Inventor
PETRELLO ANTHONY
US5 patents
⚠️ This page may combine multiple inventors who share the name “PETRELLO ANTHONY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NABORS DRILLING INTERNAT LTD
4 patentsUS8935901B2Jan 20, 2015
Self-elevating mast employing draw works
NABORS DRILLING INTERNAT LTD10 citations82
US8925257B2Jan 6, 2015
Self-elevating mast employing drive carriage
NABORS DRILLING INTERNAT LTD4 citations71
US9279267B2Mar 8, 2016
Self-elevating mast employing draw works
NABORS DRILLING INTERNAT LTD0 citations50
US8839570B1Sep 23, 2014
Self-elevating mast employing actuators
NABORS DRILLING INTERNAT LTD1 citations50