| 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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| 02/10/1999 | CN1207826A Coiled component and its production method |
| 02/10/1999 | CN1207778A Method of mfg. bicrystal cluster magnetic recording medium |
| 02/10/1999 | CN1042070C Method and apparatus for making packets of amorphous steel strip for transformer core manufacture |
| 02/10/1999 | CN1042069C Transformer core comprising group of amorphous steel strips wrapped about core window |
| 02/09/1999 | US5869148 Process for the in-line, high speed manufacturing of magnetic products |
| 02/09/1999 | US5868910 Codepositing magnetic material and nonmagnetic metallic material to create homogeneous film comprising magnetic particles in nonmetallic matrix, annealing for time determined by desired particle size |
| 02/09/1999 | US5867891 Continuous method of manufacturing wire wound inductors and wire wound inductors thereby |
| 02/04/1999 | DE19834437A1 Manganese alloy with low oxygen and sulphur impurity content |
| 02/03/1999 | EP0895258A1 Process of mounting a winding on a multi-leg core |
| 02/03/1999 | EP0895207A2 Method and device for winding a transmitter- or receiver coil for an electronic article surveillance system |
| 02/03/1999 | CN2306557Y Square winding pressing device |
| 02/02/1999 | US5867100 Air Coil a security badge and a transponder |
| 02/02/1999 | US5866028 Ferrite magnet, and powder for ferrite magnet and production process thereof |
| 01/27/1999 | CN1206207A Resin mold transformer, and its transfer method |
| 01/27/1999 | CN1206205A Production method and product of fragrant soft magnet |
| 01/21/1999 | WO1999002337A1 High temperature passivation of rare earth magnets |
| 01/20/1999 | EP0892481A1 Coil for an electric timepiece |
| 01/20/1999 | EP0640240B1 Strip conductor for transformers |
| 01/20/1999 | CN1205528A Coil winding device |
| 01/20/1999 | CN1205527A Ignition coil bank-winding method |
| 01/20/1999 | CN1041775C Diode split high voltage transformer for television receiver |
| 01/19/1999 | US5861838 Solderless `fingerprint` RF shield |
| 01/19/1999 | US5861792 Coil component and method of stamping iron core used therefor |
| 01/19/1999 | US5861791 For an internal combustion engine |
| 01/19/1999 | US5861071 Electrically insulated magnet wire and method of making the same |
| 01/19/1999 | US5860632 Encapsulated control assembly and manufacturing process |
| 01/19/1999 | US5860207 Method for high speed spin winding of a coil about a continuous lamination core |
| 01/13/1999 | CN1205124A Bar-type coil for ignition systems |
| 01/13/1999 | CN1205109A Process for production of magnet |
| 01/13/1999 | CN1205108A Method of manufacturing bonded magnets of rare earth metal and boned magnet of rare earth metal kind |
| 01/13/1999 | CN1204881A Winding machine having freely positionable nozzle and method therefor |
| 01/13/1999 | CN1204844A Power transformer and method for manufacturing thereof |
| 01/13/1999 | CN1041663C Method for making ferrite core |
| 01/12/1999 | US5858595 Magnetic particles in a stable colloid dispersion in a compatible vehicle or carrier comprising an aqueous medium |
| 01/12/1999 | US5858180 Magnetic field generator, coating method and apparatus including same, and devices having coating aligned therewith |
| 01/12/1999 | US5858154 Method of making multi-layer coil using electroconductive flexible sheets |
| 01/12/1999 | US5857883 Method of forming perforated metal/ferrite laminated magnet |
| 01/12/1999 | US5857499 Device for manipulating a wound coil |
| 01/07/1999 | WO1999000805A1 Method for impregnating amorphous metal transformer cores |
| 01/07/1999 | WO1999000804A1 Method for producing a magnetic coil for a valve and valve with a magnetic coil |
| 01/07/1999 | WO1999000802A1 Method of producing laminated permanent magnet |
| 01/07/1999 | EP0889491A2 Winding machine having freely positionable nozzle and method therefor |
| 01/07/1999 | EP0889484A2 Process for impregnating electric coils and epoxy resin compositions suitable for the impregnating process |
| 01/07/1999 | EP0888631A1 A method of producing an lc-circuit |
| 01/07/1999 | EP0888630A1 A method of producing an lc-circuit |
| 01/07/1999 | EP0888629A1 Production of hard magnetic material films |
| 01/07/1999 | EP0783466B1 Method of producing shaped bodies from hard ferrite |
| 01/07/1999 | DE19727414A1 Verfahren zur Herstellung einer Magnetspule für ein Ventil und Ventil mit einer Magnetspule A process for producing a magnetic coil for a valve with a solenoid valve and |
| 01/05/1999 | US5855810 Soft ferrite material for use in making inductors, and method for manufacturing inductors using the material |
| 01/05/1999 | US5855661 Metallo, mono and bi-dentate ligand pigment particles with a surface derivatizing agent having one or more phenolic moieties, a 1, 3-diketo moiety or a combination thereof. |
