SHENYANG GENERAL MAGNETIC CO., LTD

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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
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 646
 
  
 
C22C ALLOYS 666
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 342
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0103,837 NdFeB magnet containing cerium and manufacturing method thereofDec 23, 16Apr 13, 17[B22F, H01F, C21D, C22C]
2015/0248,954 High-performance NdFeB rare earth permanent magnet with composite main phase and manufacturing method thereofMay 11, 15Sep 03, 15[H01F, C22C]
2015/0243,416 Method for manufacturing high-performance NdFeB rare earth permanent magnetic deviceMay 11, 15Aug 27, 15[H01F, C22C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920406 Method for manufacturing high-performance NdFeB rare earth permanent magnetic deviceMay 11, 15Mar 20, 18[B22F, H01F, C22C]
9863021 High-performance NdFeB rare earth permanent magnet with composite main phase and manufacturing method thereofMay 11, 15Jan 09, 18[B22F, H01F, C22C]
9620269 Method and equipment for processing NdFeB rare earth permanent magnetic alloy with hydrogen pulverizationMay 11, 15Apr 11, 17[B22F, H01F, C21D, C22C]
9543063 Continuous hydrogen pulverization method and production device of rare earth permanent magnetic alloyNov 08, 13Jan 10, 17[H01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0243,415 Method for manufacturing NdFeB rare earth permanent magnet containing CeAbandonedMay 11, 15Aug 27, 15[H01F, C22C]
2014/0334,962 Methods and devices for powdering NdFeB Rare Earth permanent magnetic alloyAbandonedJul 26, 14Nov 13, 14[B02C, H01F]
2014/0127,072 Continuous sintering method for rare earth permanent magnetic alloy and equipment thereforAbandonedNov 08, 13May 08, 14[H01F]

Top Inventors for This Owner

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