Assignee
AST SERVICES LLC
US4 patents
Top patents by PatentIndex Score
US7017432B2Mar 28, 2006
Hydraulic and electric umbilical connection for an inspection vehicle for inspecting a liquid-filled tank
AST SERVICES LLC18 citations88
US6929142B2Aug 16, 2005
Removable hatch cover for an internal floating roof manway
AST SERVICES LLC19 citations83
US6882412B2Apr 19, 2005
Method for inspecting an internal floating roof in a liquid-containing storage tank
AST SERVICES LLC15 citations77
US6838614B2Jan 4, 2005
Hydraulic and electric umbilical connection for an inspection vehicle for inspecting a liquid-filled tank
AST SERVICES LLC9 citations69