Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
07/1980
07/15/1980US4212688 Nickel and cobalt
07/10/1980WO1980001432A1 Method of making reeled articles of insulated wire
07/10/1980WO1980001431A1 Method and device for making reeled articles of coaxial microwire
07/10/1980WO1980001430A1 Device for making resistors of insulated wire
07/09/1980EP0012916A1 Wrapping and cutting device
07/08/1980US4211803 CVD Growth of magnetic oxide films having growth induced anisotropy
07/08/1980US4210994 Method of manufacturing a cooled lifting magnet with damped eddy currents
07/01/1980US4210483 Apparatus for making an inductive delay line component
07/01/1980CA1080682A1 Dual coil hinged bobbin assembly
06/1980
06/25/1980EP0012542A1 Method of making heat curable adhesive coated insulation for transformers
06/25/1980EP0012326A2 A method of electroplating nickel-iron alloys
06/24/1980US4209848 Magnetic domain device shield
06/17/1980US4208294 Dilution stable water based magnetic fluids
06/17/1980US4207927 Braiding device for coil winding machines
06/11/1980EP0011827A1 A device for supplying a pair of wires to a rotating wire guide in a coil winding machine
06/11/1980EP0011733A1 Magnetic core winding method and apparatus
06/11/1980EP0011626A1 A winding unit for use in a winding machine for winding elongate members or cores
06/10/1980US4206861 Terminal forming and installing apparatus
06/03/1980US4206436 Electrical apparatus encapsulated with resin coated filler
06/03/1980US4205430 Method of treating high energy magnets for improving their performance
06/03/1980CA1078971A1 Yttrium iron garnet disks on gadolinium gallium substrates for microwave applications
05/1980
05/28/1980EP0011135A1 Bubble device fabrication method and device so fabricated
05/27/1980US4205120 Nonferrous, nonmagnetic interlayer
05/27/1980US4204417 Apparatus and method for winding electrical coils
05/20/1980US4204087 Adhesive coated electrical conductors
05/14/1980EP0010920A1 Liquid phase epitaxial process
05/14/1980EP0010685A1 Punch and winding machine
05/14/1980EP0010654A1 Method for bonding together stacks of metal sheets in the construction of electric machines and transformers
05/14/1980EP0010626A1 A magnetic recording medium
05/01/1980WO1980000891A1 Method of fabricating metallic magnetic tape
04/1980
04/30/1980EP0010427A1 Transformer cores
04/30/1980EP0010252A1 Device for automatically stacking of sheets to form laminated iron cores
04/30/1980EP0010092A1 Process for production of a wound magnetic circuit; wound magnetic circuit resulting from this process; devices for carrying out the process
04/29/1980US4200854 Core with step-lap joints
04/29/1980US4199862 Curing polymers coating dielectrics
04/22/1980US4199743 Encapsulated current transformer
04/15/1980CA1075567A1 Method for producing permanent magnets
04/08/1980US4197348 Wrapped elongated structure in which positioning of a one sided adhesive tape is such as to permit wrapping to move relative to a core
04/08/1980US4196863 Tape winding apparatus
04/08/1980CA1075329A1 Terminals for coil bobbin
04/02/1980EP0009181A1 Method for making an electrical contact between a normal conducting body and at least one superconductor
04/01/1980US4195908 Magnetic mirror for imparting non-reciprocal phase shift
03/1980
03/18/1980US4193185 Method of making a high tolerance coil assembly
03/11/1980US4192985 Method for the production of integrated magnetic head structures
03/11/1980US4192352 Insulator for covering electric conductors
03/05/1980EP0008431A2 Process for insulating supraconductors in a magnetic winding
03/05/1980EP0008328A1 Amorphous magnetic films and a method of making such films
03/04/1980US4191365 Horizontal/inclined substrate holder for liquid phase epitaxy
02/1980
02/26/1980US4190683 Method for forming a liquid phase epitaxial film on a wafer
