Assignee
VALLOUREC LORRAINE ESCAUT
FR·15 granted patents·320 citations·filing 1974–1985
Top patents by PatentIndex Score
15 records- 0194US4550937AJoint for steel tubesVALLOUREC LORRAINE ESCAUT·Filed 1979·Granted Nov 5, 1985·89 cites·16 claims
- 0289US4175414ASmoothing rolling millVALLOUREC LORRAINE ESCAUT·Filed 1978·Granted Nov 27, 1979·23 cites·7 claims
- 0387US4494777AClosed angle thread pipe jointVALLOUREC LORRAINE ESCAUT·Filed 1984·Granted Jan 22, 1985·67 cites·14 claims
- 0479US4398756ACylindro-conical pipe jointVALLOUREC LORRAINE ESCAUT·Filed 1981·Granted Aug 16, 1983·56 cites·5 claims
- 0573US4177326AProcess for coating stainless steel with a lead-based alloy and articleVALLOUREC LORRAINE ESCAUT·Filed 1977·Granted Dec 4, 1979·32 cites·8 claims
- 0662US4154079AIntermittent rolling millVALLOUREC LORRAINE ESCAUT·Filed 1978·Granted May 15, 1979·9 cites·7 claims
- 0754US4056197ATurning mechanism for the movement of ladles in steel millsVALLOUREC LORRAINE ESCAUT·Filed 1975·Granted Nov 1, 1977·6 cites·5 claims
- 0844US4252578AProcess for thermal treatment of tubesVALLOUREC LORRAINE ESCAUT·Filed 1979·Granted Feb 24, 1981·7 cites·7 claims
- 0944US4091650ARolling mill for forming seamless tubes, and seamless tube-making apparatus comprising such a millVALLOUREC LORRAINE ESCAUT·Filed 1977·Granted May 30, 1978·4 cites·8 claims
- 1039US4660398AProcess for controlling a rolling mill having oblique rolls and a rolling mill for carrying out this processVALLOUREC LORRAINE ESCAUT·Filed 1985·Granted Apr 28, 1987·6 cites·7 claims
- 1138US3942650ATurning mechanism for the movement of ladles in steel millsVALLOUREC LORRAINE ESCAUT·Filed 1974·Granted Mar 9, 1976·5 cites·9 claims
- 1237US4541262AProcess for cold rolling of tubes by means of a pilger mill and device for using the processVALLOUREC LORRAINE ESCAUT·Filed 1983·Granted Sep 17, 1985·3 cites·15 claims
- 1336US4156360AMethod and apparatus for unstressing pipe and the resulting pipeVALLOUREC LORRAINE ESCAUT·Filed 1977·Granted May 29, 1979·6 cites·8 claims
- 1432US3955392ADevice for changing mandrels in tube rolling millsVALLOUREC LORRAINE ESCAUT·Filed 1975·Granted May 11, 1976·3 cites·8 claims
- 1526US4060727AMethod and apparatus for the radiographic inspection of tubesVALLOUREC LORRAINE ESCAUT·Filed 1976·Granted Nov 29, 1977·4 cites·7 claims
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