Dril-Quip — 170 Patents, Ranked #4,268

Patents per Year

Showing 1–50 of 80 inventors

Rank	Name	Patents
1	Larry E. Reimert	46
2	Blake T. DeBerry	38
3	Morris B. Wade	27
#4	Bruce J. Watkins	24
#5	John M. Yokley	14
#6	Frank D. Kalb	11
#6	Gregory Norwood	11
#8	Bruce J. Witwer	10
#8	Justin Rye	10
#8	Lionel J. Milberger	10
#11	Fife B. Ellis	9
#11	Flavio Santos	9
#11	Gregory D. Williams	9
#14	Robert Buxton	8
#14	Todd L. Scaggs	8
#16	Curtis W. Payne	7
#16	David Scantlebury	7
#16	Steven M. Hafernik	7
#19	Andrew Mitchell	6
#19	Daniel J. McLaughlin	6
#19	John E. Nelson	6
#19	Mark A. Manning	6
#23	Chris D. Bartlett	5
#23	James M. Walker	5
#25	Darren W. Mills	4
#25	James Daryl Kizer	4
#25	Steven Zakharia	4
#28	Alfred Moore Williams	3
#28	David G. Holliday	3
#28	James R. Bower	3
#28	Jason McCanna	3
#28	John N. Yokley	3
#28	Matthew Crotwell	3
#28	Marcus Smedley	3
#28	Neil B. Prasad	3
#28	Raymond A. Guillory	3
#37	Andrew John Webber	2
#37	Colton Bradford Sandman	2
#37	Duncan Stuart Hogg	2
#37	Gerald Crotwell	2
#37	Jacob S. Warneke	2
#37	Justin D. Gorhum	2
#37	Justin Edward Morse	2
#37	Mark Edwin Organ	2
#37	Sascha A. Castriotta	2
#46	Alexander Anthony Bradley	1
#46	Andrew J. Grohmann	1
#46	Carlos Eduardo Martins Gaban	1
#46	Christopher C. Mayer	1
#46	Christopher L. Ognoskie	1

Patent	Est. Value	Year
Downhole tool with C-ring closure seat and method	$21M	2009
Downhole tool with slip releasing mechanism	$21M	2013
Method and apparatus for blow-out prevention in subsea drilling/completion systems	$21M	2008
Downhole C-ring slip assembly	$20M	2013
Wellhead conversion system and method	$20M	2012