CRRC MUDANJIANG JINYUAN CASTING CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B61G COUPLINGS SPECIALLY ADAPTED FOR RAILWAY VEHICLES; DRAUGHT OR BUFFING APPLIANCES SPECIALLY ADAPTED FOR RAILWAY VEHICLES315

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8469211 Coupler draft gear, double-side operating coupler and lower lockpin rotation shaft assemblyJul 22, 09Jun 25, 13[B61G]
8302791 Draft gearJul 22, 09Nov 06, 12[B61G]
8186525 Coupler and anti-creep mechanism for the sameJul 22, 09May 29, 12[B61G]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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