Patents
Patents for H01F 1 - Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties (23,146)
02/1998
02/26/1998WO1998007890A1 Thick amorphous alloy ribbon having improved ductility and magnetic properties
02/26/1998DE19631563A1 Pure or functionalised electroconductive polymer material
02/26/1998CA2263962A1 Product with magnetic properties, method of its preparation and magnet obtained from this product
02/25/1998EP0825621A1 Use of soft magnetic nickel-iron alloy for coil-cores and stators of stepmotors
02/25/1998EP0824755A1 High strength iron-cobalt-vanadium alloy article
02/25/1998EP0633582B1 Rare earth magnetic powder, method of its manufacture
02/25/1998CN1174104A Co-precipitation reduction diffusion process for preparing neodymium-boron permanent-magnet alloy
02/25/1998CN1037534C Alloy with ultrafine crystal grains excellent in corrosion resistance
02/24/1998US5721654 Magnetometric sensor magnetically isolated two regions formed of spin-polarized material and magnetic head using the same
02/24/1998US5720828 Sintering compacted powder or hot shaping intermetallic material containing at least rare earth element, iron and carbon, gas absorbing nitrogen and/or carbon into material
02/19/1998WO1998006882A1 Heavy duty soft magnetic steel suitable for welding and its use in parts of magnetic levitational railways
02/18/1998CN1173721A Carbide permanent magnet and its prepn. method
02/17/1998US5718833 Fine magnetic particles dispersed in perfluoropolyether base oil by means of salt and amide of perfluoroether carboxylic acid
02/17/1998US5718775 Having specified crystal structure, magnetic properties; transformers, power generators
02/12/1998DE19734225A1 Radially anisotropic sintered rare earth-iron-boron based magnet production
02/12/1998DE19632370A1 Hochleistungsschweißgeeigneter weichmagnetischer Stahl und seine Verwendung für Teile von Magnetschwebebahnen High-performance Weldable soft magnetic steel and its use for parts of magnetic levitation
02/11/1998EP0823713A1 Rare earth bonded magnet and rare earth-iron-boron type magnet alloy
02/11/1998EP0823123A1 Magnetic fluid with high saturation magnetisation
02/11/1998EP0822840A1 Magnetic fluid-assisted electromagnetic drive for a blood pump used to support the heart or for partial or complete replacement of the heart
02/11/1998CN1173026A Modified permanent magnet primitive powder and preparation method thereof
02/11/1998CN1172862A Method for manufacturing iron-base soft magnetic alloy
02/10/1998US5716462 Magnetic material and bonded magnet
02/10/1998US5716461 Functionally gradient permanent magnet actuators
02/10/1998US5716460 Methods for making magnetic strips
02/05/1998WO1998004519A1 Materials with ferromagnetic properties comprising organic molecules with magnetic properties, and methods for making same
02/05/1998DE19732823A1 Magnetic fluid based on fine magnetic particles dispersed in per:fluoro-poly:ether without coagulation
02/05/1998DE19638621C1 Radiological emission filter has two chambers separated by membrane
02/04/1998EP0822095A1 Thermal transfer recording sheet containing polyethylene wax
02/04/1998EP0821842A1 Differential protection device sensitive to pulsating current
02/04/1998EP0821830A1 Current transformer, in particular for a fault current tripping device sensitive to pulsating currents and tripping device equipped with such a transformer
02/04/1998CN1172332A Granular membrane huge magnetic resistance effect sensor material
02/03/1998US5714622 Molecular organic compound with ferromagnetic properties and a method of producing it
02/03/1998US5714536 Metal oxides, elemental metals nanocrystalline particles dispersed in an ion exchange resin and ion exchanger metal oxides matrices; measuring instrument
02/03/1998US5714084 Electrically insulating liquid having fine particles dispersed therein comprising magnetic core covered by electroconductive polymer and coated with surfactant
02/03/1998US5714017 Magnetic steel sheet having excellent magnetic characteristics and blanking performance
02/03/1998US5713577 Sealing arrangement having multiple ring completely covered by elastomeric sealing material
01/1998
01/29/1998WO1998003981A1 Method of manufacturing bonded magnets of rare earth metal, and bonded magnet of rare earth metal
01/28/1998EP0820633A1 Metallic glass alloys for mechanically resonant marker surveillance systems
01/28/1998EP0820534A1 Metallic glass alloys for mechanically resonant marker surveillance systems
01/28/1998CN1171823A Process for producing directional electrical sheet excellent in glass coating and magnetic properties
01/28/1998CN1171313A Process for preparing permanent magnet powder
01/27/1998US5711893 Ni-Cu-Zn ferrite
01/27/1998US5711825 Process for the production of grain oriented magnetic steel sheets having improved remagnetization losses
01/22/1998WO1998002591A1 Process for producing a grain-orientated electrical steel sheet
01/21/1998EP0820070A2 Raw material powder for modified permanent magnets and production method of the same
