KONAN ELECTRIC COMPANY LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E02F DREDGING; SOIL-SHIFTING 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5692325 Attachment detaching apparatus for hydraulic shovelApr 12, 96Dec 02, 97[E02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6132131 Attachment mounting/demounting device in working machineryExpiredOct 05, 98Oct 17, 00[E02F]
5794652 Relief valveExpiredNov 30, 95Aug 18, 98[F16K]
5791372 Relief valveExpiredNov 30, 95Aug 11, 98[F16K]
5787926 Overload preventive deviceExpiredNov 17, 95Aug 04, 98[F16K]
5676172 Relief valveExpiredNov 30, 95Oct 14, 97[F16K]
5173035 Reciprocating pumpExpiredDec 27, 90Dec 22, 92[F04B]
4993924 Reciprocating pumpExpiredApr 10, 89Feb 19, 91[F04B]
4882977 Rotary actuatorExpiredAug 24, 88Nov 28, 89[F01B]
4733691 Solenoid valveExpiredMay 05, 87Mar 29, 88[F15B]
4707168 Case guard device for air filter and lubricator of compressed air systemExpiredMay 23, 86Nov 17, 87[B01D]

Top Inventors for This Owner

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