Inventor
DUGGAN ANDREW MICHAEL
GB9 patents
⚠️ This page may combine multiple inventors who share the name “DUGGAN ANDREW MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WEATHERFORD LAMB
8 patentsUS7578043B2Aug 25, 2009
Coupling tubulars
WEATHERFORD LAMB53 citations95
US7367389B2May 6, 2008
Tubing expansion
WEATHERFORD LAMB22 citations92
US7255177B2Aug 14, 2007
Tubing expansion
WEATHERFORD LAMB24 citations92
US7357189B2Apr 15, 2008
Seal
WEATHERFORD LAMB29 citations89
US7066259B2Jun 27, 2006
Bore isolation
WEATHERFORD LAMB21 citations88
US7086477B2Aug 8, 2006
Tubing expansion tool
WEATHERFORD LAMB12 citations82
US7111680B2Sep 26, 2006
Bore-lining tubing and method of use
WEATHERFORD LAMB9 citations72
US7798223B2Sep 21, 2010
Bore isolation
WEATHERFORD LAMB5 citations58