Inventor

BONASORTE RENATO

IT3 patents

Patents

3 patents

US6429405B2Aug 6, 2002

Apparatus and method for welding pipes together

SAIPEM SPA33 citations88

US6313426B2Nov 6, 2001

Method and apparatus for welding pipes together

SAIPEM SPA20 citations88

US7114881B2Oct 3, 2006

Method and apparatus for welding pipes together

SAIPEM SPA19 citations79