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Andrew Duggan

WE Weatherford/Lamb: 9 patents #81 of 852Top 10%
BO Baker Hughes Oilfield Operations: 3 patents #176 of 1,057Top 20%
BC Baker Hughes, A Ge Company: 1 patents #709 of 1,459Top 50%
📍 Aberdeen, TX: #5 of 32 inventorsTop 20%
Overall (All Time): #367,295 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
11891875 Expandable annular seal tool and system 2024-02-06
11326411 Thermal activation of liner hanger for elastomer-less completion Jeffrey Williams 2022-05-10
11280162 Power generation using pressure differential between a tubular and a borehole annulus Christopher R. Hern, Daniel Ewing 2022-03-22
11142999 Downhole power generation using pressure differential Christopher R. Hern, Daniel Ewing 2021-10-12
8746028 Tubing expansion Graeme Thomas Marr, Paul David Metcalfe, Mark Davies, Neil Andrew Abercrombie Simpson, Wayne Rudd 2014-06-10
7798223 Bore isolation Gareth Innes 2010-09-21
7578043 Coupling tubulars Neil Andrew Abercrombie Simpson, Simon J. Harrall, Paul David Metcalfe, Neil James Glover, David Stephenson 2009-08-25
7367389 Tubing expansion Simon J. Harrall, Paul David Metcalfe, David Hillis, Wayne Rudd 2008-05-06
7357189 Seal Walter Aldaz, James Whanger, Neil Andrew Abercrombie Simpson, Simon J. Harrall, James Oliver 2008-04-15
7255177 Tubing expansion Simon J. Harrall, Paul David Metcalfe, David Hillis, Wayne Rudd 2007-08-14
7111680 Bore-lining tubing and method of use 2006-09-26
7086477 Tubing expansion tool 2006-08-08
7066259 Bore isolation Gareth Innes 2006-06-27