| 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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| 09/19/1978 | US4115158 Iron and phosphorus |
| 09/12/1978 | US4113530 Method for forming a heat-resistant insulating film on a grain oriented silicon steel sheet |
| 09/12/1978 | US4113529 Method of producing silicon-iron sheet material with copper as a partial substitute for sulfur, and product |
| 09/12/1978 | US4113528 Oxidizing agent added to slurry of metal or alloy particles formed by reducing metal ions under magnetic field |
| 09/12/1978 | US4113521 Process for producing magnetic particles by vacuum evaporation of iron with collection on a magnetized surface |
| 09/12/1978 | US4112894 Apparatus for recirculating exhaust gases |
| 08/29/1978 | US4110718 Magnetic structure, particularly permanent magnet for motor fields, and method |
| 08/29/1978 | US4110236 Nondestructive magnetic recording medium |
| 08/29/1978 | CA1037294A1 Cobalt-rare earth metal permanent magnetic material |
| 08/29/1978 | CA1037293A1 Hard magnetic material |
| 08/22/1978 | CA1036842A1 Copper-hardened permanent-magnet alloy |
| 08/22/1978 | CA1036806A1 Method of producing anisotropic ferrite magnet |
| 08/15/1978 | US4107063 Magnetite coated with organic sulfate, sulfonate, or aminocarboxylate attached to a nonionic surfactant |
| 08/15/1978 | US4106893 For magnetic-ceramic articles |
| 08/15/1978 | CA1036659A1 Molded magnetic cores utilizing cut steel particles |
| 08/08/1978 | US4104787 High temperature compaction |
| 07/25/1978 | US4103195 Bonded laminations forming a stator core |
| 07/25/1978 | US4102713 Silicon steel and processing therefore |
| 07/18/1978 | US4101646 Ferrite vascular contrast media |
| 07/18/1978 | US4101435 Magnetic iron oxide-dextran complex and process for its production |
| 07/18/1978 | US4101348 Aluminum, silicon, iron |
| 07/18/1978 | US4101311 Reducing agents |
| 07/11/1978 | US4099995 Copper-hardened permanent-magnet alloy |
| 07/04/1978 | US4098605 Ferromagnetic palladium alloys |
| 06/27/1978 | US4097392 Coprecipitation methods and manufacture of soft ferrite materials and cores |
| 06/27/1978 | US4097343 Coated silicon-iron product and process therefor |
| 06/20/1978 | US4096316 Reduction of iron, cobalt, and nickel compounds |
| 06/20/1978 | US4096001 Boron-containing electrical steel having a calcium borate coating and magnesia overcoating, and process therefor |
| 06/20/1978 | US4096000 Magnesium oxide and boron oxide |
| 06/13/1978 | US4094804 Method for preparing a water base magnetic fluid and product |
| 06/06/1978 | US4093477 Chromium, cobalt, silicon, iron |
| 06/06/1978 | US4093453 Method of making an ordered alloy |
| 05/30/1978 | US4092459 Powder products |
| 05/30/1978 | US4092439 Process for obtaining chromium dioxide CrO2 |
| 05/27/1978 | US4097313 Method of recovery of ferromagnetic metal or alloy particles by using a magnetic drum |
| 05/23/1978 | US4091158 Magnetic recording members |
| 05/23/1978 | US4090892 Permanent magnetic material which contains rare earth metals, especially neodymium, and cobalt process for its production and its use |
| 05/16/1978 | US4089711 Antiferromagnetic chromium base invar-type alloys and a method of producing the same |
| 05/09/1978 | US4088513 Method for heating a silicon-containing steel slab in a walking-beam type heating furnace |
| 05/02/1978 | US4087291 Cerium misch-metal/cobalt magnets |
| 04/18/1978 | US4084973 Glass articles with hematite and/or magnetite and/or metallic iron surfaces |
| 04/04/1978 | US4082582 As - cast permanent magnet sm-co-cu material, with iron, produced by annealing and rapid quenching |
| 04/04/1978 | US4082579 Rectangular hysteresis magnetic alloy |
| 04/04/1978 | US4082138 Rare earth alloys |
| 03/28/1978 | US4081298 Heat treatment of iron-nickel-phosphorus-boron glassy metal alloys |
| 03/28/1978 | US4081297 Mixing a rare earth, cobalt, iron, and transitign metal alloy with a samarium-rich sinter additive |
| 03/14/1978 | US4079430 Magnetic head |
| 03/14/1978 | US4078952 Controlling the manganese to sulfur ratio during the processing for high permeability silicon steel |
| 02/28/1978 | US4076861 Magnetic recording substance |
| 02/28/1978 | US4076561 Method of making a laminated rare earth metal-cobalt permanent magnet body |
| 02/21/1978 | US4075042 Sintering, intermetallic |