01/21/1998CN1170941A Soft magnetic alloy rod with high magnetic induction strength, high magnetic conductivity, high resistivity, low coercive force, low residual magnetism and density
01/20/1998US5709811 Magnetic material for microwave and high-frequency circuit component using the same
01/14/1998EP0818702A1 Magnetic fluid display panels
01/14/1998EP0818550A1 Corrosion resistant soft magnetic iron-nickel-chrome alloy
01/14/1998CN1170151A Surface modification of magnetic particle pigments
01/13/1998US5707753 Pulse generating element and a method and an apparatus for manufacturing the same
01/13/1998US5707541 Preparation of ferrite from used dry cells
01/08/1998WO1998000821A1 Annealing magnetic elements for stable magnetic properties
01/08/1998WO1998000820A1 Semi-hard magnetic elements formed by annealing and controlled oxidation of soft magnetic material
01/07/1998EP0817178A1 Coated acicular magnetic iron oxide particles
01/07/1998EP0817177A1 Iron oxide magnetic powder and magnetic recording medium using the same
01/06/1998US5705970 Filler powder
01/06/1998US5705758 Non-magnetic or feebly magnetic diamond sintered compact and a process for the productin of the same
01/06/1998US5705085 Organomolybdenum-containing magnetorheological fluid
01/02/1998DE19624426A1 Magnetic particle for transport of diagnostic or therapeutic agent
12/1997
12/31/1997WO1997050099A1 Metallic glass alloys for mechanically resonant marker surveillance systems
12/31/1997CN1036880C Method for mfg. rare-earth iron-nitride permanent magnet material
12/31/1997CA2259319A1 Metallic glass alloys for mechanically resonant marker surveillance systems
12/30/1997US5702630 Fluid having both magnetic and electrorheological characteristics
12/30/1997US5702541 High magnetic density, low iron loss, grain oriented electromagnetic steel sheet and a method for making
12/30/1997US5702539 Method for producing silicon-chromium grain orieted electrical steel
12/23/1997US5700594 Magnetic medium capable of supporting both longitudinal and perpendicular recording, and method of making same
12/18/1997WO1997048110A1 Magnetorheological fluid
12/18/1997WO1997048109A1 Organomolybdenum-containing magnetorheological fluid
12/18/1997CA2258050A1 Organomolybdenum-containing magnetorheological fluid
12/18/1997CA2257952A1 Magnetorheological fluid
12/17/1997EP0644987A4 Magnetorheological fluid devices.
12/17/1997CN1167990A Dust core, iron powder therefor and method of making same
12/17/1997CN1167989A Rare earth binding magnet and composition for same
12/16/1997US5698271 Methods for the manufacture of magnetically responsive particles
12/16/1997US5698145 Combining calcined mixtures with binder, compacting, removing binder by reacting with gas while preheating, heating in inert gas
12/09/1997US5695864 Electronic device using magnetic components
12/04/1997WO1997045202A1 Superparamagnetic monodispersed particles
12/04/1997CA2227439A1 Superparamagnetic monodispersed particles
12/03/1997EP0810615A2 Soft-magnetic powder composite core having particles with insulating layers
12/03/1997EP0662239B1 Process for manufacturing alnico system permanent magnet
12/03/1997CN1166677A Cast alloy used for production of rare earth magnet and method for producing cast alloy and magnet
12/03/1997CN1166676A RE element adding method to Al-Ni-Co permanent magnetic alloy series
12/02/1997US5693154 Terbium-dysprosium-zinc and terbium-gadolinium-zinc magnetostrictive materials and devices
11/1997
11/26/1997CN1166229A Amorphous magnetic substance and magnetic sensor of using the same
11/26/1997CN1036554C Permanent magnet with good thermal stability
11/25/1997US5691837 Garnet
11/25/1997US5690889 Production method for making rare earth compounds
11/25/1997US5690752 Permanent magnet containing rare earth metal, boron and iron
11/19/1997CN1165579A Composite magnetic material and electromagnetic interference suppressor use said material
11/19/1997CN1165061A Production of crystalline state and amorphous state rare-earth metal alloy threadlet and its device
11/18/1997US5688998 Surface reforming agent, surface reforming method and cone-type calix 4! re
11/18/1997US5688430 Soft ferrite raw material powder, its sintered body, and their production method and apparatus
11/13/1997WO1997042640A1 Method for preparing a rare earth- and transition metal-based magnetically anisotropic material by solidifying a liquid alloy in a guiding field
11/13/1997CA2253894A1 Method for preparing a rare earth- and transition metal-based magnetically anisotropic material by solidifying a liquid alloy in a guiding field
11/12/1997EP0806486A1 Methods for making magnetic strips
11/11/1997US5685921 Method of preparing a magnetic article from a duplex ferromagnetic alloy
11/11/1997US5685920 Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same
11/06/1997DE19714977A1 Device with inverter e.g. for machine tools, lifts, air-conditioning, pumps and printing presses
11/05/1997EP0804796A1 Soft magnetic material