DP

Dennis J. Penisson

BT Bilco Tools: 14 patents #1 of 5Top 20%
WS Wellbore Specialties: 4 patents #1 of 5Top 20%
OS Offshore Energy Services: 2 patents #2 of 8Top 25%
Overall (All Time): #146,397 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 25 most recent of 27 patents

Patent #TitleCo-InventorsDate
9915582 Modular pressure testing unit Gary Russell Garber, Kevin Michael Guidry, Kirk Pepper 2018-03-13
9512696 Non-rotating wellbore casing scraper 2016-12-06
9382768 Tubular handling system and method Gary Russell Garber, Kevin Michael Guidry 2016-07-05
9022121 Back-up ring for a liner top test tool 2015-05-05
8540028 Autonomous junk collecting sleeve for a riser 2013-09-24
8215403 Downhole circulating tool and method of use 2012-07-10
8162064 Autonomous junk collecting sleeve for a riser 2012-04-24
7753113 Modular junk basket device with baffle deflector 2010-07-13
7753114 Magnetic wellbore cleaning tool 2010-07-13
7753124 Autonomous magnetic sleeve for a riser 2010-07-13
7753125 Rotating, jet-biased wellbore cleaning tool 2010-07-13
7201233 Arm for moving flexible lines at a well site William E. Coyle, Jr. 2007-04-10
6951251 Junk basket and method 2005-10-04
6439316 Power tong with shutdown system and method 2002-08-27
6119557 Power tong with shutdown system and method 2000-09-19
5669653 Fluid powered backup tong and method 1997-09-23
5664310 Combination power and backup tong support and method 1997-09-09
5609226 Slip-type gripping assembly 1997-03-11
5535645 Power tong with improved guard and method 1996-07-16
5484040 Slip-type gripping assembly 1996-01-16
5461905 Method and apparatus for testing oilfield tubular threaded connections 1995-10-31
5335756 Slip-type gripping assembly 1994-08-09
5211681 System for making up or breaking out threaded joints of pipe 1993-05-18
5150638 Power tong for making up or breaking out threaded joints of pipe 1992-09-29
5042601 Triple tool with sliding spider bowl 1991-08-27