b magnetic powder, corresponding sintered magnets and a method for their preparation |
06/08/1994 | EP0600794A1 Magnetic multilayer structure and detector with giant magnetoresistance and manufacture of this structure |
06/08/1994 | EP0600716A1 Magnetic recording medium |
06/08/1994 | EP0600697A1 Perpendicular magnetic film, multilayered film for perpendicular magnetic film and process for producing perpendicular magnetic film |
06/08/1994 | EP0600612A1 Air core reactor with conductor winding rigidly anchored to structural sleeve |
06/08/1994 | EP0599947A1 Split-configuration high-voltage diode transformer for a tv receiver |
06/08/1994 | CN1087747A Apparatus for making a transformer core comprising strips of amorphous steel wrapped aound the core window |
06/08/1994 | CN1087745A Air core reactor with conductor winding rigidly anchored to structural sleeve |
06/01/1994 | EP0599365A1 Hot-pressed magnets formed from anisotropic powders |
06/01/1994 | EP0599222A1 Method and apparatus for producing a powder compact |
06/01/1994 | EP0599201A1 Microwave magnetic material and method of fabricating the same |
06/01/1994 | EP0463002B1 Thick deposited cobalt platinum magnetic film and method of fabrication thereof |
05/31/1994 | US5317300 Encapsulated high efficiency transformer and power supply |
05/31/1994 | US5316595 Process for producing magnets having improved corrosion resistance |
05/31/1994 | US5315754 Method of making a transformer core comprising strips of amorphous steel wrapped around the core window |
05/26/1994 | WO1994011890A1 Improved edge coating for amorphous ribbon transformer cores |
05/26/1994 | CA2148841A1 Improved edge coating for amorphous ribbon transformer cores |
05/24/1994 | US5314756 Permanent magnet of rare-earth-element/transition-metal system having improved corrosion resistance and manufacturing method thereof |
05/24/1994 | US5314129 Coil winder with spindlehead movable in a horizontal plane |
05/21/1994 | CA2098553A1 Hot pressed magnets formed from anisotropic powders |
05/18/1994 | EP0597066A1 Method and apparatus for producing form wound stator coils |
05/18/1994 | EP0514424B1 Magnetic coil composed of stacked metal sheets, electrical machine with magnetic coils composed of stacked metal sheets, and process for manufacturing magnetic coils |
05/18/1994 | CN1086932A Cylinder type anisotropic magnets and their manufacturing methods and motors |
05/17/1994 | US5313356 Thin film magnetic head having a magnetic/non-magnetic laminate structure with the non-magnetic material being a metal or an insulating nitride |
05/17/1994 | US5312503 Laminated magnetic core and method of manufacturing same |
05/11/1994 | EP0596587A1 Lamination separation process |
05/11/1994 | EP0596448A2 Soft-magnetic multilayer thin film for use in a thin-film magnetic head and a method of manufacturing the same |
05/11/1994 | EP0596353A2 Method for manufacturing magnetisable bodies with preferred orientations |
05/11/1994 | EP0412137B1 Magnetic materials for security applications |
05/10/1994 | US5310975 Method and apparatus for the continuous field annealing of amorphous metal transformer cores |
05/10/1994 | US5310125 Transformer coil winding apparatus for winding wire on a coil bobbin |
05/10/1994 | US5309627 Apparatus for making a transformer core of non-circular cross-section |
05/06/1994 | CA2102467A1 Air core reactor with conductor winding rigidly anchored to structural sleeve |
05/05/1994 | DE4336385A1 Insulated wire having conductor with three insulating layers - with first two layers of polyester opt. mixed with ethylene copolymer with acid or salt side chains and the outer layer of thermoplastic polyamide |
04/28/1994 | WO1994009183A1 Apparatus and method for coating an electromagnetic coil |
04/27/1994 | EP0594382A1 Apparatus for making a transformer core comprising strips of amorphous steel wrapped around the core window |
04/27/1994 | EP0593805A1 Coil manufacturing device |
04/27/1994 | EP0593517A1 Electromagnet system and process and device for joining the core and yoke in an electromagnet system. |
04/26/1994 | US5307045 High-frequency inductor and manufacturing method thereof |
04/26/1994 | US5307044 For use with electric wires |
04/26/1994 | US5307042 Search coil frame assembly for metal and method for making same |
04/26/1994 | US5306524 Thermoplastic coated magnetic powder compositions and methods of making same |
04/26/1994 | US5305961 Method of winding an electrical coil as successive oblique layers of coil turns |
04/26/1994 | CA1328713C Starting material for injection molding of metal powder and method of producing sintered parts |
04/20/1994 | EP0592672A1 Method of producing anisotropic ferrite magnet, anisotropic ferrite magnet, hexagonal ferrite particles, and method for producing them |
04/19/1994 | US5304258 Magnetic alloy consisting of a specified FeTaN Ag or FeTaNCu composition |
