Assignee
VALLOUREC OIL & GAS
FR·4 granted patents·202 citations·filing 1995–1997
Top patents by PatentIndex Score
4 records- 0185US5687999AThreaded joint for tubesVALLOUREC OIL & GAS·Filed 1995·Granted Nov 18, 1997·82 cites·13 claims
- 0273US5906399AThreaded joint for metal tubes with internal coatingVALLOUREC OIL & GAS·Filed 1996·Granted May 25, 1999·39 cites·24 claims
- 0371US5782503AThreaded joint for tubesVALLOUREC OIL & GAS·Filed 1996·Granted Jul 21, 1998·37 cites·15 claims
- 0471US5769466AThreaded joint for pipesVALLOUREC OIL & GAS·Filed 1997·Granted Jun 23, 1998·44 cites·24 claims
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