Inventor

ELLISON LEON

US3 patents

⚠️ This page may combine multiple inventors who share the name “ELLISON LEON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NAT OILWELL VARCO LP

2 patents

US7958715B2Jun 14, 2011

Chain with identification apparatus

NAT OILWELL VARCO LP35 citations89

US7946356B2May 24, 2011

Systems and methods for monitored drilling

NAT OILWELL VARCO LP39 citations88

KINERT NATHAN

1 patent

US9784041B2Oct 10, 2017

Drilling rig riser identification apparatus

KINERT NATHAN5 citations63