Inventor

ESTES ROBERT ALAN

US4 patents

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

BAKER HUGHES INC

2 patents

US6508316B2Jan 21, 2003

Apparatus to measure the earth's local gravity and magnetic field in conjunction with global positioning attitude determination

BAKER HUGHES INC59 citations93

US6212476B1Apr 3, 2001

Apparatus to measure the earth's local gravity and magnetic field in conjunction with global positioning attitude determining

BAKER HUGHES INC39 citations88

HALLIBURTON ENERGY SERVICES INC

1 patent

US10801318B1Oct 13, 2020

Directional sensor with means for adjusting cancellation of interfering electromagnetic field

HALLIBURTON ENERGY SERVICES INC7 citations72

ESTES ROBERT ALAN

1 patent

US8987924B2Mar 24, 2015

Self-tuning energy harvester

ESTES ROBERT ALAN2 citations52

ESTES ROBERT ALAN

BAKER HUGHES INC

Apparatus to measure the earth&#39;s local gravity and magnetic field in conjunction with global positioning attitude determination

Apparatus to measure the earth&#39;s local gravity and magnetic field in conjunction with global positioning attitude determining

HALLIBURTON ENERGY SERVICES INC

Directional sensor with means for adjusting cancellation of interfering electromagnetic field

ESTES ROBERT ALAN

Self-tuning energy harvester

Apparatus to measure the earth's local gravity and magnetic field in conjunction with global positioning attitude determination

Apparatus to measure the earth's local gravity and magnetic field in conjunction with global positioning attitude determining