Inventor

RUGGIER MICHAEL

GB2 patents

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

SHELL OIL CO

1 patent

US7810583B2Oct 12, 2010

Drilling systems and methods

SHELL OIL CO15 citations80

VETCO GRAY INC

1 patent

US4771646ASep 20, 1988

Rotating and indexing mechanism

VETCO GRAY INC24 citations75