Inventor

CAULFIELD JOHN KEITH

US4 patents

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

TETRA TECH

2 patents

US9291016B2Mar 22, 2016

Method for pulling a crown plug from a subsea tree

TETRA TECH4 citations81

US10036225B2Jul 31, 2018

Method and apparatus for pulling a crown plug

TETRA TECH2 citations70

CAULFIELD JOHN KEITH

1 patent

US8869899B2Oct 28, 2014

Method for pulling a crown plug

CAULFIELD JOHN KEITH9 citations77

EPIC APPLIED TECH LLC

1 patent

US10626693B2Apr 21, 2020

Method for pulling a crown plug

EPIC APPLIED TECH LLC0 citations48