Alan MacKenzie — 16 Patents at Baker Hughes Holdings

Alan MacKenzie has been granted 16 US patents while listed as an inventor at Baker Hughes Holdings. The first was granted in 1997 and the most recent in November 2020. Alan MacKenzie ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Alan MacKenzie in Banchory, WA, GB.

Patents per Year

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10830011	Selective downhole actuator	Alagappan Viswanathan, Alastair Henry Walter Macfarlane	2020-11-10
9482066	Downhole tool activation	Matthew Shaw	2016-11-01
9359866	Downhole tool actuator	—	2016-06-07
8973680	Lockable reamer	—	2015-03-10
8905158	Downhole tool	Darren Ritchie, Krzysztof Karol Machocki	2014-12-09
8028763	Downhole tool	—	2011-10-04
7654332	Apparatus and methods for radially expanding a tubular member	—	2010-02-02
7401650	Apparatus and methods for radially expanding a tubular member	—	2008-07-22
7243722	Expander device	Peter Oosterling	2007-07-17
7185701	Apparatus and method for radially expanding a tubular member	—	2007-03-06
7073583	Method and apparatus for expanding tubing downhole	David Andrew Anderton, Christopher Callaway	2006-07-11
6619398	Cement diverter system for multilateral junctions and method for cementing a junction	Aubrey C. Mills, Douglas J. Murray	2003-09-16	$13,817,000
6561279	Method and apparatus for completing a wellbore	Sebastian Wolters, Douglas J. Murray	2003-05-13	$20,232,000
6419026	Method and apparatus for completing a wellbore	Sebastian Wolters, Douglas J. Murray	2002-07-16	$20,306,000
5749419	Completion apparatus and method	Martin P. Coronado	1998-05-12	$29,866,000
5689895	Probe positioning device for a flask freeze drying	David T. Sutherland, Dean B. Wise	1997-11-25