RH

Raymond Hofman

PT Peak Completion Technologies: 12 patents #2 of 12Top 20%
SD Summit Downhole Dynamics: 4 patents #1 of 8Top 15%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #183,427 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10538991 Downhole tools, system and methods of using William Sloane Muscroft 2020-01-21
9915122 Downhole tools, system and methods of using William Sloane Muscroft 2018-03-13
9828833 Downhole tool with collapsible or expandable split ring William Sloane Muscroft 2017-11-28
9765607 Open hole fracing system 2017-09-19
9702221 Downhole tools with ball trap William Sloane Muscroft, Frank V. De Lucia 2017-07-11
9664015 Fracturing system and method William Sloane Muscroft, Stephen S. Jackson, Daniel Rojas 2017-05-30
9611719 Downhole tool William Sloane Muscroft 2017-04-04
9567832 Downhole tools, system and method of using William Sloane Muscroft 2017-02-14
9500064 Flow bypass device and method William Sloane Muscroft, Bryan Fitzhugh 2016-11-22
9453391 Downhole tool with expandable seat Steve Jackson 2016-09-27
9447670 Self-orienting fracturing sleeve and system Steve Jackson 2016-09-20
9441440 Downhole tools, system and method of using William Sloane Muscroft, Eric Fruge 2016-09-13
9133684 Downhole tool William Sloane Muscroft 2015-09-15
9121248 Downhole system and apparatus incorporating valve assembly with resilient deformable engaging element William Sloane Muscroft, Bryan Fitzhugh 2015-09-01
8887811 Downhole tool with expandable seat Steve Jackson 2014-11-18
8820418 Differential shifting tool and method of shifting Steve Jackson 2014-09-02
8540019 Fracturing system and method Steve Jackson, Daniel Rojas, William Sloane Muscroft 2013-09-24
8479822 Downhole tool with expandable seat Steve Jackson 2013-07-09
8371389 Differential shifting tool and method of shifting Steve Jackson 2013-02-12
7926571 Cemented open hole selective fracing system 2011-04-19
7802627 Remotely operated selective fracing system and method Gary L. Ragsdale, Stephen W. Cook, Paul A. Avery 2010-09-28
7377322 Method and apparatus for cementing production tubing in a multilateral borehole 2008-05-27
7267172 Cemented open hole selective fracing system 2007-09-11