Inventor
GARRISON TONY R
US8 patents
⚠️ This page may combine multiple inventors who share the name “GARRISON TONY R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDW DELAWARE INC
7 patentsUS7546847B2Jun 16, 2009
Locking plug for closing the sidewall of a pipe
TDW DELAWARE INC25 citations89
US8047219B2Nov 1, 2011
Block and bleed plugging tool employing seals on a pipeline exterior
TDW DELAWARE INC17 citations82
US7766047B1Aug 3, 2010
Telescoping double blocking pipe plug
TDW DELAWARE INC9 citations82
US7216795B2May 15, 2007
Mechanical weldable fitting for use in tapping a pipeline
TDW DELAWARE INC10 citations78
US8001988B2Aug 23, 2011
Verifiable closing and locking system of a cylindrical passageway
TDW DELAWARE INC13 citations77
US7311114B2Dec 25, 2007
Cross-line plugging system
TDW DELAWARE INC8 citations71
US7398910B2Jul 15, 2008
System for use in tapping a pipe
TDW DELAWARE INC2 citations57