Patents for H01F 13 - Apparatus or processes for magnetising or demagnetising (2,363)
05/2003
05/08/2003US20030085787 Permanent magnet assembly and method of making thereof
05/07/2003CN1416144A Method and device for magnetzing object without need of electromagnetic field so called magnetization effect of
05/02/2003EP0939961B1 Method of manufacturing a cathode ray tube
04/2003
04/29/2003US6556115 Assembly apparatus for magnetizing magnets
04/09/2003EP1299912A1 Hts cryomagnet and magnetization method
04/03/2003US20030062899 HTS cryomagnet and magnetization method
04/02/2003EP1297542A1 Device for orienting the direction of magnetization of magnetic layers
04/01/2003US6542348 Method and system for driving a magnetizing fixture
03/2003
03/13/2003US20030048164 Pulsar ring, magnetizing device and magnetizing method for pulsar ring-use magnetized member, and bearing unit having pulsar ring
03/12/2003EP1291660A2 Magnetic pulser ring, magnetizing device and method, and bearing unit having a magnetic pulser ring
03/06/2003WO2003019587A1 Magnetically hard object and method for adjusting the direction and position of a magnetic vector
03/06/2003US20030043528 Bulk degausser with fixed arrays of magnet poles
03/05/2003CN2538811Y Al-Ni-Co alloy permanent magnetic isothermal heat treatment magnetic field
03/05/2003CN1400613A Magnetic page and its manufacture
03/05/2003CN1400592A Actuator magnet, actuator and magnetizing apparatus
03/04/2003US6527973 Less likely to crack during the growth and lapping of the single crystal film
02/2003
02/25/2003US6525634 Permanent magnet assembly and method of making thereof
02/25/2003US6525633 Hollow cylindrical flux source with notched filler in cavity; toroidal ring with alternating magnetization on azimuthal axis
02/20/2003US20030034869 Magnetic sticking sheet and method of producing same
02/18/2003US6522517 Method and apparatus for controlling the magnetization of current transformers and other magnetic bodies
02/13/2003WO2003012806A1 Method of magnetizing rare-earth magnet and rare-earth magnet
02/11/2003US6518867 Permanent magnet assembly and method of making thereof
02/06/2003US20030026191 Magnet for actuator, actuator, and magnetizing device
02/05/2003EP1282120A2 Magnet for actuator, actuator, and magnetizing device
01/2003
01/29/2003CN2533216Y Electromagnetic lock capable of completing unlocking action certainly
12/2002
12/27/2002WO2002103722A1 Apparatus for combined electrophysical treatment of ferromagnetic materials
12/25/2002CN2528089Y Capacitive high voltage magnetizing apparatus
12/18/2002CN1385941A Method and device for magnetizing and testing rotor of permanent magnetic generator
12/05/2002US20020180573 Permanent magnet assembly and method of making thereof
12/05/2002US20020180425 Magnetizing apparatus and magnetizing method for magnetized pulser ring, and magnetized pulser ring
12/04/2002EP1262780A2 Magnetizing apparatus and magnetizing method for magnetized pulser ring, and magnetized pulser ring
11/2002
11/28/2002US20020175792 Permanent magnet assembly and method of making thereof
11/27/2002CN2522991Y Safety, energy-saving pulse magnetizing device
11/27/2002CN1381405A Nano function material for treating water and its application
11/21/2002US20020171526 Method and apparatus for magnetizing a permanent magnet
11/15/2002WO2001093287A1 A new type of magnetization device
11/15/2002CA2409766A1 A new type of magnetization device
10/2002
10/31/2002US20020158657 Method and device for magnetizing and inspecting a rotor for magneto generators
10/23/2002CN2518194Y Electromagnetic appts. for generating magnetism, eliminating magnetism and demagnetizing magnetism
10/02/2002CN2514468Y Demagnetizer
09/2002
09/04/2002CN1367503A 变压器 Transformer
08/2002
08/29/2002WO2002066784A1 Method for magnetizing wellbore tubulars
08/27/2002US6441710 Superconducting magnet apparatus and method for magnetizing superconductor
08/22/2002US20020112856 Method for magnetizing wellbore tubulars
08/14/2002CN2505962Y Super strong permanent magnet magnetizer
08/07/2002EP0971376B1 Multi-functional system for demagnetising ferro-magnetic objects
08/07/2002CN1362372A Feed and drinking water magnetizing method and device
08/01/2002US20020101684 Method for controlling magnetic recording in magnetic recording medium and control device for magnetic recording
08/01/2002US20020101321 Transformer
07/2002
07/31/2002EP1138016B1 Marking device
07/31/2002EP1099217B1 Electric field for magnetic reversal of a thin film
07/24/2002CN2502378Y Open-circuit magnetic yoke magnetizer
07/03/2002EP1218895A2 Demagnetisation of magnetic components
06/2002
06/13/2002WO2002026468A3 Process and apparatus for magnetizing plastic pipe
06/13/2002US20020070829 Superconducting magnet apparatus and method for magnetizing superconductor
06/06/2002US20020066702 Antibacterial and antibiofilm bonded permanent magnets
