| Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155) |
|---|
| 11/07/1989 | US4878628 Coil winding machine having a tape winder |
| 11/07/1989 | US4878291 Method of manufacturing toroidal coils |
| 11/02/1989 | EP0340083A1 Ignition coil for internal combustion engines of automobile vehicles and process of fabrication |
| 10/31/1989 | US4877480 Lithographic technique using laser for fabrication of electronic components and the like |
| 10/25/1989 | EP0338476A1 Method for improving the fire resistance of a dry-type transformer winding |
| 10/25/1989 | EP0338175A1 Manufacture of armatures for solenoid assemblies in a matrix print head, and armature of the clapper type |
| 10/25/1989 | CN2046676U Primary winding of a.c. high-voltage current transformer |
| 10/24/1989 | US4876305 Curable mixture of epoxy resin, aminosilane or polyaminosilane, and epoxysilane; protective coatings |
| 10/24/1989 | US4875987 Grooved magnetic substrates and method for producing the same |
| 10/19/1989 | DE3811749A1 Method for producing a winding |
| 10/18/1989 | EP0337716A2 Magnetic ribbon and magnetic core |
| 10/18/1989 | EP0337281A1 Winding apparatus |
| 10/17/1989 | US4874637 Method of making thin film magnetic recording medium |
| 10/17/1989 | US4873757 Method of making a multilayer electrical coil |
| 10/11/1989 | EP0336053A2 Method and devices for isolating high-voltage metallic parts |
| 10/11/1989 | EP0335904A1 Multi-phase electronic temperature controller. |
| 10/10/1989 | US4872618 Apparatus for winding coil on toroidal core |
| 10/05/1989 | DE3836139A1 Holder for fastening the wire start when winding annular cores of an annular-core coil (toroidal coil) |
| 10/03/1989 | US4871582 Method of manufacturing magnetic recording medium |
| 10/03/1989 | US4870742 Coil winding machine |
| 09/27/1989 | EP0334564A2 Penning type cathode for sputter coating |
| 09/27/1989 | EP0334478A2 Die-upset manufacture to produce high volume fractions of RE-Fe-B type magnetically-aligned material |
| 09/27/1989 | CN1035909A Windign device and winding process |
| 09/26/1989 | US4869964 Amino containing silane and epoxy resin or epoxy silane |
| 09/26/1989 | US4869869 Method of consolidating FeNdB magnets |
| 09/26/1989 | US4869765 Production process of bobbin for voice coil |
| 09/26/1989 | US4869763 Process and apparatus for the application of a non-adhesive insulating tape to an electric coil winding |
| 09/26/1989 | CA1260754A1 Method for forming patterns and apparatus used for carrying out the same |
| 09/26/1989 | CA1260679A1 Jig for assembling electrical components |
| 09/26/1989 | CA1260091A1 Magnetic cores and methods of making the same |
| 09/20/1989 | EP0333285A1 A method for applying a layer to be magnetised, and an object or surface provided with such a layer |
| 09/20/1989 | EP0332990A2 Particulate magnetic hexaferrite pigments containing potassium from precipitated magnetite, process for their production and their use |
| 09/20/1989 | EP0332614A1 Apparatus for air gapping the armature in a compound spool valve. |
| 09/19/1989 | US4868005 Method and apparatus for photodeposition of films on surfaces |
| 09/19/1989 | US4867943 Iron, particle size for high density |
| 09/19/1989 | US4867785 Method of forming alloy particulates having controlled submicron crystallite size distributions |
| 09/13/1989 | EP0331998A1 Conductor suited for a coil of superconducting material |
| 09/13/1989 | CN1035579A Premagnetizing method of permanent magnet alloy and its products |
| 09/12/1989 | US4866573 Surface mounted coil |
| 09/12/1989 | US4866407 Noise filter and method of making the same |
| 09/12/1989 | US4866366 Negative feedback power supply apparatus |
| 09/12/1989 | US4865915 Resin coated permanent magnet |
| 09/12/1989 | US4865658 Oxygen-containing ferromagnetic amorphous alloy and method of preparing the same |
| 09/07/1989 | DE3836335A1 Insulation barrier system mounting device |
| 09/06/1989 | EP0331286A2 Rapid compaction of rare earth-transition metal alloys in a fluid-filled die |
| 09/06/1989 | EP0331285A2 Explosive compaction of rare earth-transition metal alloys in a fluid medium |
