Inventor
VARENNE EMMANUEL
FR6 patents
Patents
6 patentsUS6712401B2Mar 30, 2004
Tubular threaded joint capable of being subjected to diametral expansion
VALLOUREC MANNESMANN OIL & GAS177 citations96
US6481760B1Nov 19, 2002
Threaded connection of two metal tubes with groove in the threading
VALLOUREC MANNESMANN OIL & GAS143 citations96
US6412831B1Jul 2, 2002
Threaded connection of two metal tubes with high tightening torque
VALLOUREC MANNESMANN OIL & GAS101 citations96
US7331614B2Feb 19, 2008
Tubular threaded joint with trapezoid threads having convex bulged thread surface
VALLOUREC MANNESMANN OIL & GAS22 citations91
US6349979B1Feb 26, 2002
Integral threaded assembly of two metal tubes
VALLOUREC MANNESMANN OIL & GAS50 citations91
US6789823B2Sep 14, 2004
Tubular threaded joint with reinforced stop
VALLOUREC MANNESMANN OIL & GAS10 citations71