Inventor
BOETTGER HANS JOACHIM DIETRICH
NL4 patents
Patents
4 patentsUS7699121B2Apr 20, 2010
Pipe running tool having a primary load path
VARCO INT41 citations91
US7510006B2Mar 31, 2009
Pipe running tool having a cement path
VARCO INT14 citations82
US8037949B2Oct 18, 2011
Pipe running tool
VARCO INT3 citations61
US7753138B2Jul 13, 2010
Pipe running tool having internal gripper
VARCO INT5 citations61