| 09/06/1989 | EP0331055A1 Methods for producing a resinbonded magnet |
| 09/05/1989 | US4864486 Plank and frame transformer |
| 09/05/1989 | US4863805 Rare earth-iron magnet |
| 08/30/1989 | EP0330356A1 A thin film magnetic medium and method of producing same |
| 08/29/1989 | US4862130 Wire cross-over arrangement for angular coil assembly |
| 08/29/1989 | US4860433 Method of manufacturing an inductance element |
| 08/23/1989 | EP0329465A1 Skeining device |
| 08/23/1989 | CN1035019A Concentric bell-mouthed coil |
| 08/22/1989 | US4859410 Die-upset manufacture to produce high volume fractions of RE-Fe-B type magnetically aligned material |
| 08/16/1989 | EP0327675A2 Shielding membrane |
| 08/16/1989 | CN2043000U New construction coil without internal stay |
| 08/15/1989 | US4857877 Transformer having coaxial coils |
| 08/15/1989 | US4857118 Method of manufacturing a permanent magnet |
| 08/15/1989 | US4856721 Winding device |
| 08/15/1989 | US4856181 Method for manufacturing terminal contacts for thin-film magnetic heads |
| 08/10/1989 | WO1989007325A1 Process for making an iron body with a winding for generating electromagnetic fields |
| 08/02/1989 | EP0326214A1 Method and apparatus for manufacturing a magnetic chuck |
| 08/02/1989 | EP0326088A2 Neodymium-boron-iron magnet assembly and method of making same |
| 08/01/1989 | US4853659 Planar pi-network filter assembly having capacitors formed on opposing surfaces of an inductive member |
| 07/26/1989 | EP0325322A1 Coil bobbin for a high-voltage transformer |
| 07/26/1989 | EP0325095A2 Orienting magnetic particles on a substrate |
| 07/25/1989 | US4851060 Polyester dielectric tape |
| 07/25/1989 | US4850542 Winding apparatus utilizing magnetic carrier units |
| 07/19/1989 | EP0324122A1 Starting material for injection molding of metal powder and method of producing sintered parts |
| 07/18/1989 | US4849596 Electrical terminals, terminating methods and assemblies |
| 07/18/1989 | US4848685 Automatic apparatus for shaping windings for coils particularly suitable to dipole or quadrupole magnets |
| 07/18/1989 | US4848684 Wound core having circular and elliptic outer surface portions |
| 07/18/1989 | US4848135 Process for making a coil |
| 07/18/1989 | US4847987 Method of making a core and coil assembly |
| 07/18/1989 | US4847985 Method for making a gradient coil |
| 07/18/1989 | US4847984 Method of assembling a flexible circuit magnetic core winding onto a core member |
| 07/18/1989 | CA1257669A1 Bobbin with strain relief |
| 07/18/1989 | CA1257464A1 Coil winding apparatus |
| 07/13/1989 | DE3843728A1 Superconductive coil arrangement and a method for its production |
| 07/13/1989 | DE3744061A1 Coil winding machine |
| 07/11/1989 | US4846948 Iron, silicon, aluminum alloy on a substrate, sputtering |
| 07/11/1989 | US4846942 Samarium, cobalt alloy from chloride salts |
| 07/11/1989 | US4846922 Method of making deactivatable tags |
| 07/11/1989 | US4846912 Method of insulating a coil |
| 07/11/1989 | US4845837 Method of making permanent magnet assembly |
| 07/06/1989 | DE3744122A1 Reversed transformer |
| 07/05/1989 | CN2040407U High-efficient energy-saving dryer and purger |
| 07/05/1989 | CN1033654A Method of manufacturing sputtering target, sputtering target manufactured thereby and magnetooptic recording medium manufactured by using the same |
| 07/04/1989 | US4844312 Apparatus for controlling traverse position of running strip |
| 07/04/1989 | CA1256957A1 Transformer assembly and winding therefor |
| 07/04/1989 | CA1256956A1 Inductance adjustment for transformers |
| 06/27/1989 | US4842208 Method and apparatus for manufacturing wound core |
| 06/22/1989 | DE3741706A1 Method for producing spiral thin-film flat coils |
| 06/21/1989 | EP0320861A2 Oxidation resistant compositions for use with rare earth magnets |
| 06/20/1989 | US4840700 Current streamline method for coil construction |
| 06/15/1989 | DE3741033A1 High-voltage transformer, and a method for its production |
| 06/14/1989 | EP0320285A1 Improvements in or relating to electrical coils |
| 06/13/1989 | US4839624 Magnetic cores |
| 06/13/1989 | US4839623 Magnetic core blanks of magnetically permeable sheet material |