Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
06/1995
06/28/1995CN1104364A 2:19(3:29) phase rare-earth iron nitride (carbide) permanent magnet and its preparation method
06/27/1995US5428337 Conductive winding
06/27/1995US5428332 Magnetized material having enhanced magnetic pull strength and process and apparatus for the multipolor magnetization of the material
06/27/1995US5427675 Method of manufacturing article having magnetic patterns
06/27/1995US5426846 Method of breaking interlaminar bonds of an amorphous metal core
06/27/1995US5426845 Method of making a gradient coil assembly
06/21/1995EP0658907A1 Methods of manufacture of electrical components
06/21/1995EP0658527A1 Process for making a castable ceramic
06/21/1995EP0658272A1 Coil molded into magnetic stator.
06/21/1995CN1103988A Method for mfg. binding permanent magnetic material by magnetic orientation extrusion
06/21/1995CN1103987A Method for mfg. micro crystalline magnetic powder
06/20/1995US5425844 Method of making layer containing magnetic material
06/20/1995US5425166 Current transformer using a laminated toroidal core structure and a lead frame
06/15/1995WO1995016270A1 Method for winding a core having an electronic component, and members for guiding wires connecting a coil to the electronic component
06/15/1995WO1995016268A1 Amorphous permalloy films and method of preparing the same
06/14/1995EP0657904A1 Coil taping unit
06/14/1995EP0657903A1 Method of winding a core having an electronic component and means for guiding wires connecting a coil with the electronic component
06/14/1995EP0657900A1 Hybrid magnetic substrate and method for producing the same
06/14/1995EP0657063A1 Adjustable-impedance choke coil.
06/14/1995DE4421494C1 Production of micro-coils
06/13/1995US5424899 Compact transformer and method of assembling same
06/13/1995US5423117 Method for fabricating solenoid device for electromagnetic valves
06/07/1995CN1028813C Magnetic material containing rare earth element, iron, nitrogen, hydrogen and oxygen
06/06/1995US5422621 Oriented granular giant magnetoresistance sensor
06/06/1995US5421534 Apparatus for and method of controlling tension of a filamentary material
05/1995
05/31/1995CN2199583Y Vertical coiling machine with movable core expanding mould
05/30/1995US5419864 Electrical devices
05/24/1995EP0516773B1 Process for manufacturing coils
05/24/1995DE4441545A1 Magnetic coating compsn. with good dispersion, magnetic and rheological properties, useful for recording material
05/18/1995WO1995013620A1 Method of patterning magnetic members
05/17/1995EP0640240A4 Strip conductor for transformers.
05/17/1995EP0587617B1 Welding process for connecting a winding wire of a coil to a terminal
05/17/1995CN1028461C Quick-forming iron-base rare earth permanent magnet and producing method thereof
05/16/1995US5415901 Laser ablation device and thin film forming method
05/11/1995WO1995012887A1 Process and device for winding a closed ring core for high-power transformers and chokes
05/11/1995DE4338245A1 Welding device
05/10/1995EP0652574A2 Coil winding apparatus
05/10/1995EP0652572A1 Hot-pressed magnets
05/10/1995EP0652551A1 Methods of batch manufacturing of coils
05/10/1995EP0652441A1 Rogowski coil to be used in an electrical installation wiht grounded metallic enclosure and method of manufacturing such a coil
05/10/1995CN1102533A Coil component and method of punching core used for the coil component
05/09/1995US5414580 Magnetic storage system using thin film magnetic recording heads using phase-shifting mask
05/09/1995US5413672 Method of etching sendust and method of pattern-etching sendust and chromium films
05/09/1995CA2135129A1 Rogowski coil for use in an electrical installation with grounded metallic covering and process for the manufacture of said coil
05/03/1995EP0651407A1 Method and device for connecting a winding wire of a coil with a connector pin
05/03/1995EP0651406A2 Three-axis carriage for moving wire guides and cutting tools of a multiple winding machine for electric coils
05/03/1995EP0651403A2 Fe-M-C Magnetic film and method of producing the same
05/03/1995EP0651402A1 Rare earth bond magnet, composition therefor, and method of manufacturing the same
05/03/1995EP0650635A1 Method for the fabrication of multipole magnets.
05/03/1995CN1102271A Mutual-inductor current-conducting rod and making method thereof
05/02/1995US5412637 Method for putting an optical head in a stationary state and optical disk drive apparatus
05/02/1995US5412362 Deflection coil and fabrication method thereof
05/02/1995US5411813 Ferhgasi soft magnetic materials for inductive magnetic heads
05/02/1995US5411604 Method of producing low iron loss, low-noise grain-oriented silicon steel sheet, and low-noise stacked transformer
05/02/1995US5411603 Method of protecting magnetic powders and densified permanent magnets of the Fe Nd B type from oxidation and atmospheric corrosion
05/02/1995US5411126 Coin detector
05/02/1995US5410802 For inserting a body into a cavity in a housing
05/02/1995CA2009079C Wound magnetic core
04/1995
04/26/1995EP0650238A2 Device for stripping of round wires
04/25/1995US5410179 Microwave component having tailored operating characteristics and method of tailoring
04/25/1995US5409558 Method of manufacturing a gradient magnetic field coil assembly of an MRI apparatus
04/22/1995CA2118483A1 Method and apparatus for soldering a coil winding wire to a terminal pin
04/20/1995DE4333826A1 Method for the production of tubular windings for transformers or inductor coils having a plurality of parallel conductors lying radially one above the other
04/19/1995EP0649124A1 Marking of vehicles for impeding theft or unauthorized sale
04/19/1995CN1101751A Small transformer bobbin and method for connecting leading-out terminal
04/19/1995CN1101750A A machine for making sets of magnetic ribbons for use in distribution transformer cores
04/12/1995EP0647953A2 A powdery raw material composition for a permanent magnet, a permanent magnet and a method for producing the magnet
04/12/1995EP0647180A1 Thermoplastic coated magnetic powder compositions and methods of making same
04/11/1995US5406243 Packs of laminations and method and apparatus for forming them
04/11/1995US5405702 Electronic article surveillance; orienting axes of magnetization
04/11/1995US5405466 Method of manufacturing multilayer ceramic electronic component
04/07/1995CA2132760A1 A powdery raw material composition for a permanent magnet, a permanent magnet and a method for producing the magnet
04/06/1995DE4434071A1 Amorphous rare earth metal oxides
04/05/1995EP0646937A1 Method for producing a permanent magnet and an apparatus for producing a green compact
04/05/1995EP0646277A1 Giant magnetoresistant single film alloys
04/05/1995CN1101162A Low-cobalt high-coercivity magnesium-cobalt modulated needle-shape gamma-Fe2O3 magnetic powder and preparation method thereof
04/04/1995US5403457 Method for making soft magnetic film
03/1995
03/30/1995WO1995008438A1 Laminated metal structure
03/30/1995DE4332055A1 Device for the production of a coil arrangement
03/28/1995US5402097 Ring coil winding assisting device
03/28/1995US5401584 Surveillance marker and method of making same
03/23/1995WO1995008178A1 Process and design for producing inside coils
03/23/1995DE4332172A1 Connection support and method for the production of metallic connection supports and for the attachment of metal wires to connection supports
03/21/1995US5399372 Method of patterning magnetic members
03/21/1995US5399311 Radial anisotropic ring magnet with a sinusoidal waveform and producing method thereof
03/21/1995US5398403 Method of making a transformer core comprising groups of amorphous steel strips wrapped about the core window
03/21/1995US5398402 Method of repairing a transformer having a repairable amorphous metal transformer joint
03/16/1995DE4331186A1 Supply reel with a rotatable knock-off disc
03/15/1995EP0643467A2 Fixing method for rails with radical polymerisable compositions
03/15/1995EP0643406A2 Distribution transformers
03/15/1995EP0643405A2 Distribution transformers
03/15/1995EP0643376A1 Surveillance marker and method of making same
03/15/1995CN1100230A Method for preparing permanent-magnet cadmium rare-earth alloy
03/15/1995CN1100229A Process for preparing permanent-magnet cadmium rare-earth alloy
03/14/1995US5397070 Automatic coil winder
03/14/1995US5396696 Flyback transformer device and apparatus for preparing same
03/11/1995CA2131127A1 Surveillance marker and method of making same
03/08/1995EP0642183A1 Magnetic material with zero magnetostriction
03/08/1995EP0642142A2 Self-inductance coil
03/08/1995EP0641461A1 Encapsulated magnetic particles, pigments and carbon black, compositions and methods related thereto