Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
12/1988
12/21/1988EP0295744A1 Multipolar rotor
12/21/1988EP0295669A1 Method for embedding electric coil windings in a insulating compound and a mould therefor
12/21/1988EP0295609A2 Printed circuit windings for screened inductance sensors, especially sensors for level measurement
12/21/1988EP0295468A1 Unwinding device
12/14/1988CN87101048A 氧化物超导线圈及其制造方法 An oxide superconducting coil and its manufacturing method
12/13/1988US4791395 Magnetic core apparatus and method of constructing the same
12/13/1988US4790064 Method of manufacturing an amorphous metal transformer core and coil assembly
12/07/1988EP0293662A2 A process for making a thin film metal alloy magnetic recording disk with a hydrogenated carbon overcoat
12/07/1988CN87102026A Reactive power self-compensation transformer and motor
12/06/1988US4789849 Amorphous metal transformer core and coil assembly
11/1988
11/30/1988EP0293286A1 Method and device for manufacturing articles for magnetic use
11/30/1988EP0292543A1 Method of making an electronic component
11/29/1988US4787942 Uniform films
11/24/1988DE3714783A1 Printing ink and use thereof
11/22/1988US4785527 Method for manufacturing an inductive chip
11/22/1988CA1245313A1 Transformer with ferromagnetic circuits of unequal saturation inductions
11/17/1988WO1988009042A1 High coupling transformer adapted to a cutting supply circuit and cutting supply circuit including such a transformer
11/17/1988EP0291403A1 Transformer with a strong coupling for chopped supply circuit and supply circuit comprising such a transformer
11/17/1988EP0181337B1 Heat curable polyglycidyl aromatic amine encapsulants
11/15/1988US4783903 Method of forming a blind solder joint in an ignition coil
11/09/1988EP0290177A1 Process for producing ultrafine metal powder
11/09/1988EP0289599A1 Process for producing permanent magnets
11/08/1988US4782582 Process for the manufacture of a toroidal ballast choke
11/08/1988CA1244322A1 Hot pressed permanent magnet having high and low coercivity regions
11/02/1988EP0289316A2 Alloy target for manufacturing a magneto-optical recording medium
11/02/1988EP0289315A2 Alloy target for manufacturing a magneto-optical recording medium
11/02/1988EP0288637A2 Permanent magnet and method of making the same
11/01/1988US4781826 Apparatus for decontaminating PCB-contaminated dielectric fluids
10/1988
10/26/1988EP0288316A2 Compositionally modulated, nitrided alloy films and method for making the same
10/26/1988EP0288010A2 Rare earth metal-iron group metal target, alloy powder therefor and method of producing same
10/26/1988CN88101989A Method of manufacturing superconducting pattern by light irradiation
10/26/1988CN87210805U Iron core positioning device
10/25/1988US4780781 Thin film magnetic head having magnetic film of Co-Ni-Fe alloy
10/25/1988US4780226 Dry glass lubricants
10/25/1988US4779812 Toroidal electrical transformer and method of producing same
10/18/1988US4778582 Process for making a thin film metal alloy magnetic recording disk with a hydrogenated carbon overcoat
10/18/1988US4778580 Lattice disorder formation by cathode sputtering in inert gas plasma
10/18/1988US4778573 Electrolyte solution for electrolytic metal plating
10/12/1988EP0286410A2 Methods of manufacturing ceramic material superconductors
10/12/1988EP0286106A2 Process for manufacturing a superconductive device
10/12/1988EP0286022A1 Coil bodies and method for producing them
10/12/1988EP0285990A1 A rare-earth permanent magnet
10/12/1988CN87102374A Effective, harmless, combined drying process
10/11/1988US4777074 Grooved magnetic substrates and method for producing the same
10/05/1988EP0285579A2 Procedure for the production of magnetic plastic laminate and magnetic laminate obtained through said procedure
10/05/1988CN87211757U Closed winding iron core coiling machine
10/04/1988US4775245 Multi-phase electronic temperature controller
