Inventor

STRINGFELLOW WILLIAM D

US5 patents

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

WEATHERFORD US INC

2 patents

US4589495AMay 20, 1986

Apparatus and method for inserting flow control means into a well casing

WEATHERFORD US INC126 citations93

US4711301ADec 8, 1987

Valve assembly for inflatable packer

WEATHERFORD US INC26 citations90

SMART PIPE COMPANY INC

1 patent

US7374127B2May 20, 2008

Systems and methods for making pipe liners

SMART PIPE COMPANY INC36 citations89

STRINGFELLOW WILLIAM D

1 patent

US8567448B2Oct 29, 2013

Methods and systems for in situ pipe lining

STRINGFELLOW WILLIAM D7 citations76

CATHA STEPHEN CROCKETT

1 patent

US9453606B2Sep 27, 2016

Movable factory for simultaneous mobile field manufacturing and installation of non-metallic pipe

CATHA STEPHEN CROCKETT6 citations62