Inventor

MORRISON PHILLIP K

US3 patents

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

TDW DELAWARE INC

2 patents

US7546847B2Jun 16, 2009

Locking plug for closing the sidewall of a pipe

TDW DELAWARE INC25 citations89

US7311114B2Dec 25, 2007

Cross-line plugging system

TDW DELAWARE INC8 citations71

CALKINS CHARLES D

1 patent

US7281543B2Oct 16, 2007

Apparatus, systems and methods for plugging a high temperature pipe

CALKINS CHARLES D30 citations85