VAM USA, LLC

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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 GENERAL1555

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9599259 Oilfield threaded connectionsMay 29, 07Mar 21, 17[F16L, E21B]
7780202 Oilfield tubular connection with increased compression capacitySep 05, 07Aug 24, 10[F16L]
7438329 Methods and connections for coupled pipeJan 11, 05Oct 21, 08[F16L]
7086669 Method and apparatus for sealing radially expanded jointsNov 07, 02Aug 08, 06[F16L]
6893057 Threaded pipe connectionOct 31, 02May 17, 05[F16L]
6863313 Threaded connection for internally clad pipeJun 28, 01Mar 08, 05[F16L]
6857668 Replaceable corrosion seal for threaded connectionsJan 18, 02Feb 22, 05[F16L]
6811189 Corrosion seal for threaded connectionsOct 04, 00Nov 02, 04[F16L]
6609735 Threaded and coupled connection for improved fatigue resistanceJul 21, 99Aug 26, 03[F16L]
6581980 Threaded connection with high compressive ratingApr 28, 00Jun 24, 03[F16L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5092635 Buttress thread formExpiredApr 27, 90Mar 03, 92[F16L]
5066052 Threaded pipe joint having improved seal ring entrapmentExpiredJan 25, 90Nov 19, 91[F16L]
5064224 Oil field tubular connectionExpiredFeb 16, 90Nov 12, 91[F16L]
4946201 Oil field tubular connectionExpiredMar 08, 89Aug 07, 90[F16L]
4944538 Threaded pipe joint having improved seal ring entrapmentExpiredMar 08, 89Jul 31, 90[F16L]

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