DS

David J. