| Patents for H01F 13 - Apparatus or processes for magnetising or demagnetising (2,363) |
|---|
| 10/14/1992 | CN2119028U Thin wide width rubber-plastic magnetic material magnet charger |
| 09/29/1992 | US5151843 Sensitizer for ferromagnetic markers used with electromagnetic article surveillance systems |
| 09/24/1992 | DE4108923A1 Magnetising permanent magnets using multi-pole pulse-magnetising device - superimposing two field pulses which reach their maxima for north and south poles at different times |
| 09/09/1992 | CN2115334U Liquid purifying rotary strong magnetic pot |
| 09/09/1992 | CN2115022U Sucker type magnetizer |
| 09/02/1992 | EP0500870A1 Methof of producing a magnetic target demagnetizer |
| 08/19/1992 | CN2113542U Magnetic energy-saving device |
| 08/12/1992 | CN2112879U Multi-purpose magnetizing strip cover |
| 07/22/1992 | EP0495486A2 Method and apparatus for deactivating magnetic targets |
| 07/22/1992 | CN2110910U Multipurpose magnetizer |
| 07/15/1992 | CN2110272U Fluid magnetic apparatus |
| 07/15/1992 | CN2110271U Forced magnetic basin |
| 07/07/1992 | US5128642 Device for demagnetizing a picture tube |
| 07/01/1992 | CN2108984U Microcomputer controlled apparatus for magnetising or demagnetising |
| 06/30/1992 | US5126720 Method and apparatus for deactivating magnetic targets |
| 06/24/1992 | CN1062233A Method and apparatus for producing magnetic particles |
| 06/16/1992 | CA1303665C Bulk degausser |
| 06/03/1992 | EP0488461A1 Device for demagnetizing a picture tube |
| 05/27/1992 | CN2105746U Electricity driving magnetizer |
| 05/20/1992 | CN2104859U Fluid magnetizer |
| 04/15/1992 | EP0480489A2 Thermomagnetically-patterned magnets and method of making same |
| 04/08/1992 | EP0478751A1 Method of manufacturing high energy rare earth alloy magnets |
| 04/08/1992 | CN2101322U Energy saving demagnetiser |
| 04/08/1992 | CN2101321U Magnetising deivce for beverage |
| 04/01/1992 | EP0478041A1 Method of forming a magnetically-coded pattern in a permanent magnet material |
| 03/19/1992 | WO1992004695A1 Method and apparatus for producing complex magnetization patterns in hard magnetic materials |
| 03/17/1992 | US5097239 Fixture and method for multi-pole magnetization of a magnetizable part |
| 02/25/1992 | US5091021 Directing energy in a pattern to heat a magnet, selectively magnetizing, cooling to generate detectable magnetic flux density |
| 02/18/1992 | US5089060 Controlled heating with energy beam to reduce coercive force, then exposure to reverse magnetic field |
| 01/29/1992 | CN2094793U High coereive force magnet charger for permanent magnetic cup radial magnetization |
| 01/22/1992 | CN2094101U Multi-functional magnetizer |
| 01/08/1992 | CN2092804U Internal cold type demagnetiser with rotating magnetic field |
| 12/25/1991 | CN2091486U Multi-purpose magnetizing unit |
| 12/24/1991 | US5075814 External method and apparatus for magnetizing metal pieces in rotary electric apparatus to a permanent magnetization state |
| 12/18/1991 | CN2091021U Photo-controlled adjustable demagnetizer |
| 11/05/1991 | US5063367 Method and apparatus for producing complex magnetization patterns in hard magnetic materials |
| 10/31/1991 | WO1991016717A1 Method of manufacturing high energy rare earth alloy magnets |
| 10/23/1991 | CN2087377U Plane rotary type permanent magnet demagnetiser |
| 10/17/1991 | DE4105398A1 Multipolar magnetisation of component |
| 10/08/1991 | US5055813 Magnetization/demagnetization device |
| 09/25/1991 | CN2085552U Ring-shaped core foil type winding magnetizer |
| 09/18/1991 | CN2085087U If demagnetization machine |
| 09/11/1991 | CN2084645U Intermittent rotary magnetic field power saving demagnetizing machine |
| 09/04/1991 | CN1013815B Ac exciting bulk demagnetizer |
| 08/06/1991 | US5038078 Degaussing coil attachment arrangement |
| 07/24/1991 | CN2081559U High-capacity magnetizing and demagnetization machine |
| 07/17/1991 | CN1053144A Capacitive magnetizing apparatus |
| 07/16/1991 | US5032947 Method of improving magnetic devices by applying AC or pulsed current |
| 07/16/1991 | US5032792 Electromagnetic coil array having three orthogonally related coil pairs for use as Helmholtz and Degaussing coils |
| 07/11/1991 | WO1991010173A1 Improved bar magnet for construction of a magnetic roller core |
