Inventor
RATCLIFFE JAMES DAVID
GB13 patents
⚠️ This page may combine multiple inventors who share the name “RATCLIFFE JAMES DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONDEX WIRELINE LTD
5 patentsUS11021947B2Jun 1, 2021
Sensor bracket positioned on a movable arm system and method
SONDEX WIRELINE LTD2 citations69
US10920572B2Feb 16, 2021
Sensor deployment system and method using a movable arm with a telescoping section
SONDEX WIRELINE LTD2 citations66
US10883325B2Jan 5, 2021
Arm deployment system and method
SONDEX WIRELINE LTD1 citations59
US10907467B2Feb 2, 2021
Sensor deployment using a movable arm system and method
SONDEX WIRELINE LTD1 citations58
US9638866B2May 2, 2017
Optical fibre quick connect box
SONDEX WIRELINE LTD1 citations45
BAKER HUGHES OILFIELD OPERATIONS LLC
4 patentsUS11422205B2Aug 23, 2022
Magnetic freepoint indicator tool
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations58
US11287545B2Mar 29, 2022
Magnetic freepoint indicator tool
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations58
US11269021B2Mar 8, 2022
Magnetic freepoint indicator tool
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations58
US11725465B2Aug 15, 2023
Optical gas sensor assembly
BAKER HUGHES OILFIELD OPERATIONS LLC1 citations56
RATCLIFFE JAMES DAVID
3 patentsUS8230932B2Jul 31, 2012
Multifunction downhole release tool mechanism with lost motion
RATCLIFFE JAMES DAVID22 citations84
US8939039B2Jan 27, 2015
Load cell for a downhole load measuring tool
RATCLIFFE JAMES DAVID7 citations82
US8689620B2Apr 8, 2014
Pressure balancing device
RATCLIFFE JAMES DAVID11 citations76