DAEMO ENGINEERING CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B25D PERCUSSIVE TOOLS 119
 
 
 
E02F DREDGING; SOIL-SHIFTING 144
 
 
 
E21C MINING OR QUARRYING121

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0279,775 STEPLESS VARIABLE AUTO STROKE HYDRAULIC BREAKER SYSTEMJul 29, 15Sep 29, 16[B25D, E21C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6513268 Quick coupler for excavatorJan 22, 02Feb 04, 03[E02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6332747 Coupling apparatus for detachably attaching an excavating device to excavatorExpiredSep 15, 99Dec 25, 01[E02F]
6298560 Shear assemblyExpiredMar 23, 00Oct 09, 01[B02C]
6227307 Sound and dust proof breakerExpiredAug 23, 99May 08, 01[B25D]

Top Inventors for This Owner

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