Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
03/1995
03/08/1995EP0636272A4 Magnetized material having enhanced magnetic pull strength and a process and apparatus for the multipolar magnetization of the material.
03/07/1995US5396210 Dry-type transformer and method of manufacturing
03/07/1995US5394721 Method of producing permalloy cores
03/07/1995US5394720 Apparatus for producing form wound stator coils
03/02/1995WO1995006319A1 Ignition coil assembly
03/01/1995EP0640964A1 Target for magneto-optical recording medium and process for production therefof
03/01/1995EP0640240A1 Strip conductor for transformers
03/01/1995CN1027777C Improvements in laminations
02/1995
02/28/1995US5393805 Epoxy resin composition for insulating a coil, and a coil molded from the composition
02/28/1995US5393355 Low-iron loss grain oriented electromagnetic steel sheet and method of producing the same
02/28/1995US5393001 Core chuck for coil winding
02/23/1995WO1995005678A1 Methods for fabrication of thin film inductors, inductor networks and integration with other passive and active devices, and the resultant devices
02/22/1995CN1099214A Method for the manufacture of a degaussing coil, and coil obtained by this method
02/21/1995US5391403 Method of manufacturing a sensor having a magnetic film
02/16/1995WO1995004996A1 Sm2Fe17 ALLOY WITH Ta ADDITION AND THE PREPARATION PROCEDURE
02/16/1995DE4428693A1 Process for producing a ferrite magnet
02/14/1995US5390142 Memory material and method for its manufacture
02/14/1995US5389482 Magnetic particle powder included in magnetic toners for magnetic image character recognition
02/14/1995US5389428 Insulating housing contains metal of the type included in magnetic material
02/14/1995CA1334447C Perpendicular anisotropy in thin film devices
02/09/1995WO1995004362A1 Process for manufacturing alnico system permanent magnet
02/08/1995CN2189349Y Constant voltage apparatus for drying
02/07/1995US5388019 Magnetic thin film structures fabricated with edge closure layers
02/07/1995US5387894 Distribution transformers
02/07/1995US5387551 Method of manufacturing flat inductance element
02/01/1995EP0637122A1 An apparatus and method of controlling a step-down ratio of an autotransformer in response to an input voltage
02/01/1995EP0636272A1 Magnetized material having enhanced magnetic pull strength and a process and apparatus for the multipolar magnetization of the material
02/01/1995EP0636102A1 Yarn tensioning apparatus
01/1995
01/31/1995US5386206 Layered transformer coil having conductors projecting into through holes
01/31/1995US5385757 Trickle resin impregnation by mixing resin in free fall with a curing agent
01/31/1995US5384957 Method for producing a magnet roll
01/26/1995DE4324558A1 Inductive sensor
01/25/1995EP0635664A1 Encapsulated solenoid operated valve assembly
01/24/1995US5384680 Perpendicular anisotropy in thin film devices
01/24/1995US5383266 Method of manufacturing a laminated coil to prevent expansion during coil loading
01/19/1995DE4323656A1 Method of adhesively bonding permanent-magnetic materials
01/18/1995EP0634758A1 Magnetic medium and method of manufacturing the same
01/18/1995CN1027473C Anticorrosine rare-earth-transition metal series magnet and method thereof
01/17/1995US5382860 Electromagnetic pump stator core
01/17/1995EP0646277A4 Giant magnetoresistant single film alloys.
