| Patents for H01F 13 - Apparatus or processes for magnetising or demagnetising (2,363) |
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| 04/16/1980 | EP0009481A1 Key, method of producing same and process and apparatus for use in the method for magnetising the key. |
| 04/15/1980 | CA1075638A1 Process and device for compensating the magnetic fields of adjoining lines of igneous electrolysis tanks put across |
| 04/01/1980 | CA1074915A1 Bias structure to efficiently package a magnetic bubble domain device |
| 03/18/1980 | US4194110 Localized-field static magnetizing device |
| 02/26/1980 | US4190868 Method and apparatus for automatically inscribing magnetic marks on a wireline |
| 02/07/1980 | WO1980000196A1 Method of producing roll-type magnet |
| 01/29/1980 | US4186364 Method of magnetizing erasing head |
| 01/08/1980 | US4183070 Electromagnet for degaussing record-reproduce heads |
| 11/27/1979 | CA1067036A1 Process and apparatus for compensating magnetic fields in adjacent lines of cross wise placed electrolysis of fused salts cells |
| 10/02/1979 | US4169998 Iron core assembly for magnetizing columnar permanent magnets for use in electrostatic developing apparatus |
| 09/18/1979 | US4168481 Core assembly for magnetizing columnar permanent magnet for use in an electrostatic developing apparatus |
| 09/11/1979 | US4167718 Dies set for magnetizing outer surface of magnetic column |
| 09/06/1979 | WO1979000639A1 Key,method of producing same and process and apparatus for use in the method for magnetising the key |
| 08/28/1979 | US4166263 Magnetic core assembly for magnetizing columnar permanent magnet for use in electrostatic developing apparatus |
| 07/03/1979 | US4160283 Magnetizing and demagnetizing tool |
| 06/19/1979 | US4158873 Demagnetizing methods and apparatus |
| 06/05/1979 | US4157581 Hand-operated bulk eraser for magnetic tape cassettes |
| 05/29/1979 | US4156623 Method for increasing the effectiveness of a magnetic field for magnetizing cobalt-rare earth alloy |
| 05/22/1979 | CA1055149A1 Automatic degaussing in television receiver with voltage regulating transformer |
| 04/03/1979 | US4146956 Method for manufacturing a multipolar erasing head |
| 02/27/1979 | US4142221 NAB tape cartridge eraser and splice finder |
| 02/06/1979 | US4138628 Magnetizing method for use with a cathode ray tube |
| 01/23/1979 | US4136373 Bulk tape eraser |
| 11/28/1978 | US4127017 Method of producing magnetic bodies and the use thereof in magnetic locks |
| 10/31/1978 | CA1041659A1 Degaussing circuit |
| 09/12/1978 | US4114124 Convergence apparatus with variably magnetized magnets |
| 08/15/1978 | US4107591 Hall generator position sensing device |
| 08/15/1978 | US4107503 Method for eliminating residual magnetism in pipe-blank for welded steel pipe longitudinally seam-welded from inside |
| 08/15/1978 | CA1036660A1 Magnetic control devices using permanent magnets_ |
| 08/01/1978 | US4104591 Method of adjusting a permanent magnet by using a hypothetical demagnetization curve lower than the actual value |
| 06/06/1978 | US4093906 Permanent magnet pulse generator and method of forming and assembly |
| 05/30/1978 | US4092184 Remagnitization in situ |
| 05/23/1978 | US4091362 Bias structure to efficiently package a magnetic bubble domain device |
| 05/23/1978 | US4090930 Method of and an apparatus for compensating the magnetic fields of adjacent rows of transversely arranged igneous electrolysis cells |
| 04/25/1978 | US4086644 Magnetic tape sensing head demagnetizer |
| 02/14/1978 | US4074197 System for rotating small permanent magnets while adjusting and simultaneously sensing the magnetic moments thereof |
| 02/07/1978 | US4072597 Production of aluminum |
| 01/17/1978 | US4069476 Arrangement for producing a constant magnetic field |
| 11/29/1977 | US4060845 Portable demagnetizer |
| 11/15/1977 | US4058763 Apparatus for automatically magnetizing permanent magnet bodies, measuring their magnetic retentivity and sorting them |
| 11/01/1977 | US4056800 Magnetic field aligning means |
| 11/01/1977 | US4056770 Dynamo electric machine permanent magnet flux test apparatus which simulates actual flux conditions of the motor |
| 09/06/1977 | US4047046 Circuit for setting magnetic remanence in a magnetizable core |
| 08/02/1977 | US4039853 Magnetizing device for permanent magnet motor for electric vehicle |
| 06/14/1977 | US4030002 Degausser |
| 05/31/1977 | US4027300 Bubble memory package |
| 05/31/1977 | US4027295 Magnetic bubble device |
| 05/17/1977 | US4024427 Degaussing circuit |
| 05/03/1977 | US4021763 Apparatus and process for multipolar magnetization of magnetic information storage sheets |
| 03/29/1977 | US4015174 Devices for magnetic control with permanent magnets |
| 02/15/1977 | US4008420 Switchable high-frequency magnetic rotary fields |
| 01/18/1977 | US4004167 Permanent magnet stators |
| 11/02/1976 | US3989777 Method of making permanent magnets |
| 10/12/1976 | US3986075 Automatic degaussing in television receiver with voltage regulating transformer |
| 10/12/1976 | US3985843 Compression molding |
| 10/12/1976 | US3985588 Spinning mold method for making permanent magnets |
| 07/20/1976 | US3971054 Method and apparatus for magnetizing permanent magnet in magnetic structure |
| 07/13/1976 | US3969657 Magnetizing and demagnetizing electrical circuit |
| 07/13/1976 | US3969644 Pulse generator with asymmetrical multi-pole magnet |
| 05/04/1976 | US3955165 Method of magnetising the flyweights of a governor |
| 04/27/1976 | US3953789 Method of polarizing nuclei |
| 03/16/1976 | US3944870 Degaussing circuit for color television receivers |
| 02/10/1976 | US3938011 Tape degausser |