| Patents for H01F 3 - Cores, yokes or armatures (3,764) |
|---|
| 01/27/1982 | EP0044592A1 Synthetic resin-bonded electromagnetic component and method of manufacturing same |
| 01/12/1982 | US4310796 Magnet assemblies with plural metallic foil contact members for pipeline inspection vehicles |
| 01/06/1982 | EP0042898A1 Laminated magnetic circuit with air gap, and method of adjusting the air gap |
| 01/05/1982 | CA1115793A1 Magnetic core with magnetic ribbon in gap thereof |
| 12/08/1981 | US4305056 Transformer with gapped core |
| 11/17/1981 | US4301437 Impedance coil core |
| 11/11/1981 | EP0039485A1 Line transformer for a television receiver |
| 11/04/1981 | EP0038957A1 Rolled core |
| 09/17/1981 | WO1981002648A1 Low-loss reactor |
| 09/09/1981 | EP0035037A1 Microcrystalline thin strip for magnetic material having high magnetic permeability |
| 09/08/1981 | US4288492 Silicates or borates dispersed in curable polymeric coating |
| 09/02/1981 | EP0034955A1 Ignition coil for internal-combustion engines |
| 08/20/1981 | WO1981002363A1 A device for indicating an alternating current in a conductor |
| 08/11/1981 | CA1106926A1 Reactor |
| 06/23/1981 | US4274888 Magnetic cores |
| 06/09/1981 | US4272749 Reactor core of insulated iron powder |
| 05/05/1981 | US4265684 Magnetic core comprised of low-retentivity amorphous alloy |
| 04/30/1981 | WO1981001218A1 An inductance coil having a core of magnetic material |
| 04/28/1981 | US4264663 Laminated pack comprising a plurality of closely superposed sheets and method and device for forming the pack |
| 04/15/1981 | EP0026871A1 Core for electromagnetic induction device |
| 04/01/1981 | EP0026104A1 Ferrite core half and devices using such core halves |
| 03/24/1981 | US4258234 Made from an alloy of iron, chromium, and cobalt, and a second alloy of iron and aluminum |
| 03/24/1981 | US4257830 Method of manufacturing a thin ribbon of magnetic material |
| 12/30/1980 | US4242711 Multilayer magnetic head core |
| 12/16/1980 | US4240057 Inductive element construction, particularly fluorescent lamp ballast |
| 11/27/1980 | WO1980002620A1 Microcrystalline thin strip for magnetic material with high magnetic permeability,process for producing same,and thin strip products |
| 11/25/1980 | US4236200 Semiconductor circuit having a series-connected reactor |
| 10/15/1980 | EP0017311A2 Improvements in electric machines |
| 10/07/1980 | US4227166 Reactor |
| 06/25/1980 | EP0012739A1 Choke |
| 06/25/1980 | EP0012629A1 Electrical reactors |
| 06/10/1980 | US4207123 Coatings for reduced losses in (110) [001] oriented silicon iron |
| 05/06/1980 | US4201966 Magnetic core structure |
| 05/06/1980 | US4201837 Thin polymer-coated metal ribbons |
| 04/30/1980 | EP0010092A1 Process for production of a wound magnetic circuit; wound magnetic circuit resulting from this process; devices for carrying out the process |
| 04/29/1980 | US4200854 Core with step-lap joints |
| 04/22/1980 | US4199744 Magnetic core with magnetic ribbon in gap thereof |
| 04/15/1980 | US4198614 Deflection yoke assembly including a beam positioning magnet arrangement |
| 04/15/1980 | CA1075784A1 Reactor core |
| 02/20/1980 | EP0007994A1 Magnetic core made of a soft magnetic amorphous alloy |
| 02/06/1980 | EP0007405A1 Fault-current protective switch and method of production of a magnet core |
| 01/09/1980 | EP0006829A1 Magnetic trip device for fault current protective circuit breaker |
| 12/12/1979 | EP0005836A2 Inductive constructional component and process for manufacturing it |
| 08/28/1979 | US4166262 Solenoid |
| 08/28/1979 | US4165990 For use on transformer cores, of silica, magnesia and iron oxide |
| 07/26/1979 | WO1979000490A1 Process for production of a wound magnetic circuit;wound magnetic circuit resulting from this process;devices for carrying out the process |
| 05/08/1979 | US4153948 Adjustable magnetic bias field structure for magnetic bubble devices |
| 04/10/1979 | CA1052433A1 Cylindrical core with toroidal windings at angularly spaced locations on the core, and method of producing the same |
| 02/20/1979 | US4140987 Core of a core-type transformer |
| 02/13/1979 | US4138783 Method for measuring stresses or forces |
| 01/23/1979 | US4136322 Single-phase three-legged core for core type transformer |
| 01/02/1979 | US4132910 Linearly moving or rotated flat armature for motor and pulling magnets |
| 11/21/1978 | US4126723 Process for assembling toroids from an intermediate product having a combustible interlayer |
| 09/19/1978 | US4114532 Impact printer magnet assembly |
| 08/29/1978 | US4110718 Magnetic structure, particularly permanent magnet for motor fields, and method |
| 07/25/1978 | US4103197 Cylindrical core with toroidal windings at angularly spaced locations on the core |
| 06/20/1978 | US4096461 Magnet system for tunable YIG oscillator and tunable YIG filter |
| 09/20/1977 | US4050043 Electromagnetic system |
| 08/16/1977 | US4042898 Pole piece for use in magnet device and method for manufacturing same |
| 12/14/1976 | US3996700 Process and apparatus for finishing magnetic half-core members of the pot-core type |
| 09/14/1976 | US3980858 Exciter for induction heating apparatus |
| 04/27/1976 | US3953252 Method of manufacturing metal articles having magnetic and non-magnetic areas |
| 03/30/1976 | US3947794 Magnetic core assemblies with adjustable reluctance as a function of temperature |
| 03/30/1976 | US3947788 Solenoid |