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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03/23/1982 | US4320645 Apparatus for fabricating electrical equipment |
03/23/1982 | CA1120219A1 Process for producing electric windings |
03/16/1982 | US4320427 Wear-resistant magnetic heads |
03/16/1982 | US4320373 Power transformer with high coupling coefficient |
03/10/1982 | EP0046934A1 Finishing machine for ferrite pot cores |
03/02/1982 | US4317700 Method of fabrication of planar bubble domain device structures |
02/24/1982 | EP0046310A1 Axial air gap motor |
02/24/1982 | EP0046279A2 Method of manufacturing annular tape cores for protective interrupters of fault currents |
02/24/1982 | EP0046165A2 Method of fabrication of planar bubble domain device structures |
02/23/1982 | US4317006 Load coil |
02/23/1982 | US4316923 Precision dielectric filled ferrite toroid for use in microwave devices |
02/23/1982 | CA1118666A1 Method for forming a liquid phase epitaxial film on a wafer |
02/18/1982 | WO1982000541A1 Modified resonant tag circuit constructions and fabrication processes therefor |
02/17/1982 | EP0046090A1 Process fpr producing a magnetic recording medium |
02/16/1982 | CA1118326A1 Magnetic core comprised of low-retentivity amorphous alloy |
02/09/1982 | US4314894 Method of making a magnetic memory layer |
02/04/1982 | WO1982000286A1 Body positioning and driving apparatus |
02/03/1982 | EP0045055A1 Apparatus for forming an axial parallel adhesive seam in insulating cylinders for large transformers |
02/03/1982 | EP0045035A1 Device for assembling transformer and choke cores |
02/02/1982 | CA1117260A1 Coating solution for electrical steels |
01/27/1982 | EP0044620A1 Winding apparatus |
01/26/1982 | US4312683 Suppression of induced magnetic anisotropy |
01/19/1982 | US4311979 Layered transformer winding |
01/13/1982 | EP0043644A2 Method of making a magnetic recording medium and a ceramic crucible for such a method |
01/13/1982 | EP0043558A1 Method of manufacturing a miniature adjustable inductance and inductance made by this method |
01/05/1982 | US4309519 Process for producing flyback transformer |
12/29/1981 | US4308592 Patterned kill of magnetoresistive layer in bubble domain chip |
12/29/1981 | US4308513 Etched magnetic coil |
12/29/1981 | US4308512 Modular air core coil inductance assembly |
12/29/1981 | US4308003 Device for adjusting the inductance of a coil |
12/23/1981 | EP0042118A1 Method of wrapping a conductor curved in three dimensions |
12/22/1981 | CA1114951A1 Pedestal bubble domain chip and processes for making same |
12/15/1981 | US4305435 Winding and cutting device |
12/01/1981 | CA1113577A1 Switchable magnetic device and method of manufacturing same |
11/25/1981 | EP0040437A2 Method of manufacturing magnetic recording medium |
11/25/1981 | EP0040197A1 A winding machine for winding elongate members or cores and an exchangeable cassette for the wire magazine for such a machine. |
11/24/1981 | US4301975 Device for supplying a pair of wires to a rotating wire guide in a coil winding machine |
11/18/1981 | EP0039901A1 Electric shunt reactor and automatic machine for cutting laminations |
11/11/1981 | EP0039463A1 Magnetic garnet film and manufacturing method therefor |
11/10/1981 | US4299680 Method of fabricating magnetic bubble memory device having planar overlay pattern of magnetically soft material |
11/10/1981 | US4299678 Magnetic target plate for use in magnetron sputtering of magnetic films |
11/04/1981 | EP0038957A1 Rolled core |
11/04/1981 | EP0038883A1 Covered coil, process for manufacturing the same, and device for manufacturing the same |
11/03/1981 | US4298436 Multilayer embedded conductor structure |
10/27/1981 | US4297388 Process of making permanent magnets |
10/27/1981 | US4297190 By using a thermoconductive pipe |
10/27/1981 | US4296545 Casing hook used to impregnate choke or transformer |
10/21/1981 | EP0037816A1 A wire magazine for winding wire for use in a winding machine for the winding of elongate, preferably endless annular members or cores. |
10/20/1981 | US4295988 Magneto-optic Bi1 Lu2 Fe5 O12 crystals |
