JR

James A. Rollins

GE Geodynamics: 30 patents #5 of 54Top 10%
OL Owen Oil Tools Lp: 2 patents #17 of 64Top 30%
Overall (All Time): #105,594 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 25 most recent of 33 patents

Patent #TitleCo-InventorsDate
12312924 Shaped charge load tube with integrated detonation cord retention mechanism Wenbo Yang 2025-05-27
11920442 Select fire switch form factor system and method John T. Hardesty 2024-03-05
11834935 Shaped charge load tube with integrated detonation cord retention mechanism Wenbo Yang 2023-12-05
11719077 High density cluster based perforating system and method Wenbo Yang, Philip M. Snider, John T. Hardesty, David S. Wesson 2023-08-08
11326421 Proppant transport efficiency system and method John T. Hardesty, Wenbo Yang, Kevin Wutherich, Ross Harvey 2022-05-10
11187062 High density cluster based perforating system and method Wenbo Yang, Philip M. Snider, John T. Hardesty, David S. Wesson 2021-11-30
11047216 Select fire switch form factor system and method John T. Hardesty 2021-06-29
10914144 Proppant transport efficiency system and method John T. Hardesty, Wenbo Yang, Kevin Wutherich, Ross Harvey 2021-02-09
10746003 High density cluster based perforating system and method Wenbo Yang, Philip M. Snider, John T. Hardesty, David S. Wesson 2020-08-18
10746004 High density cluster based perforating system and method Wenbo Yang, Philip M. Snider, John T. Hardesty, David S. Wesson 2020-08-18
10612340 Wellbore plug isolation system and method Philip M. Snider, Kevin R. George, John T. Hardesty, Michael D. Wroblicky, Nathan G. Clark +1 more 2020-04-07
10480276 Wellbore plug isolation system and method Philip M. Snider, Kevin R. George, John T. Hardesty, Michael D. Wroblicky, Nathan G. Clark +1 more 2019-11-19
10378320 Select fire switch form factor system and method John T. Hardesty 2019-08-13
10030487 Select fire switch form factor system and method John T. Hardesty 2018-07-24
9845666 Limited entry phased perforating gun system and method John T. Hardesty 2017-12-19
9759049 Wellbore gun perforating system and method John T. Hardesty 2017-09-12
9759050 Wellbore gun perforating system and method John T. Hardesty 2017-09-12
9689238 Wellbore gun perforating system and method John T. Hardesty 2017-06-27
9650866 Hydraulic delay toe valve system and method Kevin R. George, John T. Hardesty, David S. Wesson 2017-05-16
9562421 Limited entry phased perforating gun system and method John T. Hardesty, Nathan G. Clark, David S. Wesson 2017-02-07
9382784 Externally-orientated internally-corrected perforating gun system and method John T. Hardesty, Nathan G. Clark 2016-07-05
9291040 Select fire switch form factor system and method John T. Hardesty 2016-03-22
9273535 Hydraulic flow restriction tube time delay system and method Kevin R. George, Philip M. Snider, John T. Hardesty, Michael D. Wroblicky, Nathan G. Clark +2 more 2016-03-01
9243472 Wellbore plug isolation system and method Philip M. Snider, Kevin R. George, John T. Hardesty, Michael D. Wroblicky, Nathan G. Clark +1 more 2016-01-26
9194219 Wellbore gun perforating system and method John T. Hardesty 2015-11-24