Inventor
FRIAS ROBERT
8 patents
Patents
8 patentsUS4470740ASep 11, 1984
Apron for pipe handling system
INGRAM CORP56 citations94
US4426182AJan 17, 1984
Tubular handling apparatus
INGRAM CORP86 citations94
US4439091AMar 27, 1984
Pipe feeding system
INGRAM CORP52 citations91
US4382738AMay 10, 1983
Pipe handling system
INGRAM CORP37 citations91
US4380297AApr 19, 1983
Pipe storage system
INGRAM CORP50 citations91
US4379676AApr 12, 1983
Pipe handling system
INGRAM CORP42 citations91
US4371302AFeb 1, 1983
Pipe handling apparatus
INGRAM CORP56 citations91
US4453872AJun 12, 1984
Handling apparatus for pipe and other tubulars
INGRAM CORP38 citations88