RF

Robert Folk

VI Varco I/P: 13 patents #8 of 168Top 5%
CL Cla-Val: 7 patents #1 of 16Top 7%
Overall (All Time): #137,440 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 25 most recent of 28 patents

Patent #TitleCo-InventorsDate
11215411 Induction heater and vaporizer Adrian Lachance 2022-01-04
10900300 System and method for delivering a tubular pipe segment to a drill rig floor 2021-01-26
10774939 Valve with integral insert-cast seat and related method Martin W. Pickett, Robert Lewis Ogden, Jr., David M. Rose, Ryan W. Pickett 2020-09-15
10267105 Apparatus for delivering drill pipe to a drill rig 2019-04-23
10060202 System and method for delivering a tubular pipe segment to a drill rig floor 2018-08-28
9631443 Apparatus for delivering drill pipe to a drill rig 2017-04-25
9249896 Control pilot valve apparatus 2016-02-02
9010371 Anti-cavitation valve seat David Becker 2015-04-21
8695630 System and method for hydraulically managing fluid pressure downstream from a main valve between set points 2014-04-15
8550101 System and method for hydraulically managing fluid pressure downstream from a main valve between set points 2013-10-08
8276612 System and method for hydraulically managing fluid pressure downstream from a main valve 2012-10-02
8091582 System and method for hydraulically managing fluid pressure downstream from a main valve between set points 2012-01-10
7862009 Electric winch motor Adrian Lachance 2011-01-04
7699125 Worm and collar drive drill rig 2010-04-20
7320374 Wellbore top drive systems Steven Lorne Folk 2008-01-22
7231969 Wellbore top drive power systems and methods of use Steven Lorne Folk 2007-06-19
7228913 Tubular clamp apparatus for top drives and methods of use Steven Lorne Folk 2007-06-12
D543833 Support link Steven Lorne Folk 2007-06-05
7222683 Wellbore top drive systems Steven Lorne Folk 2007-05-29
7188686 Top drive systems Steven Lorne Folk 2007-03-13
7152628 Anti-cavitation valve assembly David Becker 2006-12-26
D533196 Guard for derrick apparatus Steven Lorne Folk 2006-12-05
D532798 Guard for derrick apparatus Steven Lorne Folk 2006-11-28
D524833 Access platform for a well top drive system Steven Lorne Folk 2006-07-11
D524334 Swivel body for a well top drive system Steven Lorne Folk 2006-07-04