Inventor
MCDOWELL CHRISTOPHER L
US15 patents
⚠️ This page may combine multiple inventors who share the name “MCDOWELL CHRISTOPHER L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WEATHERFORD TECH HOLDINGS LLC
11 patentsUS10895130B2Jan 19, 2021
Remotely operated isolation valve
WEATHERFORD TECH HOLDINGS LLC5 citations84
US10214999B2Feb 26, 2019
Remotely operated isolation valve
WEATHERFORD TECH HOLDINGS LLC5 citations84
US10151171B2Dec 11, 2018
Signal operated isolation valve
WEATHERFORD TECH HOLDINGS LLC9 citations84
US10132137B2Nov 20, 2018
Bidirectional downhole isolation valve
WEATHERFORD TECH HOLDINGS LLC7 citations81
US10890048B2Jan 12, 2021
Signal operated isolation valve
WEATHERFORD TECH HOLDINGS LLC4 citations73
US10180041B2Jan 15, 2019
Isolation valve with debris control and flow tube protection
WEATHERFORD TECH HOLDINGS LLC1 citations72
US10107075B2Oct 23, 2018
Downhole isolation valve
WEATHERFORD TECH HOLDINGS LLC2 citations68
US11773691B2Oct 3, 2023
Remotely operated isolation valve
WEATHERFORD TECH HOLDINGS LLC0 citations62
US10344562B2Jul 9, 2019
Riser annular isolation device
WEATHERFORD TECH HOLDINGS LLC0 citations51
US10619440B2Apr 14, 2020
Communication through a hanger and wellhead
WEATHERFORD TECH HOLDINGS LLC0 citations43
US10787900B2Sep 29, 2020
Differential pressure indicator for downhole isolation valve
WEATHERFORD TECH HOLDINGS LLC0 citations33