10/14/1981 | EP0037531A2 Method of manufacturing an electrical winding |
10/06/1981 | US4293371 Method of making magnetic film-substrate composites |
09/29/1981 | US4291840 Device for the winding of coils |
09/29/1981 | CA1109778A1 Method for the continuous spiral winding of a tape onto an elongated body and apparatus for performing same |
09/23/1981 | EP0036245A1 Method of winding coils |
09/22/1981 | US4291292 Electric coil lead attachment means and method |
09/22/1981 | US4291091 Bubble memory optimization by adjusting properties of quartz film |
09/22/1981 | US4290843 Epitaxial growth of magnetic memory film on implanted substrate |
09/22/1981 | US4290827 Annealing, tempering in magnetic cross-field |
09/16/1981 | EP0035894A1 Process for producing a magnetic recording medium |
09/16/1981 | EP0035870A1 Method of producing a magnetic recording medium |
09/09/1981 | EP0035210A1 Device for insulating and mechanically mounting components in oil filled electrical appliances |
09/08/1981 | US4288041 Shuttleless toroidal core winder |
09/08/1981 | CA1108757A1 Method of manufacturing a magnetic device |
09/01/1981 | US4287573 Method and means for coupling an elongated magnetic device |
09/01/1981 | US4287225 By vapor deposition of a layer of an alloy of samarium and cobalt |
09/01/1981 | CA1108253A1 Adjustable transformer |
08/26/1981 | EP0034552A1 Method and device for multipole magnetization of a sheet material |
08/18/1981 | US4283840 Method for manufacturing a support construction for the winding in an electrical machine |
08/18/1981 | CA1107425A1 Porous encapsulating composition for electrical apparatus |
08/18/1981 | CA1107358A1 Encapsulated current transformer |
08/18/1981 | CA1107057A1 Water based selectable charge magnetic inks |
08/12/1981 | EP0033699A2 Method and device for assembling a magnetic circuit by using an adhesive |
08/12/1981 | EP0033602A1 A flywinder |
08/11/1981 | US4283247 Liquid phase epitaxial process for magnetic garnet |
08/05/1981 | EP0033295A2 Insulating tape for the manufacture of an insulating jacket for electric conductors impregnated with a thermosetting curing mixture of epoxy resin and acid anhydride |
08/05/1981 | EP0033196A1 Winding apparatus |
08/05/1981 | EP0033142A1 Process for the electrical connection and insulation of an electrical element |
07/29/1981 | EP0032571A1 Process for connecting electrical taps to an electrical element |
07/28/1981 | US4280270 Accelerated ageing |
07/28/1981 | CA1106076A1 Inductive circuits fabrication process |
07/28/1981 | CA1105743A1 Alloy for magnetoresistive element and method of manufacturing the same |
07/23/1981 | WO1981002000A1 Shuttle drive assembly |
07/21/1981 | US4280195 Planar and near planar magnetic bubble circuits |
07/21/1981 | US4279707 Electroplating of nickel-iron alloys for uniformity of nickel/iron ratio using a low density plating current |
07/21/1981 | US4279102 Method of manufacturing narrow track ferrite head cores |
07/08/1981 | EP0031576A1 Method of casting-in an electrical appliance |
07/07/1981 | US4277534 Powdered transformer wire coating |
07/07/1981 | US4277530 Instantaneous bonding of two sheets without creating stresses |
06/30/1981 | US4276102 Heat shrinkage of polymeric wrapping |
06/24/1981 | EP0030901A1 Machine for making flat or conical disk-shaped windings for electric motors |
06/24/1981 | EP0030634A1 Nickel-X/gold/nickel-X conductors for solid state devices |
06/23/1981 | US4274935 Magnetic memory layer |
06/23/1981 | US4274603 Machine for winding wire coils |
06/23/1981 | US4274476 Method and apparatus for removing heat from a workpiece during processing in a vacuum chamber |
06/16/1981 | US4273610 Method for controlling the resonance frequency of yttrium iron garnet films |
06/16/1981 | US4273609 Rinse melt for LPE crystals |
06/09/1981 | US4272348 Acrylonitrile copolymer crosslinked on surface |
06/09/1981 | US4272347 Vacuum deposition |
06/09/1981 | US4272310 Method of making a bonded structure of magnet wire |
06/09/1981 | US4272033 Device for forming taps when winding electrical coils |