Magnetic Metals Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B21J FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES 119
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 136
 
  
 
B30B PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR 121
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8276426 Laminated magnetic coresMar 20, 08Oct 02, 12[B21D]
7684162 Leakage current protection deviceMar 20, 08Mar 23, 10[H02H]
7077919 Magnetic core insulationJun 05, 03Jul 18, 06[H01F]
6311597 Self-guiding punch and die setMay 24, 99Nov 06, 01[B26D, B21J, B30B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0157,490 LEAKAGE CURRENT PROTECTION DEVICEAbandonedMar 04, 10Jun 24, 10[H02H]
7132018 Magnetic core insulationExpiredApr 28, 03Nov 07, 06[H01F]
5044237 Method for stamping stepper motor laminationsExpiredFeb 05, 90Sep 03, 91[H02K]
4366520 Differential transformer core for pulse currentsExpiredMar 25, 81Dec 28, 82[H02H]

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