DAEWON ELECTRIC CO. LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 221
 
  
 
B66D CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS 120
 
  
 
E02F DREDGING; SOIL-SHIFTING 144
 
  
 
E04G SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS121
 
  
 
H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES 148

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9634470 Method of constructing a distribution line using an extra-high voltage neutral lineJun 09, 14Apr 25, 17[H02G]
7814725 Method for replacing concrete utility pole without interrupting power supply by adopting pole clamp and pole crusherJun 13, 08Oct 19, 10[E04G]
7815399 Method of mechanized construction for earth wire under-bracing and extendable excavating unit for auger craneOct 10, 06Oct 19, 10[E02D]
7600947 Method for installing an arch-type underbracing on a utility pole for an overhead line by using extendable excavating unit for auger craneFeb 19, 08Oct 13, 09[E02D]
7007929 Electric wire removing roller for LP insulator and power distribution method of constructionJun 01, 02Mar 07, 06[B66D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8079122 Spacer jig for replacing spacer damper of overhead power lines and method of replacing spacer damper using the sameExpiredFeb 25, 08Dec 20, 11[H02G]
7980030 C-type underbracing having enlarged end portions for installing on utility poleExpiredMay 10, 10Jul 19, 11[E02D]
7614170 Extendable excavating screw unit equipped with hydraulic excavating auxiliary bladesExpiredFeb 22, 08Nov 10, 09[E21B, E02F]
2009/0013,618 C-type underbracing having enlarged end portions for installing on utility poleAbandonedFeb 19, 08Jan 15, 09[E02D]
7387294 Electric wire changing device for wire replacing works on electric poles and power distributing method without cutting off power supplyExpiredApr 12, 07Jun 17, 08[H02G]
7216850 Electric wire changing device for wire replacing works on electric poles and power distributing method without cutting off power supplyExpiredJun 05, 02May 15, 07[H02G]

Top Inventors for This Owner

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