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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08/16/1977 | US4042429 Magnetic alloys having wasp-waisted magnetic hysteresis loop |
08/16/1977 | US4042382 Temperature-stable non-magnetic alloy |
07/26/1977 | US4038073 Cobalt, iron, boron, carbon |
07/19/1977 | US4036638 Soft magnetic properties |
07/05/1977 | US4033891 Magnetic particle powder of acicular ferric oxide used for magnetic recording material and a process for producing the same |
06/28/1977 | US4032675 Method for producing coated electrical steel sheets having excellent punchability, weldability, electrical insulation and heat resistance |
06/28/1977 | US4032366 Grain-oriented silicon steel and processing therefor |
06/21/1977 | US4030950 Process for cube-on-edge oriented boron-bearing silicon steel including normalizing |
06/21/1977 | US4030913 Nitro compounds |
06/21/1977 | US4030892 Flexible electromagnetic shield comprising interlaced glassy alloy filaments |
06/14/1977 | US4028905 PrNi5 as a cryogenic refrigerant |
06/07/1977 | US4028144 Cobalt-nickel-chromium-copper or titanium-iron |
05/31/1977 | US4026981 Method of manufacturing a photomagnetic material having garnet structure |
05/31/1977 | US4026713 Water based magnetic inks and the manufacture thereof |
05/24/1977 | US4025611 Ferrous hydroxide suspension |
05/24/1977 | US4025448 Superparamagnetic wax compositions useful in magnetic levitation separations |
05/24/1977 | US4025379 Method of making laminated magnetic material |
05/17/1977 | US4023991 Anisotropic permanent magnet of Mn-Al-C alloy |
05/17/1977 | US4023990 Dynamo or electro band |
05/17/1977 | US4023965 Magnetism |
05/10/1977 | US4022701 High-performance anisotropic plastics magnet and a process for producing the same |
05/03/1977 | US4021273 Hysteresis alloy |
04/26/1977 | US4020475 Magnetic device operating with the photomagnetic effect |
04/26/1977 | US4019995 Lignosulfonate composition and process for its preparation |
04/26/1977 | US4019994 Process for the preparation of aqueous magnetic material suspensions |
04/19/1977 | US4018882 Reducing a-iron oxide to magnetite then oxidizing |
04/19/1977 | US4018691 Aryl sulfonate-aldehyde composition and process for its preparation |
04/12/1977 | US4017694 Method for making loudspeaker with magnetic fluid enveloping the voice coil |
04/12/1977 | US4017303 Manufacture of acicular ferromagnetic metal pigments containing iron |
03/29/1977 | US4015030 Heat treatment |
03/29/1977 | US4014717 Method for the production of high-permeability magnetic steel |
03/29/1977 | US4014710 Iron oxide, magnetic tapes |
03/01/1977 | US4010050 Processing for aluminum nitride inhibited oriented silicon steel |
02/15/1977 | US4008105 Zirconium-chromium-cobalt-iron alloy |
02/08/1977 | US4007073 Method of producing articles having alternating magnetic and non-magnetic portions from continuous metal blanks |
02/08/1977 | US4007072 Ferromagnetic metal powder comprising lead and method for making the same |
02/08/1977 | US4007066 Material having a high magnetic permeability |
02/08/1977 | US4007065 Hysteresis alloy |
01/18/1977 | US4003840 Ferrite powder and a polymer |
01/18/1977 | US4003769 Method of making non-retentive Al-Ni-Co-Fe alloy |
01/18/1977 | US4003768 Method for treating magnetic alloy to increase the magnetic permeability |
01/18/1977 | US4003767 Procedure for the production of permanent magnetic sinter bodies using a ternary cobalt-lanthanoid compound |
01/11/1977 | US4002508 Composition for permanent magnets of the family "rare earths-transition metals" and process for producing such a magnet |
01/11/1977 | US4002507 Niobium-free semi-hard magnetic glass sealable alloy system of cobalt- (nickel, aluminum, titanium)- iron |
01/11/1977 | US4002506 Semi-hard magnetic glass sealable alloy system of cobalt-nickel-titanium-iron |
01/04/1977 | US4001363 Method of manufacturing a ceramic ferromagnetic object |
01/04/1977 | US4001288 Precipitating ferric and ferrous ions in alkaline solution, complexing with hydroxy-carboxylic acid, solubilizing |
12/28/1976 | US4000015 Processing for cube-on-edge oriented silicon steel using hydrogen of controlled dew point |
