OPW/BUFFALO ACQUISITION, INC. (MERGED INTO), PISCES BY OPW, INC. (CHANGED TO)

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL367
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 221
 
  
 
E02B HYDRAULIC ENGINEERING 117

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5775842 Double containment under ground piping systemJan 03, 97Jul 07, 98[F16L, E02D]
5590981 Double-containment underground piping systemJun 06, 95Jan 07, 97[F16L]
5567083 Double-containment underground piping systemJun 06, 95Oct 22, 96[F16L]
5553971 Double-containment underground piping systemDec 20, 88Sep 10, 96[E02B, E02D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5098221 Flexible double-containment piping system for underground storage tanksExpiredSep 22, 89Mar 24, 92[B65D]

Top Inventors for This Owner

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