| 01/02/1999 | CA2242053A1 Process for impregnating electrical coils, and selected epoxy resin composition for carrying out the impregnation |
| 12/30/1998 | EP0887856A1 Method of manufacturing electronic components |
| 12/30/1998 | CN1203692A Flexible coil winding structure of flyback transformer and manufacturing process thereof |
| 12/30/1998 | CN1203446A Micromagnetic device for power processing applications and method of manufacture therefor |
| 12/29/1998 | US5853608 Low temperature sintering radio frequency soft ferrite material, and method for manufacturing a wire coiling inductor core using such material |
| 12/29/1998 | US5853558 Method of fabricating a thin film conductor coil assembly |
| 12/29/1998 | US5852866 Process for producing microcoils and microtransformers |
| 12/23/1998 | EP0885445A1 Process for manufacturing tape wound core strips and inductive component with a tape wound core |
| 12/23/1998 | CN1202977A Flexible coil winding structure of flyback transformer and manufacturing process thereof |
| 12/23/1998 | CN1202708A Core assembly for coil units and method for producing the same |
| 12/23/1998 | CN1041360C Method for producing temp-compensation type permanent magnet |
| 12/22/1998 | US5851688 Thin film magnetic alloy having low noise, high coercivity, and high squareness |
| 12/22/1998 | US5851660 Method of fabricating a thin-film magnetic recording medium and thin-film magnetic recording medium |
| 12/22/1998 | US5851644 Films and coatings having anisotropic conductive pathways therein |
| 12/22/1998 | US5851628 Magnetic recording medium and method for manufacturing the same |
| 12/22/1998 | US5851363 Multilayer film materials system |
| 12/22/1998 | US5851341 Method for manufacturing bead filter using an epoxy resin gel |
| 12/22/1998 | US5850682 Method of manufacturing chip-type common mode choke coil |
| 12/17/1998 | WO1998057339A1 Slit transformer |
| 12/17/1998 | DE19813250A1 Ferromagnetic tunnel junction magnetic sensor |
| 12/16/1998 | EP0884783A2 A micromagnetic device for power processing applications and method of manufacture therefor |
| 12/16/1998 | EP0884775A1 Electronic component and manufacturing method therefor |
| 12/16/1998 | CN1202265A Cylindrical coil winding structure of flyback transformer |
| 12/15/1998 | US5849355 Electroless copper plating |
| 12/15/1998 | US5849074 Method for preparing magnetic ink and dry pigment particles used therefor |
| 12/10/1998 | WO1998056019A1 Method for making a transponder coil and transponder produced by said method |
| 12/08/1998 | US5846648 Magnetic alloy having a structured nucleation layer and method for manufacturing same |
| 12/08/1998 | US5845863 Winding apparatus for simultaneous winding of two CRT yokes |
| 12/03/1998 | WO1998054736A1 Production process for ring shaped resin bonded magnet |
| 12/03/1998 | WO1998054733A2 Low profile pin-less planar magnetic devices and method of making same |
| 12/02/1998 | EP0881647A1 Transformer with controlled interwinding coupling and controlled leakage inductances and circuit using such transformer |
| 12/02/1998 | EP0881646A1 Self-fusible insulated wire |
| 12/02/1998 | EP0880816A1 Process for producing an electromagnetic subassembly for a magnetic levitation railway |
| 12/02/1998 | EP0880815A1 Process for the production of laminated cores and electromagnetic units produced therefrom |
| 12/02/1998 | EP0880785A1 Process for impregnating electrically conducting substrates |
| 12/02/1998 | CN1200836A Ballast for discharge lamp and method and apparatus for mfg. same |
| 12/01/1998 | US5843579 Magnetic thermal transfer ribbon with aqueous ferrofluids |
| 11/25/1998 | EP0879471A2 Bulk fabricated electromagnetic micro-relays/micro-switches and method of making same |
| 11/25/1998 | EP0715764B1 Method of forming an ignition coil assembly |
| 11/25/1998 | CN1199914A Metal/ferrite laminate magnet and process thereof |
| 11/25/1998 | CN1199913A Single-unit bobbin for flyback transformer |
| 11/25/1998 | CN1199911A Single body bobbin structure for flyback transformer |
| 11/25/1998 | CN1040849C Apparatus for shear-cutting a stack of amorphous steel strips |
| 11/24/1998 | US5841225 Improved heat dissipation properties |
| 11/24/1998 | US5840420 Magnetoresistance elements exhibiting thermally stable giant magnetoresistance effect |
| 11/24/1998 | US5840375 Method for the preparation of a highly corrosion resistant rare earth based permanent magnet |
| 11/24/1998 | US5840134 Functionally gradient permanent magnet actuators |
| 11/24/1998 | US5839185 Method of fabricating a magnetic flux concentrating core |
| 11/19/1998 | WO1998052052A2 Magnet core |
| 11/17/1998 | US5838220 Toroidal transformer with space saving insulation and method for insulating a winding of a toroidal transformer |