12/21/1976 | US3999216 Material for magnetic transducer heads |
12/21/1976 | US3998669 Permanent magnet on the basis of cobalt-rare earth alloys and method for its production |
12/14/1976 | US3997371 Permanent magnet |
12/07/1976 | US3996073 Insulative coating for electrical steels |
11/30/1976 | US3994716 Process for the production of finely divided cobalt powders |
11/09/1976 | US3990923 Method of producing grain oriented electromagnetic steel sheet |
11/02/1976 | US3989557 Cobalt, niobium, iron alloy, annealing, cold working, stress relieving, cooling, aging |
11/02/1976 | US3989555 Nickel-iron material having high magnetic permeability |
11/02/1976 | US3989352 Bismuth substituted rare earth garnets as magneto-optic materials exhibiting magnetic circular dichroism |
10/26/1976 | US3988177 Decarburization and recrystallizing annealing |
10/19/1976 | US3986902 Silicon steel suitable for production of oriented silicon steel using low slab reheat temperature |
10/19/1976 | US3986901 Controlled catalyst for manufacturing magnetic alloy particles having selective coercivity |
10/12/1976 | US3986194 Magnetic semiconductor device |
10/12/1976 | US3985596 Process for producing crystal-oriented permanent magnets |
10/12/1976 | US3985588 Spinning mold method for making permanent magnets |
10/12/1976 | US3985583 Method for forming an insulating coating on an oriented silicon steel sheet |
10/05/1976 | US3983916 Process for producing semi-hard co-nb-fl magnetic materials |
09/28/1976 | US3982973 Cube textured nickel |
09/28/1976 | US3982972 Chromium-cobalt-silicon-iron |
09/28/1976 | US3982971 Rare earth-containing permanent magnets |
09/21/1976 | US3981844 Magnetic particles |
09/07/1976 | US3979310 Thermal decomposition of chromium chromate, antimony |
09/07/1976 | US3979233 Magnetic Ni-Cr-Mn-Ge-Fe alloy |
08/31/1976 | US3978398 Method for nondestructive magnetic inspection of an object employing a putty-like magnetic recording medium |
08/31/1976 | US3977984 Barium ferrite, iron oxide, magnetism, phenolic resins, polyethylenimine-epichlorohydrin |
08/31/1976 | US3977919 Method of producing doubly oriented cobalt iron alloys |
08/31/1976 | US3977917 Permanent magnet materials |
08/31/1976 | US3977838 Anti-wear ferrous sintered alloy |
08/24/1976 | US3976519 Manganese-aluminum-carbon |
08/24/1976 | US3976518 Process for producing grain-oriented electric steel sheets having remarkably improved magnetic flux density |
08/17/1976 | US3975217 Finely divided magnetic cobalt powder |
08/10/1976 | US3974079 Ferromagnetism, oxidation |
08/10/1976 | US3974001 Paramagnetic alloy |
08/03/1976 | US3972745 Nickel-iron-aluminum-niobium or silicon or chromium alloy |
07/27/1976 | US3971678 Method of making cold-rolled sheet for electrical purposes |
07/27/1976 | US3971676 Magnetic material of high strength and toughness |
07/20/1976 | US3970485 Binder and lubricant removal from cobalt-rare earth alloys |
07/20/1976 | US3970484 Sintering methods for cobalt-rare earth alloys |
07/13/1976 | US3969162 Method of producing silicon steel strip |
07/06/1976 | US3967986 Method of preparing ferromagnetic material |
07/06/1976 | US3967368 Method for manufacturing and using an internally biased magnetoresistive magnetic transducer |
06/29/1976 | US3966510 Ferromagnetic powder for magnetic recording medium and method for preparation thereof |
06/22/1976 | US3965046 Process of making metal powders and products produced thereby |
06/22/1976 | US3964939 Bodies including passivated metal particles |
06/15/1976 | US3963829 Gadolinium, lanthanum or yttrium |
06/08/1976 | US3961990 Cobalt-nickel alloy, oxidizing with nitrogen dioxide |
06/08/1976 | US3961946 Magnetic alloy for use in thermo and magneto printing |
06/01/1976 | US3960617 Method of producing metal parts having magnetic and non-magnetic portions |
06/01/1976 | US3960616 Rare earth metal treated cold rolled, non-oriented silicon steel and method of making it |
05/25/1976 | US3959034 Method of providing an object of silicon steel with a heat-resistant, electrically insulating coating |
05/25/1976 | US3959033 Process for manufacturing silicon-aluminum steel sheet with oriented grains for magnetic applications, and products thus obtained |
05/25/1976 | US3959032 Cobalt-nickel |