| 06/26/1991 | CN2079794U Frame type high efficient demagnetising apparatus |
| 06/18/1991 | US5025240 Method and apparatus for forming magnetized zones on a magnetizable body |
| 06/12/1991 | CN1052213A Method and apparatus for forming magnetized zones on magnetizable body |
| 06/05/1991 | EP0429988A1 Use of particular magnetic vector potentials for treating materials |
| 05/28/1991 | US5019796 Bar magnet for construction of a magnetic roller core |
| 05/23/1991 | DE4036648A1 Use of magnetic or electrostatic vector potentials - for treating materials |
| 05/22/1991 | WO2007068496A1 Sensor |
| 05/21/1991 | CA2030242A1 Apparatus and method for applying information energy to a substrate |
| 05/08/1991 | DE3936985A1 Magnetic interference field compensation system for ship - uses magnetic field sensor signals to calculate field strength for controlling compensation windings |
| 05/08/1991 | CN2076704U Energy saving demagnetiser |
| 04/25/1991 | DE3934691A1 Magnetising unit for high coercivity permanent magnets - has magnets placed at centre of plate conductor elements |
| 04/16/1991 | CA1283163C Demagnetizing device especially for naval vessels |
| 03/20/1991 | CN2073628U Heat treatment device with multipole magnetic steel's magnetic field |
| 03/13/1991 | CN2073151U Information eraser of magnetic recording carrier |
| 03/06/1991 | EP0415841A1 Method and apparatus for forming magnetized areas on a magnetizable object |
| 02/27/1991 | CN2072266U Voltage regulating type auto-demagnetising apparatus |
| 02/06/1991 | EP0410985A1 Magnetic sealing device and process for producing the same |
| 01/08/1991 | CA1278820C Adjustable degausser |
| 12/05/1990 | CN2067027U Pipe line type adjustable permanent magnetic outside magnetized device |
| 11/28/1990 | CN2066612U Electric capacity type magnetizing apparatus |
| 11/21/1990 | CN2066184U Energy storage magnetizing machine |
| 10/10/1990 | CN2063608U Energy-saving magnetizing device |
| 10/04/1990 | DE3910436A1 Magnetisation device for permanent magnets |
| 09/26/1990 | CN2062851U Saturation magnetization device for permanent magnet pair of electric meter |
| 09/20/1990 | DE4006542A1 Magnetic field correction device for CRT - has correction coil supplied with decaying AC signal and magnetic field dependant DC signal |
| 09/11/1990 | US4956625 Magnetic gripping apparatus having circuit for eliminating residual flux |
| 07/31/1990 | CA1272264A1 Method and apparatus for deactivating targets used in electromagnetic type article surveillance systems |
| 07/25/1990 | EP0379075A1 Magnetic circuit |
| 07/19/1990 | DE3901303A1 Magnetising device for permanent magnets |
| 05/29/1990 | CA1269738A1 Demagnetization apparatus for magnetic markers used with article surveillance systems |
| 05/22/1990 | CA1269455A1 Cathode ray tube degaussing control circuit |
| 04/24/1990 | US4920326 Method of magnetizing high energy rare earth alloy magnets |
| 04/18/1990 | CN2056274U Demagnetiser |
| 04/11/1990 | CN2055979U Demagnetizing device for magnetic grid digital displayer |
| 04/05/1990 | WO1990003653A1 Magnet molding apparatus and method |
| 04/03/1990 | US4914412 Magnetic circuit |
| 03/21/1990 | CN2054933U Automatic demagnetiser |
| 02/28/1990 | EP0356146A2 Magnet assembly |
| 02/13/1990 | US4900374 Demagnetization of iron-neodymium-boron type permanent magnets without loss of coercivity |
| 12/27/1989 | CA1264064A1 Magnetising apparatus for the magnetisation of keys and rotors of magnetic safety lock systems |
| 12/13/1989 | EP0345554A1 Magnetic gripping apparatus having circuit for eliminating residual flux |
| 12/13/1989 | CN1006108B Non-industive demagnetizing machine with rotating permanent magnet |
| 12/12/1989 | US4887184 Demagnetizer |
| 12/07/1989 | DE3819033A1 Demagnetisation device |
| 12/05/1989 | CA1263693A1 Degaussing system arrangements |
| 11/23/1989 | EP0174966B1 Multipolar magnetization device |
| 11/01/1989 | CN1036860A Ac exciting bulk demagnetizer |
| 10/26/1989 | DE3812458A1 Device for magnetic-pulse control of ferromagnetic materials |
| 10/19/1989 | WO1989009901A1 Magnetic sealing device and process for producing the same |
| 10/19/1989 | DE3822198A1 Magnetische dichtungsvorrichtung Magnetic compacting device |