| 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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| 07/18/1989 | US4849120 Magnetically controllable couplings containing ferrafluids |
| 07/18/1989 | US4849035 Rare earth, iron carbon permanent magnet alloys and method for producing the same |
| 07/18/1989 | US4849017 Magnetic refrigerant for magnetic refrigeration |
| 07/12/1989 | CN1033900A Iron-base permanent magnetic material containing mixed rare-earth and its production method |
| 07/12/1989 | CN1033899A Corrosion resisting rare-earth metal magnet |
| 07/11/1989 | US4846987 Low loss oxide magnetic material |
| 07/11/1989 | US4846939 Pickling with acid |
| 07/11/1989 | US4846448 Apparatus for improvement of iron loss of electromagnetic steel sheet or amorphous material |
| 07/05/1989 | EP0323155A1 Method for producing low iron loss grain oriented silicon steel sheets |
| 07/05/1989 | EP0323125A1 Rare earth permanent magnet |
| 07/05/1989 | EP0323002A1 Iron-cobalt type soft magnetic material |
| 07/05/1989 | EP0322420A1 Magnetic recording material. |
| 07/04/1989 | US4844754 Iron-rare earth-boron permanent magnets by hot working |
| 07/04/1989 | US4844753 Method for forming insulating films on electromagnetic steel plates |
| 07/04/1989 | US4844751 Method for manufacturing a permanent magnet material from starting components in powder form |
| 06/28/1989 | CN1033543A Quasi-isostatic pressure method for pressing nd-fe-b magnet |
| 06/27/1989 | US4842759 Acicular process for producing particulate material |
| 06/27/1989 | US4842657 Amorphous alloys containing iron group elements and zirconium and particles made of said alloys |
| 06/27/1989 | US4842656 Anisotropic neodymium-iron-boron powder with high coercivity |
| 06/27/1989 | US4842641 Synthesis of iron-cobalt powders |
| 06/21/1989 | EP0320863A2 Ferromagnetic metallic acicular particles, mainly iron ones, and process for their production |
| 06/21/1989 | EP0320861A2 Oxidation resistant compositions for use with rare earth magnets |
| 06/21/1989 | CN1033496A Wet compression of permanent-magnet alloy and its products |
| 06/21/1989 | CN1033495A Boron-free hard magnetic material comprising magnetic tetragonal phase |
| 06/21/1989 | CN1033494A Hard magnetic material of rare earth metal, iron and carbon |
| 06/20/1989 | US4840684 Isotropic permanent magnets and process for producing same |
| 06/20/1989 | CA1255926A1 Method of preparing a hard magnet by addition of a quench rate range broadening additive and a hard magnet prepared thereby |
| 06/14/1989 | EP0320064A1 Hard magnetic material of a rare earth metal, iron and carbon |
| 06/14/1989 | EP0320063A1 Boron-free hard magnetic comprising a magnetic tetragonal phase |
| 06/13/1989 | US4838347 Thermal conductor assembly |
| 06/07/1989 | EP0318590A1 Process for producing ultrafine magnetic metal powder |
| 06/07/1989 | EP0318520A1 Magnetisable man-made fibres |
| 06/06/1989 | US4837659 Transformer/inductor with integrated capacitor using soft ferrites |
| 06/06/1989 | US4837377 Ferromagnetic metal oxide layers |
| 06/06/1989 | US4837114 Process for producing magnets having improved corrosion resistance |
| 06/06/1989 | US4837109 Mixing calcium or its hydride, neodymium fluoride, iron, boron, and flux; melting to reduce |
| 06/06/1989 | US4837094 Radiation transparency, electrical resistance |
| 06/06/1989 | US4836868 Permanent magnet and method of producing same |
| 06/06/1989 | US4836867 Crystal structure |
| 06/01/1989 | WO1989005032A1 Epoxy bonded rare earth-iron-boron magnets and method of making same |
| 06/01/1989 | WO1989005031A1 SINTERED Fe-Nd-B MAGNET |
| 05/31/1989 | EP0318252A2 Process for the production of a bonded magnet |
| 05/31/1989 | EP0318251A2 Compositions for the production of magnets and magnets produced therefrom |
| 05/31/1989 | EP0318131A1 Method and assembly for producing extruded permanent magnet articles |
| 05/30/1989 | US4835049 Magnetic recording medium |
| 05/30/1989 | US4834898 Surfactants |
| 05/30/1989 | US4834815 Magnetic cores |
| 05/30/1989 | US4834814 Metallic glasses having a combination of high permeability, low coercivity, low AC core loss, low exciting power and high thermal stability |
| 05/30/1989 | US4834812 Method for producing polymer-bonded magnets from rare earth-iron-boron compositions |
