Assignee
VALLOUREC IND
FR·5 granted patents·163 citations·filing 1987–1992
Top patents by PatentIndex Score
5 records- 0183US5137310AAssembly arrangement using frustoconical screwthreads for tubesVALLOUREC IND·Filed 1990·Granted Aug 11, 1992·92 cites·9 claims
- 0270US5253902AAnti-seizing surface coating for assembly means for tubes by threadings and process for producing such a coatingVALLOUREC IND·Filed 1992·Granted Oct 19, 1993·40 cites·24 claims
- 0359US5311127AMethod and apparatus for inspecting metal tubes employing magnetically induced eddy currentsVALLOUREC IND·Filed 1991·Granted May 10, 1994·26 cites·14 claims
- 0432US4957542AProcess for treating liquid steels by injecting gas through the ladle bottomVALLOUREC IND·Filed 1989·Granted Sep 18, 1990·2 cites·20 claims
- 0531US4869311ADevice permitting introduction of a fluid into the cooling chamber of a rotary mouldVALLOUREC IND·Filed 1987·Granted Sep 26, 1989·3 cites·12 claims
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