Inventor

ROGERS JOHN P

US4 patents

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

HALLIBURTON ENERGY SERV INC

2 patents

US6755247B2Jun 29, 2004

Fluid property sensors and associated methods of calibrating sensors in a subterranean well

HALLIBURTON ENERGY SERV INC23 citations91

US6604581B2Aug 12, 2003

Fluid property sensors and associated methods of calibrating sensors in a subterranean well

HALLIBURTON ENERGY SERV INC42 citations91

ROBBINS & MYERS ENERGY SYS LP

1 patent

US7346455B2Mar 18, 2008

Wellbore evaluation system and method

ROBBINS & MYERS ENERGY SYS LP33 citations87

DOWTY BOULTON PAUL LTD

1 patent

US4721202AJan 26, 1988

Frictional drive units

DOWTY BOULTON PAUL LTD3 citations51