| 05/30/1989 | US4834811 Method of manufacturing, concentrating, and separating enhanced magnetic parameter material from other magnetic co-products |
| 05/24/1989 | EP0317319A2 Amorphous oxide magnetic material |
| 05/24/1989 | EP0316811A2 Anti-theft sensor marker |
| 05/24/1989 | CN1033018A Rare earth-iron-boron magnet powder and process of producing same |
| 05/23/1989 | US4833040 Oxidation resistant fine metal powder |
| 05/23/1989 | US4832891 Method of making an epoxy bonded rare earth-iron magnet |
| 05/23/1989 | US4832763 Method of stress-relief annealing a magnetic core containing amorphous material |
| 05/23/1989 | US4832762 Method for producing thin steel sheet of high magnetic permeability |
| 05/23/1989 | CA1254492A1 Process for producing electrical steel sheet |
| 05/19/1989 | USRE32925 Novel amorphous metals and amorphous metal articles |
| 05/18/1989 | WO1989004540A1 Inductor insert compositions and methods |
| 05/18/1989 | WO1989004225A1 A method of preparing a bulk amorphous metal article |
| 05/17/1989 | EP0315948A2 Process for preparation of thin grain oriented electrical steel sheet having excellent iron loss and high flux density |
| 05/16/1989 | US4829770 Magnetic materials for magnetic refrigeration |
| 05/09/1989 | US4829277 Ring comprising segments |
| 05/09/1989 | CA1253720A1 Ordered arrays of ferromagnetic composites |
| 05/03/1989 | CN1004083B Method for producing rare earth-iron-boron permanent magnet |
| 05/02/1989 | US4826671 Preparation of acicular α-Fe2 O3 |
| 05/02/1989 | US4826546 Process for producing permanent magnets and products thereof |
| 04/26/1989 | CN1032555A Improved iron-based amorphous alloys containing cobalt |
| 04/25/1989 | US4824734 Tin-containing iron base powder and process for making |
| 04/25/1989 | US4824587 Dielectric hydrophobic polymer latex |
| 04/20/1989 | WO1989003436A1 Improved iron-based amorphous alloys containing cobalt |
| 04/20/1989 | DE3733180A1 Process for producing iron-neodymium-dysprosium-boron alloys |
| 04/19/1989 | EP0312032A2 Iron carbide fine particles and process for preparing the same |
| 04/19/1989 | EP0311813A2 Pressure-sensitive electric resistor, and manufacturing process |
| 04/18/1989 | US4823177 Method and device for magnetizing thin films by the use of injected spin polarized current |
| 04/18/1989 | US4822409 Method for the manufacture of a thermostable amorphous ferromagnetic powder |
| 04/18/1989 | CA1252799A1 Dispersions of magnetic particles and dispersants therefor |
| 04/18/1989 | CA1252624A1 Article having magnetic properties and production thereof |
| 04/12/1989 | EP0311049A2 Corrosion resistant rare earth metal magnet |
| 04/11/1989 | US4820338 Magnetic alloy; polymeric binder; titanium, silane, or aluminum coupling agent; for transformers |
| 04/11/1989 | CA1252310A1 Sm.sub.2co in17 xx alloys suitable for use as permanent magnets |
| 04/11/1989 | CA1252284A1 Magnetic powder core with organo-metal compound as coupling agent |
| 04/11/1989 | CA1252283A1 Magnetic composite |
| 04/06/1989 | WO1989002804A1 Forged body |
| 04/05/1989 | EP0310416A2 Timepiece |
| 04/05/1989 | EP0310223A1 Magnet composition |
| 04/05/1989 | CN1032262A Optimization of fe-nd-b sintered magnet texture structure |
| 04/05/1989 | CN1032197A Productive method for particulate si-p-fe alloy |
| 04/04/1989 | US4818304 Thermal-magnetic treatment above curie temperature |
| 03/29/1989 | CN1032035A Producing permanent magnet from rare earth chloride |
| 03/22/1989 | EP0308334A1 Composite magnetic material and process for its production |
| 03/21/1989 | US4814139 Permanent magnet having good thermal stability and method for manufacturing same |
| 03/21/1989 | US4814027 Fe-Pt-Nb permanent magnet with an ultra-high coercive force and a large maximum energy product |
| 03/16/1989 | DE3729361A1 Optimierung der gefuegestruktur des fe-nd-b-basis sintermagneten Optimization of gefuegestruktur of Fe-Nd-B base sintered magnet |
| 03/15/1989 | EP0307163A1 Silicon steel sheets having low iron loss and method of producing the same |
| 03/15/1989 | EP0306981A1 Permanent magnet for accelerating corpuscular beam |
| 03/15/1989 | EP0306928A2 Magnet for motor and method of manufacturing same |
| 03/15/1989 | EP0306599A2 Method and apparatus for producing magnetically anisotropic Nd-Fe-B magnet material |
| 03/14/1989 | US4812249 Testing system |