MAGNEQUENCH INTERNATIONAL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 1074
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 148
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 151
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6555018 Bonded magnets made with atomized permanent magnetic powdersFeb 28, 01Apr 29, 03[H01F]
6302939 Rare earth permanent magnet and method for making sameFeb 01, 99Oct 16, 01[B22D]
6261387 Rare-earth iron-boron magnet containing cerium and lanthanumSep 24, 99Jul 17, 01[H01F]
6183572 Isotropic rare earth material of high intrinsic inductionDec 30, 97Feb 06, 01[H01F]
5905424 Bonded magnet made from gas atomized powders of rare earth alloyAug 04, 97May 18, 99[H01F]
5725792 Bonded magnet with low losses and easy saturationApr 10, 96Mar 10, 98[C04B]
5411608 Performance light rare earth, iron, and boron magnetic alloysNov 29, 93May 02, 95[H01F]
5395458 Method to enhance the thermomechanical properties of hot-formed magnets and magnets formed therebyMay 21, 92Mar 07, 95[H01F]
5395459 Method for forming samarium-iron-nitride magnet alloysNov 18, 93Mar 07, 95[H01F]
5395695 Encapsulated oxidation-resistant iron-neodymium-boron permanent magnet particlesAug 19, 93Mar 07, 95[B32B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0119,860 MAGNETIC BODY AND A PROCESS FOR THE MANUFACTURE THEREOFAbandonedJul 16, 10May 17, 12[H01F]
2012/0076,684 MAGNETIC MATERIALAbandonedMar 17, 09Mar 29, 12[C22C]
6277211 Cu additions to Nd-Fe-B alloys to reduce oxygen content in the ingot and rapidly solidified ribbonExpiredSep 30, 99Aug 21, 01[H01F]
6136100 Rare-earth alloy powders for magnets and process for making magnets from rare-earth alloy powdersExpiredSep 29, 99Oct 24, 00[H01F]
6074492 Bonded Nd-Fe-B magnets without volumetric expansion defectsExpiredDec 30, 97Jun 13, 00[H01F]
5514224 High remanence hot pressed magnetsExpiredNov 05, 93May 07, 96[H01F]
5433795 Fabrication of permanent magnets without loss in magnetic propertiesExpiredSep 20, 93Jul 18, 95[H01F]
5352301 Hot pressed magnets formed from anisotropic powdersExpiredNov 20, 92Oct 04, 94[H01F]
5314548 Fine grained anisotropic powder from melt-spun ribbonsExpiredJun 22, 92May 24, 94[H01F]
5272008 Encapsulated oxidation-resistant iron-neodymium-boron permanent magnetExpiredMar 16, 92Dec 21, 93[B32B]
5201359 Rapid solidification apparatusExpiredSep 24, 90Apr 13, 93[B22D]
5174362 High-energy product rare earth-iron magnet alloysExpiredAug 13, 85Dec 29, 92[B22D]
5172751 High energy product rare earth-iron magnet alloysExpiredJul 16, 87Dec 22, 92[B22D]
5085716 Hot worked rare earth-iron-carbon magnetsExpiredDec 05, 90Feb 04, 92[H01F]
5085828 Cold press die lubrication methodExpiredMay 15, 91Feb 04, 92[G22F]
5056585 High energy product rare earth-iron magnet alloysExpiredAug 12, 85Oct 15, 91[B22D]
5026438 Method of making self-aligning anisotropic powder for magnetsExpiredOct 05, 89Jun 25, 91[H01F]
4969961 Sm-Fe-V magnet alloy and method of making sameExpiredMar 03, 89Nov 13, 90[H01F]
4966633 Coercivity in hot worked iron-neodymium boron type permanent magnetsExpiredJun 26, 89Oct 30, 90[H01F]
4966875 Wear-resistant ceramic for casting rare earth alloysExpiredSep 24, 87Oct 30, 90[C04B]

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