ZHEJIANG SHUANGNIAO MACHINERY CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL120
 
  
 
B21L MAKING CHAINS 16
 
  
 
B66D CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS 120
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 155
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9889482 Automatic counting chain-cutting machine for round link chainsMay 26, 15Feb 13, 18[B21L, B21C]
9505592 Adjustment and testing device for a load-limiting hoistMay 26, 15Nov 29, 16[H02K, G01L, H02P, F04D, B66D]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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