Minyu Machinery Corp., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 233

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7931223 Dust-proof structure of a cone crusherAug 25, 08Apr 26, 11[B02C]
7771572 Cone crusher fixed toothed plate fixing structureFeb 08, 07Aug 10, 10[B02C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0319,259 STRUCTURE OF CRUSHERAbandonedApr 26, 13Oct 30, 14[B02C]
2003/0192,359 Feeding and curling device for spring making machinesAbandonedApr 10, 02Oct 16, 03[B21F]
2003/0183,706 Cone crusher having eccentric inner bushingAbandonedMar 26, 02Oct 02, 03[B02B]
2002/0148,267 Spring manufacturing deviceAbandonedApr 15, 01Oct 17, 02[B21F]
6044682 Wire product manufacturing apparatusExpiredJan 06, 99Apr 04, 00[B21F]
5829293 Automatic spring formation apparatusExpiredJul 01, 97Nov 03, 98[B21J, B21F]
5452598 Automatic spring formation apparatusExpiredJul 26, 93Sep 26, 95[B21F]

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