02/26/1980CA1072652A1 Method of and electrical connector for terminating a fine wire
02/20/1980EP0008048A1 A method of manufacturing an electrical article
02/20/1980EP0007994A1 Magnetic core made of a soft magnetic amorphous alloy
02/12/1980CA1071761A1 Method for making multilayer devices using only a single critical masking step
02/12/1980CA1071759A1 Method for making high density magnetic bubble domain system
02/07/1980WO1980000196A1 Method of producing roll-type magnet
02/06/1980EP0007755A1 Method for producing a magnetic recording medium and magnetic recording medium so produced
02/06/1980EP0007405A1 Fault-current protective switch and method of production of a magnet core
02/05/1980US4187553 Pedestal bubble domain chip and processes for making same
01/1980
01/29/1980US4185789 Structure of a multiple wireguide
01/23/1980EP0006959A1 Thin-film coil producing method
01/22/1980US4185262 Magnet device
01/22/1980US4184644 Winding machine
01/22/1980CA1070397A1 Trannsformer assembly and a method of manufacturing the assembly
01/15/1980CA1069971A1 Sec05-permanent magnet joined to at least one iron mass and method of fabricating such a permanent magnet
01/15/1980CA1069805A1 Electrically insulating coatings
01/09/1980EP0006443A1 Magnetic bubble mounting unit
12/1979
12/25/1979US4179796 Method of making a transformer with an improved insulation system
12/25/1979US4179795 Bonding boron nitride slab to dielectric insert, coating with ferrite powder, annealing ferrite and sublimating boron nitride
12/25/1979US4179785 Terminal forming and installing apparatus
12/18/1979US4178677 Superconducting magnet assembly and method of making
12/18/1979CA1068359A1 Current transformer
12/12/1979EP0005836A2 Inductive constructional component and process for manufacturing it
12/11/1979US4178635 Planar and near planar magnetic bubble circuits
12/04/1979US4177297 Tilting, stabilization
11/1979
11/27/1979US4176016 Forming electrically insulating layers by sputter deposition
11/13/1979US4174510 RF transformer
11/06/1979US4173312 Numerically controlled coil winding machine
10/1979
10/30/1979US4172758 Magnetic bubble domain device fabrication technique
10/23/1979US4172245 Adjustable transformer
10/23/1979US4172171 Magnetic recording medium
10/16/1979US4170864 Apparatus for the continuous spiral winding of a tape onto an elongated body
10/16/1979CA1064234A1 Manufacture of coil bobbins
10/09/1979CA1064001A1 Multicoil traverse winder
10/09/1979CA1063774A1 Fe3o4 fabrication process
10/04/1979WO1979000763A1 A winding unit for use in a winding machine for winding elongate members or cores
09/1979
09/25/1979US4168808 Coil winding machine with insulation sheet tensioning mechanism
09/25/1979CA1062854A1 Water based magnetic inks and the manufacture thereof
09/18/1979CA1062657A1 EPITAXIAL PROCESS OF FORMING FERRITE, FE3O4 AND .gamma. FE2O3 THIN FILMS ON SPECIAL MATERIALS
09/11/1979US4167379 Injection mold
09/04/1979US4166990 Core/coil assembly for use in superconducting magnets and method for assembling the same
09/04/1979CA1061761A1 Automatic winding machine for wire-like object
08/1979
08/28/1979US4166265 Coil bobbins and termination of coil windings
08/22/1979EP0003647A1 Bobbin and method of making terminated bobbin coil
08/14/1979US4164619 Porous encapsulating composition for electrical apparatus
08/14/1979CA1060186A1 Method for manufacturing an insulation for high tension devices
08/08/1979EP0003425A1 A method for forming a crystalline film of a paramagnetic sodium thallium type intermetallic compound and apparatus for performing said method
08/07/1979US4163531 Coil winding apparatus
08/07/1979US4163314 Method of manufacturing an electromagnetic relay
07/1979
07/26/1979WO1979000490A1 Process for production of a wound magnetic circuit;wound magnetic circuit resulting from this process;devices for carrying out the process
07/11/1979EP0002712A2 Metal glas film