SPIR-O-LIZER
Filed: September 7, 1995
metal wellbore centralizers and centralizer stop collars for use in oil and gas exploration, drilling of bore holes and…
Owned by: DOWNHOLE PRODUCTS LIMITED
Serial Number: 74726281
PEN-O-TRATOR
Filed: April 10, 2002
[ PIPES AND TUBES OF METAL; CENTRALISERS AND CENTRALISER LOCKS; CENTRALISERS AND CENTRALISER LOCKS FOR CASING, PIPES OR…
Owned by: DOWNHOLE PRODUCTS LIMITED
Serial Number: 76393261
EXPAND-O-LIZER
Filed: June 18, 2002
ARTICLES AND TUBES OF METAL ALL FOR USE IN WATER, OIL AND GAS EXPLORATION AND PRODUCTION, NAMELY WELLBORE PIPES, CASING…
Owned by: DOWNHOLE PRODUCTS LIMITED
Serial Number: 76424717
BLADE RUNNER
Filed: February 17, 2005
Water, oil and gas well downhole metal products, namely, metal pipes and tubes, wellbore centralizers and locks therefor…
Owned by: DOWNHOLE PRODUCTS LIMITED
Serial Number: 78570051
