Inventor
HARDIN JR JOHN RANSFORD
US12 patents
⚠️ This page may combine multiple inventors who share the name “HARDIN JR JOHN RANSFORD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON ENERGY SERV INC
7 patentsUS6244361B1Jun 12, 2001
Steerable rotary drilling device and directional drilling method
HALLIBURTON ENERGY SERV INC300 citations97
US6948572B2Sep 27, 2005
Command method for a steerable rotary drilling device
HALLIBURTON ENERGY SERV INC45 citations92
US6640909B2Nov 4, 2003
Steerable rotary drilling device
HALLIBURTON ENERGY SERV INC13 citations92
US6340063B1Jan 22, 2002
Steerable rotary directional drilling method
HALLIBURTON ENERGY SERV INC35 citations90
US8807246B2Aug 19, 2014
Downhole tool and control module
HALLIBURTON ENERGY SERV INC4 citations72
US6899174B2May 31, 2005
Floating instrument insert for a tool
HALLIBURTON ENERGY SERV INC11 citations72
US7320363B2Jan 22, 2008
Energized slip ring assembly
HALLIBURTON ENERGY SERV INC8 citations68
HALLIBURTON ENERGY SERVICES INC
4 patentsUS9453380B2Sep 27, 2016
Remote hydraulic control of downhole tools
HALLIBURTON ENERGY SERVICES INC10 citations78
US11174681B2Nov 16, 2021
Push-the-bit bottom hole assembly with reamer
HALLIBURTON ENERGY SERVICES INC1 citations61
US11035174B2Jun 15, 2021
Strategic flexible section for a rotary steerable system
HALLIBURTON ENERGY SERVICES INC1 citations61
US11274499B2Mar 15, 2022
Point-the-bit bottom hole assembly with reamer
HALLIBURTON ENERGY SERVICES INC0 citations51