| Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146) |
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| 03/25/1992 | EP0202336B1 Process for producing a thin plate of a high ferrosilicon alloy |
| 03/24/1992 | US5098649 Rare earth metal-iron group metal target, alloy powder therefor and method of producing same |
| 03/24/1992 | US5098648 Kneading iron and cobalt alloy powder and mixing with organic binders, injection molding, debinding and sintering |
| 03/24/1992 | US5098486 Boron, rare earth metal and transition metal alloy powder |
| 03/18/1992 | EP0229846B1 Process for producing silicon steel sheet having soft magnetic characteristics |
| 03/18/1992 | EP0198084B1 Process for producing thin magnetic steel plate having high permeability |
| 03/18/1992 | CN1059618A Method of manufacturing isotropic permanently magnetic material, isotropic permanently magnetic material and synthetic resin-bound isotropic permanent magnet |
| 03/17/1992 | US5096779 Chromium dioxide material, its preparation and magnetic recording media containing this chromium dioxide material |
| 03/17/1992 | US5096741 Corrosionproof coating material and method for formation of coating therewith |
| 03/17/1992 | US5096513 Very thin soft magnetic alloy strips and magnetic core and electromagnetic apparatus made therefrom |
| 03/17/1992 | US5096512 Magnetic materials and permanent magnets |
| 03/17/1992 | US5096510 Thermal flattening semi-processed electrical steel |
| 03/17/1992 | US5096509 Anisotropic magnetic powder and magnet thereof and method of producing same |
| 03/17/1992 | CA1297264C Isotropic rare earth-iron field magnets for magnetic resonance imaging |
| 03/11/1992 | EP0473782A1 Magnetic core |
| 03/10/1992 | US5094767 Ferrites |
| 03/10/1992 | CA1297070C Extra-low iron loss grain oriented silicon steel sheets |
| 03/04/1992 | EP0473511A1 Electrically-conductive polymer based material comprising magnetic particles and its production process |
| 03/04/1992 | CN1059230A Rare earths-iron-nitrogen permanent magnet material |
| 03/03/1992 | US5093100 Electromagnetic wave shields, toners, brown and black pigments |
| 03/03/1992 | US5093076 Hot pressed magnets in open air presses |
| 02/26/1992 | EP0472145A1 Ferromagnetic metal particles and magnetic recording medium containing them |
| 02/25/1992 | US5091253 Alternating concentric rings; annealing in magnetic field |
| 02/25/1992 | US5091206 Process for producing magnetically responsive polymer particles and application thereof |
| 02/25/1992 | US5091022 Manufacturing process for sintered fe-p alloy product having soft magnetic characteristics |
| 02/25/1992 | US5091021 Directing energy in a pattern to heat a magnet, selectively magnetizing, cooling to generate detectable magnetic flux density |
| 02/25/1992 | US5091020 Hydriding, compacting, sintering |
| 02/25/1992 | CA1296473C Aromatic polyesters, polyesteramides, and compositions thereof |
| 02/20/1992 | WO1992002940A1 Method for producing magnetic microparticles from metallocenes |
| 02/20/1992 | WO1992002861A1 Interdispersed two-phase ferrite composite and electrographic magnetic carrier particles therefrom |
| 02/19/1992 | EP0225392B1 Resin-bonded magnetic composition and process for producing magnetic molding therefrom |
| 02/18/1992 | US5089066 Rare earth-boron-iron alloy with protective coating of metals, carbides, nitrides; slot peening, impregnation with resin |
| 02/18/1992 | US5089065 Melt-quenched thin-film alloy for bonded magnets |
| 02/18/1992 | US5089062 Drilling of steel sheet |
| 02/18/1992 | US5089061 Chemical vapor deposition in an atmosphere containing silicon tetrachloride; diffusion treatment |
| 02/13/1992 | DE4025278A1 Anisotropic samarium-iron-nitrogen magnetic article prodn. - by nitriding hot compacted and shaped precursor powder body |
| 02/13/1992 | DE4025276A1 Making magnetic material for permanent magnet device - obtaining plutonium nitrate crystal structure using samarium-iron material system |
| 02/12/1992 | EP0470476A2 Method for the preparation of anisotropic magnetic material based on the Sm-Fe-N substance system |
| 02/12/1992 | EP0470475A2 Method for the preparation of a body from anisotropic magnetic material based on the Sm-Fe-N substance system |
| 02/11/1992 | US5087302 Process for producing rare earth magnet |
| 02/06/1992 | WO1992002027A1 Magnetic material |
| 02/05/1992 | EP0469385A1 Magnet system |
| 02/05/1992 | CN1058347A Combined magnetic therapy apparatus for prevention and cure of cerebrovascular apoplexy and utilization thereof |
| 02/04/1992 | US5085828 Cold press die lubrication method |
| 02/04/1992 | US5085789 Ferrofluid compositions |
| 02/04/1992 | US5085716 Anisotropic; hot worked, aligned, flat, fine crystal grains; neodymium or praseodymium |
| 02/04/1992 | US5085715 Rapidly-quenching the alloy melt, compacting, plastically deforming and crushing |
| 01/29/1992 | EP0468903A1 Method for obtaining powdered magnetic material of the rare earth-transition metal-boron type for corrosion resistant magnets |
| 01/29/1992 | EP0468887A1 High frequency broadband absorption structures |