| 02/14/1978 | US4073977 Stabilization of pyrophoric metal powders with alkylene oxide polymers |
| 02/14/1978 | US4073668 Method of producing silicon steel strip |
| 01/31/1978 | US4071610 Manufacture of gamma-iron(III) oxide |
| 01/24/1978 | US4070505 Method of imparting paramagnetic susceptibility to cotton fibers |
| 01/17/1978 | US4069367 Magnetic powder material comprising iron oxide particles with a copper-cobalt alloy coating |
| 01/17/1978 | US4069164 Process for producing ferromagnetic powder |
| 01/17/1978 | US4069073 High density recording, treatment with phosphate ion |
| 01/17/1978 | US4069043 Blending, sintering, shaping, working powders of metal and a refractory oxide |
| 01/10/1978 | US4067732 Amorphous alloys which include iron group elements and boron |
| 01/03/1978 | US4066565 Process for producing cobalt- and iron-containing ferromagnetic powder |
| 01/03/1978 | US4066564 Process for producing cobalt- and iron-containing ferromagnetic powder by heat-treatment in the presence of an oxidizing agent |
| 01/03/1978 | US4066479 Process for producing non-directional electric steel sheets free from ridging |
| 12/27/1977 | US4065544 Finely divided metal oxides and sintered objects therefrom |
| 12/27/1977 | US4065330 Iron, silicon, aluminum and at least one from yttrium or lanthanum series |
| 12/20/1977 | US4063971 Method of increasing the coercive force of pulverized rare earth-cobalt alloys |
| 12/20/1977 | US4063970 Method of making permanent magnets |
| 12/13/1977 | US4063000 Process for production of ferromagnetic powder |
| 12/06/1977 | US4061824 Cobalt |
| 12/06/1977 | US4061727 Multistage from an iron salt and alkali metal hydroxide |
| 12/06/1977 | US4061726 Manufacture of acicular γ-iron(III) oxide |
| 12/06/1977 | US4061725 Manufacture of gamma-iron(III) oxide |
| 12/06/1977 | US4061509 High permeability, long wearing magnetic head alloy |
| 11/29/1977 | US4060448 Yttrium iron garnet disks on gadolinium gallium substrates for microwave applications |
| 11/22/1977 | US4059716 Treating with an amine salt or quaternary ammonium compound |
| 11/22/1977 | US4059463 Process for producing ferromagnetic powder |
| 11/08/1977 | US4057606 Method of producing anisotropic ferrite magnet |
| 11/08/1977 | US4057458 Method of making nickel zinc ferrite by liquid-phase epitaxial growth |
| 11/01/1977 | US4056411 Cobalt-iron, heat treatment |
| 11/01/1977 | US4056410 Process for preparing acicular iron powders containing titanium and tin, and the resulting powders when so prepared |
| 10/25/1977 | US4055732 Inboard type magnetic system for electro-dynamic transducer |
| 10/18/1977 | USRE29451 Light colored magnetic rubber |
| 10/18/1977 | US4054530 Iron-nickel-cobalt magnetic powder and tape prepared therefrom |
| 10/18/1977 | US4054471 Processing for cube-on-edge oriented silicon steel |
| 10/18/1977 | US4054470 Boron and copper bearing silicon steel and processing therefore |
| 10/11/1977 | US4053333 Enhancing magnetic properties of amorphous alloys by annealing under stress |
| 10/11/1977 | US4053332 Enhancing magnetic properties of amorphous alloys by rolling |
| 10/11/1977 | US4053331 Method of making amorphous metallic alloys having enhanced magnetic properties by using tensile stress |
| 10/04/1977 | US4051706 Method of making anisotropic permanent magnets of mn-al-c alloys |
| 09/27/1977 | US4050962 Treating with alkaline earth metal salt of carboxylic mono-di-, or tribasic acid |
| 09/20/1977 | US4049566 Dispersing magnetic particles in epoxy resin and acetic, formic, or propionic acid, then adding a polyvinyl acetal resin |
| 09/13/1977 | US4047983 Process for producing soft magnetic material |
| 09/13/1977 | US4047982 Rare earth-cobalt |
| 09/06/1977 | US4046602 Process for producing nonoriented silicon sheet steel having excellent magnetic properties in the rolling direction |
| 08/30/1977 | US4045544 Process for the preparation of ferromagnetic chromium dioxide |
| 08/23/1977 | US4043846 Method of producing ferromagnetic metal powder by gaseous reduction of silicon compound-coated raw material |
| 08/23/1977 | US4043845 Powders, protective carbon layer |
| 08/16/1977 | US4042519 Ferrimagnetic glass-ceramics |
| 08/16/1977 | US4042518 Stoichiometric ferrite carriers |
| 08/16/1977 | US4042516 Bonded magnets containing single crystalline ferrite particles |