P

Inventor

TULLOCH RORY

GB5 patents
⚠️ This page may combine multiple inventors who share the name “TULLOCH RORY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DRILEX LTD

3 patents
US4775017AOct 4, 1988

Drilling using downhole drilling tools

DRILEX LTD72 citations94
US4796704AJan 10, 1989

Drop ball sub-assembly for a down-hole device

DRILEX LTD29 citations90
US4844179AJul 4, 1989

Drill string stabilizer

DRILEX LTD16 citations71

SMITH INTERNATIONAL

2 patents
US7311141B2Dec 25, 2007

Casing scraper

SMITH INTERNATIONAL36 citations91
US7255164B2Aug 14, 2007

Casing brush assembly

SMITH INTERNATIONAL9 citations72