| 01/29/1992 | EP0468819A1 Method for manufacturing an oriented silicon steel sheet having improved magnetic flux density |
| 01/29/1992 | EP0468449A1 Bonded rare earth magnet and a process for manufacturing the same |
| 01/29/1992 | EP0468317A2 Method for the preparation of magnetic material based an the Sm-Fe-N substance system |
| 01/29/1992 | EP0277245B1 Process for producing complex oxide to be used for producing ferrite |
| 01/29/1992 | EP0191107B1 Amorphous material which operates magnetically |
| 01/29/1992 | CN1058287A Low loss ferrite material and making method |
| 01/28/1992 | US5084115 Cobalt silicon alloy with a transition metal as a magnetic com position |
| 01/28/1992 | US5084112 Titanium and vanadium carbonitrides formed by continuous proce ssing with casting or blooming, hot rolling, pickling and cold rolling and annealing |
| 01/28/1992 | US5083366 Thin ribbon of magnetic iron alloy; heat resistant layer of silica, silanol oligomer and ceramic particles; heat treatment |
| 01/26/1992 | CA2046478A1 Method for obtaining in separate for a magnetic rare earth type material, transition metals and boron for corrosion resistant magnets |
| 01/22/1992 | EP0466988A2 Permanent magnet having improved corrosion resistance and method for producing the same |
| 01/21/1992 | US5082745 Boron, neodymium, and iron alloy; protective coating |
| 01/21/1992 | US5082581 Aqueous magnetic fluid composition and process for producing thereof |
| 01/21/1992 | CA1294677C Composite magnetic material and its production process |
| 01/15/1992 | EP0466338A1 Spindle-shaped magnetic iron based alloy particles and process for producing the same |
| 01/15/1992 | EP0466246A1 Method of manufacturing an isotropic permanently magnetic material, isotropic permanently magnetic material and synthetic resin-bound isotropic permanent magnet |
| 01/15/1992 | CN2093249U Double magnetic blade gas motor |
| 01/15/1992 | CN1057922A Rare earth permanent magnet having excellent corrosion resistance |
| 01/15/1992 | CN1015295B Rare earth alloy powder and process for producing the same |
| 01/14/1992 | US5080731 Highly oriented permanent magnet and process for producing the same |
| 01/09/1992 | WO1992000595A1 Method for processing powdered magnetic materials and products thereby obtained |
| 01/09/1992 | WO1992000395A1 Iron-nickel alloy |
| 01/08/1992 | EP0464745A2 Process for preparing iron carbide fine particles |
| 01/08/1992 | EP0464275A1 Improvement of magnetic and mechanical properties of amorphous alloys by pulse high current |
| 01/08/1992 | CN1057731A Method for producing composite oxides for use as starting materials for ferrities |
| 01/07/1992 | US5078984 Process for producing microcrystalline barium ferrite platelets |
| 01/07/1992 | US5078811 Method for magnetic domain refining of oriented silicon steel |
| 01/03/1992 | CA2046047A1 Process for preparing iron carbide fine particles |
| 01/02/1992 | EP0463144A1 Magnetically responsive fluorescent polymer particles and application thereof. |
| 01/02/1992 | EP0329704B1 Near-zero magnetostrictive glassy metal alloys for high frequency applications |
| 01/02/1992 | EP0202243B1 Hot working of amorphous alloys |
| 01/02/1992 | DE4027598A1 Rare earth-iron-boron permanent magnet - has main phase free from tin and an additional tin-contg. phase |
| 12/31/1991 | US5076861 Rare earth-iron alloy having columnar macrostructure; casting, hot working |
| 12/31/1991 | US5076836 Improved dispersibility, stability |
| 12/27/1991 | EP0462388A2 Coated particles, hollow particles, and process for manufacturing the same |
| 12/26/1991 | WO1991019821A1 Process for producing nondirectional electrical steel sheet excellent in magnetic properties after stress relieving annealing |
| 12/24/1991 | US5074932 Fine-crystalline iron-based alloy core for an interface transformer |
| 12/17/1991 | US5073359 Process for manufacturing ceramic magnetic material |
| 12/17/1991 | US5073214 Magnetic material for a magnetic head |
| 12/17/1991 | US5073211 Method for manufacturing steel article having high magnetic permeability and low coercive force |
| 12/12/1991 | WO1991019300A1 Improved magnetic materials and process for producing the same |
| 12/12/1991 | WO1991018697A1 Method for producing metal bonded magnets |
| 12/11/1991 | EP0460760A1 Sintered transformer core of MnZn-ferrite and a transformer comprising such a core |
| 12/11/1991 | EP0460714A2 Preparation process for polar and apolar superparamagnetic fluids |
| 12/11/1991 | EP0460528A2 Rare earth permanent magnet, method of heat treatment of same, and magnet body |
| 12/11/1991 | CN2090441U Gas motor with single-magnetic vanes |
| 12/11/1991 | CN1015076B Heavy colour hollow globular shape magnet powder and making method |
| 12/11/1991 | CN1015075B Light colour hollow globular shape magnet powder and making method |
| 12/10/1991 | US5072205 Wound magnetic core |
| 12/10/1991 | US5071724 Slurrying metallic oxides with water soluble salt, heating to oxidize salt to oxide, reducing metallic oxide to metal, surface oxidizing metals, finally complexing the oxides |
| 12/10/1991 | US5071493 Rare earth-iron-boron-based permanent magnet |