DT

David J. Tilley

HS Halliburton Energy Services: 15 patents #434 of 4,711Top 10%
Shell Oil Compny: 3 patents #1,070 of 4,423Top 25%
NS Newpark Mats & Integrated Services: 2 patents #10 of 29Top 35%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Winnsboro, LA: #1 of 41 inventorsTop 3%
🗺 Louisiana: #140 of 10,876 inventorsTop 2%
Overall (All Time): #170,903 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
12158051 Drill string circulation apparatus 2024-12-03
10961788 Compression set downhole clutch Christopher Dale Russo, Jacob Boutin 2021-03-30
10639775 Systems, apparatus and methods for manipulating a ground cover attachment pin Randy Paul Bordelon, Matthew Stephen James Lanigan, James Kerwin McDowell 2020-05-05
10633949 Top-down squeeze system and method Phillip Michael Morgan, James T. Johnson, Michael R. Johnson, Nicholas Lee Strohla, Matthew Ryan Gray +1 more 2020-04-28
10286530 Safety wrench for conduit union and method of use Robert P. Fanguy 2019-05-14
10266994 Apparatus and methods for connecting components of a support surface James Kerwin McDowell, Ryan Michael Gonsoulin 2019-04-23
10132125 Resettable downhole torque limiter and related methods of use Benton T. Knobloch, Jr., Todd J. Roy 2018-11-20
9528356 Flow control mechanism for downhole tool Christopher Dale Russo, Carl B. Miller 2016-12-27
9429189 Resettable downhole torque limiter and related methods of use Benton T. Knobloch, Jr., Todd J. Roy 2016-08-30
9068416 Wellbore knock-out chamber and related methods of use Benton T. Knobloch, Jr., Todd J. Roy 2015-06-30
9062507 Differential pressure wellbore tool and related methods of use Benton T. Knobloch, Jr., Todd J. Roy 2015-06-23
9048653 Systems for joining insulated conductors Charles D'Angelo, III, John Matthew Coles, Patrick Silas Harmason, Francis Marion Stone, Jr., Ryan Michael Gonsoulin 2015-06-02
9038736 Wellbore filter screen and related methods of use Benton T. Knobloch, Jr., Todd J. Roy 2015-05-26
8978773 Sliding sleeve bypass valve for well treatment 2015-03-17
8651181 Downhole filter tool Benton T. Knobloch, Jr., Todd J. Roy 2014-02-18
8616292 Resettable downhole torque limiter and related methods of use Benton T. Knobloch, Jr., Todd J. Roy 2013-12-31
8550176 Wellbore bypass tool and related methods of use Benton T. Knobloch, Jr., Todd J. Roy 2013-10-08
8485847 Press-fit coupling joint for joining insulated conductors 2013-07-16
8403067 Repeatable, compression set downhole bypass valve Benton T. Knobloch, Jr., Todd J. Roy 2013-03-26
8336617 Downhole filter tool Benton T. Knobloch, Jr., Todd J. Roy 2012-12-25
8257112 Press-fit coupling joint for joining insulated conductors 2012-09-04
7093678 Method and apparatus for removing fluids from drill cuttings Owen Thomas Risher, Nolan Joseph Fitch, Michael David Billeaud, Ronald Charles Landry 2006-08-22
6931965 Portable pipe tong and method of use Robert P. Fanguy 2005-08-23
6681874 Method and apparatus for removing fluids from drill cuttings Owen Thomas Risher, Nolan Joseph Fitch, Michael David Billeaud, Ronald Charles Landry 2004-01-27