Inventor

HILL III JOHN L

US5 patents

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

UTD INC

2 patents

US5193628AMar 16, 1993

Method and apparatus for determining path orientation of a passageway

UTD INC158 citations95

US6382583B1May 7, 2002

Releasable device and method

UTD INC36 citations90

RAYTHEON UTD INC

2 patents

US7584808B2Sep 8, 2009

Centralizer-based survey and navigation device and method

RAYTHEON UTD INC81 citations94

US7870912B2Jan 18, 2011

Centralizer-based survey and navigation device and method

RAYTHEON UTD INC6 citations70

HILL III JOHN L

1 patent

US8636448B2Jan 28, 2014

Drilling apparatus, method, and system

HILL III JOHN L0 citations40