Inventor
KAMPHORST HERMAN M
NL5 patents
Patents
5 patentsUS7591304B2Sep 22, 2009
Pipe running tool having wireless telemetry
VARCO INT62 citations95
US7699121B2Apr 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