Inventor
PLAQUIN BERNARD
FR6 patents
Patents
6 patentsUS4426105AJan 17, 1984
Joints for pipes, particularly intended for the oil industry
VALLOUREC116 citations92
US4828295AMay 9, 1989
Steel tube threaded joint having an impervious device at the level of the threading
VALLOUREC35 citations89
US4828294AMay 9, 1989
Threaded joint for steel pipes containing a sealing device located at the level of the threading
VALLOUREC24 citations89
US4614120ASep 30, 1986
Determination of the make-up torque for pipe joints
VALLOUREC43 citations89
US4665780AMay 19, 1987
Method of machining threaded pipe-ends
VALLOUREC20 citations79
US4515020AMay 7, 1985
Method and apparatus for ensuring correct thread make-up of a pipejoint
VALLOUREC3 citations60