Inventor

FEHRES NEIL E

US2 patents

Patents

2 patents

US7228919B2Jun 12, 2007

Pivoting pipe handler for off-line make up of drill pipe joints

NAT OILWELL LP45 citations83

US7234896B2Jun 26, 2007

Vertically folding service arm for a movable platform offshore drilling or servicing rig

NAT OILWELL LP14 citations79