Assignee
KVAERNER OILFIELD PRODUCTS INC
US·9 granted patents·182 citations·filing 1997–2004
Top patents by PatentIndex Score
9 records- 0171US6957929B1Single and dual reel flying lead deployment apparatusKVAERNER OILFIELD PRODUCTS INC·Filed 2004·Granted Oct 25, 2005·26 cites·20 claims
- 0269US6810954B2Production flow tree capKVAERNER OILFIELD PRODUCTS INC·Filed 2003·Granted Nov 2, 2004·35 cites·31 claims
- 0366US6644401B1Slip type casing hanger with integral high pressure isolation plateKVAERNER OILFIELD PRODUCTS INC·Filed 2001·Granted Nov 11, 2003·30 cites·19 claims
- 0456US6679330B1Tubing hanger with ball valveKVAERNER OILFIELD PRODUCTS INC·Filed 2001·Granted Jan 20, 2004·26 cites·4 claims
- 0549US6681852B2Tubing hanger shuttle valveKVAERNER OILFIELD PRODUCTS INC·Filed 2001·Granted Jan 27, 2004·16 cites·23 claims
- 0642US6644411B2Tubing hanger with flapper valveKVAERNER OILFIELD PRODUCTS INC·Filed 2001·Granted Nov 11, 2003·10 cites·14 claims
- 0742US6557644B1Adjustable tubing hanger assemblyKVAERNER OILFIELD PRODUCTS INC·Filed 2001·Granted May 6, 2003·8 cites·20 claims
- 0842US6354734B1Apparatus for accurate temperature and pressure measurementKVAERNER OILFIELD PRODUCTS INC·Filed 1999·Granted Mar 12, 2002·30 cites·77 claims
- 0922US6276386B1Charging device for hydraulic systemsKVAERNER OILFIELD PRODUCTS INC·Filed 1997·Granted Aug 21, 2001·1 cites·23 claims
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