04/19/1994 | US5304029 Lamination separation process |
04/14/1994 | WO1994008072A1 Method for manufacturing magnetic material for multilayered film by plating |
04/14/1994 | DE4334959A1 Vorrichtung und Verfahren zum Beschichten einer elektromagnetischen Spule Apparatus and method for coating an electromagnetic coil |
04/14/1994 | DE4303430A1 Automated mfr. of mechanically wound high-frequency transformer cores - involves use of needles to which wire is soldered or welded for threading through ferrite cores previously bonded to base-plates |
04/14/1994 | CA2108316A1 Apparatus and method for coating an electromagnetic coil |
04/13/1994 | EP0591555A1 Cylinder type anisotropic magnets and their manufacturing methods and motors |
04/13/1994 | CN2161976Y Multiple spindle winding machine |
04/12/1994 | US5302464 Electrodeposition of nickel, corrosion and oxidation resistance; chlorine-free electrolyte |
04/12/1994 | US5301895 Yarn tensioning apparatus |
04/12/1994 | US5301529 Coil winding method and apparatus |
04/07/1994 | DE4233420A1 Windings mfg. jig for transformers and chokes - has variable dia. winding cylinder formed by radial elements with links that can be displaced by axial common actuator |
04/07/1994 | DE4233419A1 Production of windings for transformers and inductance coils - has adjustment provided to vary diameter of winding former using cone-shaped elements to radially displace supports |
04/07/1994 | DE4233418A1 Coil winding jig for transformers and chokes - has radial support arm with adjustment via rack and grooved spiral disc coupled to drive motor |
04/07/1994 | DE4233417A1 Coil-winding appts. for transformers and chokes - has ring of identical mouldings with serrated edges which bridge gaps introduced by radial displacement. |
04/07/1994 | DE4231841A1 Clamping arrangement for coil winding equipment - has axial stop with built-in motor and transmission to apply axial load to flanges of cable former |
04/06/1994 | EP0590434A1 Process for producing a device having enhanced magnetoresistance and use of the device |
04/06/1994 | EP0590148A1 Method and apparatus for thin film formation, device, electro-magnetic apparatus, data recording/reproduction apparatus, signal processor, and method of producing molten crystal |
04/06/1994 | CN1084791A Apparatus for shear-cutting a stack of amorphous steel strips |
04/05/1994 | US5300391 Field assisted processes for preparing imaging members |
04/05/1994 | US5299728 Method and apparatus for laminating foils into a superconducting tape for use in a superconducting magnet |
03/31/1994 | DE4324661A1 Prodn. of copper-cobalt structure of improved magneto-resistance - comprises forming intermediate prod. and then transforming into final prod. using heat |
03/31/1994 | DE4232882A1 Arrangement for winding fingerprint coils, esp. for gradient coils of nuclear spin tomography device - has rotatable flat plate with retractable winding pins and wire feed mechanism |
03/30/1994 | CN1084668A Process for manufacturing rare-earth permanent magnet |
03/29/1994 | US5297747 Induction core winding device |
03/23/1994 | EP0588306A1 Photo-etched electronic coil |
03/23/1994 | CN1084328A Method and apparatus for manufacture of coil of stator with mold winding |
03/23/1994 | CN1084315A Inductance coil structure and its mfg. method |
03/22/1994 | US5296048 Crystalline substance containing Group IIIA element, Group VA element and transition or rare earth element |
03/17/1994 | WO1994006136A1 Coil molded into magnetic stator |
03/17/1994 | WO1994006131A1 Adjustable-impedance choke coil |
03/17/1994 | DE4230676A1 Method of forming ferrite coatings on substrates - by plasma spraying with compensation for evaporating constituents |
03/16/1994 | EP0587181A1 Highly corrosion-resistant metal, method and apparatus of manufacturing the same, and use thereof |
03/16/1994 | EP0587125A1 Method and apparatus for winding toroidal coils |
03/16/1994 | EP0526484B1 Method for assembling a coil on a printed circuit |
03/16/1994 | CN1083870A Unidirectional field generator |
03/15/1994 | US5294855 Electromotive device |
03/15/1994 | US5294287 Class of magnetic materials for solid state devices |
03/11/1994 | EP0647180A4 Thermoplastic coated magnetic powder compositions and methods of making same. |
03/10/1994 | DE4230116A1 Adhesive contg. aliphatic poly:ol and aromatic di:anhydride - is soluble in aq. alkali and used to assist machining e.g. of small lanthanide alloy permanent magnets from stacked plates |
03/09/1994 | EP0586246A1 Wound core |
03/09/1994 | EP0586142A1 Medium for perpendicular magnetic recording and multi-layered film for this medium |
03/09/1994 | EP0586052A2 Magnetic materials and method of preparation |
03/09/1994 | EP0586051A2 Method of preparing a stable colloid of dubmicron particles, and magnetic fluids |
03/09/1994 | EP0585786A2 Flyback transformer device and process for preparing same |
03/09/1994 | CN1083621A Wound Iron core |