01/12/1995DE4422827A1 Layered potted (encapsulated) winding and a method for its production
01/10/1995US5379600 Superconducting magnet and method for assembling the same
01/10/1995US5379511 Armature winding method and apparatus
01/04/1995EP0632567A2 Method and device for automatic forming of packs of trimmed metal sheets for the manufacture of armatures of electrical machinery or the like
01/04/1995EP0632472A1 Current transformer using a laminated toroidal core structure and a lead frame
01/03/1995US5378297 Ferrite chip bead and method for making same
12/1994
12/28/1994EP0631368A2 Coil winding method and a combination of a coil winding jig and a coil winding machine for carrying out the same
12/28/1994EP0631293A1 Planar inductor and method of operatively calibrating the same in a RF system
12/22/1994WO1994029889A1 A machine for making sets of magnetic ribbons for use in distribution transformer cores
12/21/1994CN2185921Y Electronic watch coil winding machine
12/13/1994US5373238 Four layer magnetoresistance device and method for making a four layer magnetoresistance device
12/08/1994WO1994028562A1 Winding head
12/08/1994WO1994028552A1 Memory material and method for its manufacture
12/07/1994CN2184973Y Middle and high voltage coil grating multi-groove framework of commercial frequency induction transformer
12/07/1994CN1096130A Special temp compensation method of rare-earth permanent-magnet material
12/06/1994US5370766 Forming conductive layer on substrate, forming patterned dielectric layer thereon, formed patterned thin film conductor above the dielectric layer to provide inductor
11/1994
11/30/1994EP0558691B1 New category of magnetic materials, their production and use
11/30/1994CN1095854A Circuit wave filter
11/29/1994US5369389 Transformer comprising a plastics coil former
11/29/1994US5368948 Tags and markers with substrates and active magnetic layers, deactivation nickel material formed by electrodeposition and clamping
11/29/1994US5367931 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
11/29/1994US5367760 Method of making a narrow profile transformer
11/27/1994CA2124227A1 Method and device for automatic forming of packs of trimmed metal sheets for the manufacture of armatures of electrical machinery or the like
11/22/1994US5365652 Method for making a search coil frame assembly for metal detectors
11/17/1994EP0624868A2 Magnetoresistance effect elements and method of fabricating the same
11/17/1994DE4241656A1 Method for connecting a winding outgoer of a transformer to a bushing conductor
11/16/1994CN1095182A Rare earth-iron-base permanent-magnet carbonide containing gallium and its preparation method
11/15/1994US5365203 Delay line device and method of manufacturing the same
11/15/1994US5364253 Magnetic circuit component molding device
11/15/1994US5364014 Method of and apparatus for manufacturing electronic component
11/10/1994WO1994025970A1 Process and device for establishing contact between wound wires and terminals
11/09/1994CN1094844A Coil winding element
11/09/1994CN1094843A Rare-earth magnetic powder, preparation of same and resin-adhered magnetic body
11/09/1994CN1094834A Multilayered sendust films utilizing gas doping and optimized sendust seed layers
11/08/1994US5363081 Line transformer and manufacturing process thereof
11/08/1994US5362417 Method of preparing a stable colloid of submicron particles
11/08/1994US5362336 Permanent magnet material
11/08/1994US5362006 Segment removal assembly for winding machine
11/08/1994CA2039989C Electromagnetic sensor element and methods and apparatus for making and using same
11/02/1994EP0622848A1 Chip-type circuit component and method of manufacturing the same
11/02/1994EP0622791A1 Composite magneto-optic memory and media
11/01/1994US5360674 Permanent magnet coated with Ni or Ni alloy having a specific cell structure and growth pattern
11/01/1994US5360178 Multiple coiling machine for winding electrical coils
10/1994
10/27/1994DE4313255A1 Device and circuit for controlling the wire tension on winding machines for the production of electrical coils
10/26/1994EP0621612A1 Method for coating a toroidal core as edge protector
10/26/1994CN2181072Y Coil pressure immersion varnish machine
10/26/1994CN2181071Y Clamp tool for winding small transformer
10/25/1994US5359311 Solid inductor with vitreous diffused outer layer
10/25/1994US5358659 Submicron ion exchange resin bead containing two crystallites of iron(III)oxide
10/25/1994US5358215 Encapsulated solenoid operated valve assembly
10/20/1994DE4331621C1 Method and device for producing inner windings in an inner groove of an annular body, in particular a rotary transformer
10/20/1994DE4312444A1 Device for coating substrates, in particular with magnetisable materials
10/19/1994EP0620574A2 Hook type coil winding machine
10/19/1994EP0620573A2 Flux spreading thin film magnetic devices
10/18/1994US5357389 Alumina material useful with thin film heads
10/18/1994US5356514 Reactive etching in chlorine-containing gas while heated post-treating and purified water treatment
10/12/1994EP0619585A1 FeRhGaSi soft magnetic materials for inductive magnetic heads
10/12/1994EP0619584A2 Magnetic body formed from encapsulated ferromagnetic particles and method for the manufacture thereof
10/11/1994US5353669 Shear for sheet material and method for forming a transformer core from the sheet material
10/11/1994US5353494 Method for assembling a distribution transformer with conforming layers