KVAERNER OILFIELD PRODUCTS

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

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 GENERAL565
 
  
 
E21B EARTH OR ROCK DRILLING 294

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6557644 Adjustable tubing hanger assemblyJul 31, 01May 06, 03[E21B]
6158716 Lateral connector for tube assemblyOct 04, 96Dec 12, 00[F16L]
5749608 Lateral connector for tube assemblyOct 04, 96May 12, 98[F16L]
5730473 Lateral connector for tube assemblyOct 04, 96Mar 24, 98[F16L]
5582438 Lateral connector for tube assemblyDec 21, 94Dec 10, 96[F16L]
5149143 Connector assembly with detachable sleeveMay 08, 91Sep 22, 92[F16L]
5127478 Casing suspension systemAug 23, 91Jul 07, 92[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6644401 Slip type casing hanger with integral high pressure isolation plateExpiredOct 26, 01Nov 11, 03[E21B]
2002/0100,592 Production flow tree capAbandonedMar 13, 01Aug 01, 02[E21B]
6382868 Slot lock ringExpiredJul 25, 00May 07, 02[F16B]
6354734 Apparatus for accurate temperature and pressure measurementExpiredNov 04, 99Mar 12, 02[G01K, G01L]
2002/0011,336 Crossover tree systemAbandonedJan 29, 01Jan 31, 02[E21B]
2001/0011,593 Well completion system with an annular bypass and a solid stopper meansAbandonedJan 24, 01Aug 09, 01[E21B]
6041859 Anti-rotation deviceExpiredDec 30, 97Mar 28, 00[E21B]
5975210 Well completion system having a precision cut low profile helixExpiredDec 31, 97Nov 02, 99[E21B]
5246075 Guide post latching mechanismExpiredJan 06, 92Sep 21, 93[E21B]
5069580 Subsea payload installation systemExpiredSep 25, 90Dec 03, 91[E02B, E02D]
4852611 Wellhead connection of hydraulic control linesExpiredSep 16, 87Aug 01, 89[F16L]
4809733 Fail-safe gate valve with separated actuatorsExpiredApr 22, 87Mar 07, 89[F16K]
4797029 Remotely installing a tubular stringExpiredNov 24, 86Jan 10, 89[F16L, E21B]
4697828 Wellhead body lockdown and method for engaging sameExpiredNov 26, 86Oct 06, 87[F16L]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.