06/05/2002CN1352788A Ultrafast magnetization reversal
05/2002
05/28/2002US6396374 Magnetizing method for a permanent-magnet motor
05/23/2002WO2002041334A1 A method of and an apparatus for magnetising a plurality of adjacent portions of magnetisable material
05/22/2002CN1350689A Method and apparatus for providing permanent magnetic signatures in buried cables and pipes
05/22/2002CN1350309A Method and device for obtaining high-energy magnetic field
05/22/2002CN1349933A Physical liquid-processing device
05/22/2002CN1349849A Similar pole parallelly connecting method and mechanism to obtain very high energy magnetic field
05/15/2002CN2491950Y Electromagnetic coreless card demagnetizer of bearing processing grinder
05/10/2002WO2002037512A1 Method and apparatus for controlling the magnetization of current transformers and other magnetic bodies
05/02/2002US20020050902 Magnetizing method for a permanent-magnet motor
05/02/2002EP1200971A1 Method and apparatus for providing permanent magnetic signatures in buried cables and pipes
04/2002
04/24/2002CN1346136A Excitation-demagnetization device with safety protection
04/18/2002US20020043301 Dynamic-magnetic-compaction (DMC), bonded permanent magnets paricles containing inorganic or organic binder having a minimum void ratio and upto about 40% increase in (BH)max over that acheived with traditional mechanical compaction
04/18/2002DE10044800A1 Demagnetization circuit, especially for demagnetization of color TV picture tubes, uses n-power MOS transistors as controlled switches and oscillator device generating pulse signals for controlling switches
04/17/2002EP0938721A4 Method and apparatus for activating magnetomechanical eas markers while preventing formation of demagnetization field
04/11/2002DE10049766A1 Magnetizing magnet systems involves feeding direct current that is regulated continuously or in stages to coil made from high temperature superconductor to magnetize permanent magnets
04/09/2002US6369679 Method and apparatus for providing permanent magnetic signatures in buried cables and pipes to facilitate long-range location, tracking and burial depth determination
04/04/2002WO2002026468A2 Process and apparatus for magnetizing plastic pipe
04/02/2002US6366191 Method and apparatus for providing permanent magnetic signatures in buried cables and pipes to facilitate long-range location, tracking and burial depth determination
03/2002
03/28/2002US20020036367 Method for producing & manufacturing density enhanced, DMC, bonded permanent magnets
03/12/2002US6356176 High energy magnetizer/demagnetizer with magnetically attached fastening element for driving tools
03/07/2002US20020027490 Polarizing device for a permanent magnet rotor
03/06/2002EP1183683A1 Ultrafast magnetization reversal
03/06/2002CN1338807A Polarizing device for permanent magnet rotor
02/2002
02/21/2002US20020020470 Method for manufacturing rare earth magnet and powder compacting apparatus
02/14/2002US20020017894 Mechanically pulsed magnetization kit
02/13/2002EP1179883A2 Polarizing device for a permanent magnet rotor
02/07/2002US20020014612 Magnetic garnet material and magnetooptical device using the same
02/07/2002DE10131155A1 Electromagnetic actuator has cylindrical permanent magnet arranged in central hole of exciting coil which moves in axial direction and polarizes in radial direction
02/06/2002CN2476085Y Magnetizing device for rotor ring magnet
02/06/2002CN1334636A Magnet moving type electromagnetic actuator
01/2002
01/31/2002DE10033869A1 HTS-Kryomagnet und Aufmagnetisierungsverfahren HTS cryomagnet and Aufmagnetisierungsverfahren
01/24/2002US20020008601 Magnet movable electromagnetic actuator
01/17/2002WO2002005359A1 Hts cryomagnet and magnetization method
01/10/2002WO2002003402A1 Device for orienting the direction of magnetization of magnetic layers
01/10/2002DE10131638A1 Rare earth magnet production comprises pressing a rare earth metal alloy powder using a magnetic field to form a blank, demagnetizing, removing the blank, and demagnetizing the magnetic powder adhered to the surface of the blank
01/09/2002CN1330373A Manufacturing method for rear-earth magnet and powder pressing device
01/02/2002CN2469530Y Magnetizer
12/2001
12/06/2001DE10025457A1 Permanent magnet magnetization device uses oscillation circuit operated at different resonance frequencies before and after point at which maximum energy is stored in magnetization coil
12/05/2001CN1325171A Motor multipolar rotor magnetizing method
11/2001
11/28/2001EP1157394A1 System for writing magnetic scales
11/21/2001CN2461124Y Demagnetising device for magnetic stripe card
11/06/2001US6313725 Magnetizing method for producing coupled body comprised of multi-pole bulk superconducting magnets with respective polarities varying
10/2001
10/30/2001US6310532 Multipurpose magnetizer/demagnetizer
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