Inventor

COLVARD R LEE

US3 patents

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

WEATHERFORD LAMB

2 patents

US7252152B2Aug 7, 2007

Methods and apparatus for actuating a downhole tool

WEATHERFORD LAMB198 citations95

US7730965B2Jun 8, 2010

Retractable joint and cementing shoe for use in completing a wellbore

WEATHERFORD LAMB43 citations88

WEATHERFORD US INC

1 patent

US5411049AMay 2, 1995

Valve

WEATHERFORD US INC48 citations89