10/04/1988US4774756 Method of manufacturing a transformer with coaxial coils
09/1988
09/21/1988EP0283033A2 Ceramic substrate and preparation of the same
09/20/1988US4772976 Process for preparing magnetic layer and magnetic head prepared using the same
09/20/1988US4772505 Magnetic bubble memory element
09/20/1988US4771958 Apparatus and method for simultaneously winding two strands of wire on a bobbin
09/20/1988US4771957 Apparatus and method for fabricating a low voltage winding for a toroidal transformer
09/20/1988US4771956 Method of and apparatus for winding coil on toroidal core
09/14/1988EP0282360A2 Method for manufacturing components of superconducting ceramic oxide materials
09/13/1988US4770355 Methods for manufacturing heating coil assembly
09/13/1988US4769900 Magnetic shielding, manganese-zinc or silicone resin
09/07/1988EP0281295A2 Process and composition for producing bonded magnet
09/06/1988US4769166 Expandable magnetic sealant
09/06/1988US4769091 Amorphous metal alloy
09/06/1988US4768726 Toroidal coil winding machine to wind a toroidal core having a small opening
08/1988
08/30/1988US4767343 Electrical connection pin for surface-mountable electrical coils
08/25/1988WO1988005474A3 Method for preparing reactive metal surface
08/23/1988US4766407 Fixture for the window of a magnetic core
08/23/1988US4765861 Apparatus and method for winding a toroidal magnetic core onto a bobbin for a toroidal transformer
08/17/1988EP0278924A1 Automatic apparatus for shaping windings for coils particularly suitable to dipole or quadrupole magnets
08/17/1988EP0278635A1 Negative feedback power supply apparatus
08/17/1988EP0278153A1 Shed winding machine
08/17/1988CN87207740U Automatic inserting machine for e-and i-shaped iron core of transformer
08/16/1988US4763403 Method of making an electronic component
08/10/1988EP0277761A2 Apparatus for controlling traverse position of running strip
08/09/1988US4763095 Transformer with cast insulation jacket
08/09/1988US4762730 Method for producing transparent protective coatings from silicon compounds
08/03/1988EP0276784A2 Vialess shorting bars for magnetoresistive devices
08/03/1988EP0276684A2 Foil-roll electronic part and process of producing same
08/02/1988US4761243 Process for the preparation of magnetic paint
07/1988
07/28/1988WO1988005474A2 Method for preparing reactive metal surface
07/28/1988WO1988005473A1 Metal surface coating
07/28/1988WO1988005418A1 A wire magazine for use in a winding machine for the winding of elongate, preferably endless annular members or cores
07/26/1988US4759120 Method for surface mounting a coil
07/14/1988WO1988005024A1 A winding machine for annular cores and a wire magazine thereto
07/13/1988EP0274253A2 Turbine housing for turbocharger
07/12/1988US4756928 Method of forming electrodes of an electronic component of chip type for connecting to the external
07/12/1988CA1239200A1 Electrical inductive apparatus
07/06/1988EP0273792A1 Process for making spaced elements
07/06/1988EP0273682A2 Method and apparatus for manufacturing wound core
07/06/1988EP0273195A2 A method of making a thin magnetic pole piece
07/06/1988CN86101224B Method of manufacturing electromagnetic members
07/05/1988US4755784 Chip inductor
07/05/1988CA1238771A1 Coil winding methods and apparatus
06/1988
06/30/1988WO1988004878A1 Method of making an electronic component
06/28/1988US4754431 Vialess shorting bars for magnetoresistive devices
06/28/1988US4752999 Spherical transformer
06/23/1988DE3642246A1 Method for sheathing a coil with insulating material
06/21/1988US4752344 Codepositing of a nickel-iron intermetallic with a salt
06/21/1988US4752042 Winding apparatus utilizing magnetic carrier units
06/21/1988US4751946 Shed winding machine
06/16/1988WO1988004488A1 Multi-phase electronic temperature controller
06/16/1988DE3641746A1 Winding machine for coils, especially SMD coils
06/15/1988EP0271426A1 Method of manufacturing a multimetallic article