DUNLOP OIL AND MARINE LTD

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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 GENERAL1753
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 254
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS128
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR166
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9464738 Hybrid hose reinforcementsApr 29, 14Oct 11, 16[F16L, D02G, B32B]
9441766 Reinforced hoseApr 10, 14Sep 13, 16[F16L, B63B]
9366597 Leak detectorMay 31, 11Jun 14, 16[F16L, G01M]
8770234 HoseSep 15, 08Jul 08, 14[F16L]
8746288 Hybrid hose reinforcementsFeb 08, 05Jun 10, 14[F16L]
8720066 HoseOct 22, 12May 13, 14[B21D]
8713797 HoseOct 22, 12May 06, 14[B21D]
8708606 Relating to pipeSep 15, 08Apr 29, 14[F16L]
8641324 Oil transport pipesDec 20, 04Feb 04, 14[F16L]
8439603 Improvements relating to hoseAug 10, 07May 14, 13[F16L]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0079,313 HOSE PUMPSAbandonedJan 22, 09Apr 07, 11[F16L]
4775855 Hose leak detectorsExpiredFeb 04, 87Oct 04, 88[G08B]
4683156 Flexible blanketExpiredApr 11, 86Jul 28, 87[E02B, B32B]
4576037 Leak detectorsExpiredApr 19, 84Mar 18, 86[G01M]
4509558 Flexible hoseExpiredSep 24, 82Apr 09, 85[F16L]
4213485 HoseExpiredJul 26, 78Jul 22, 80[F16L]

Top Inventors for This Owner

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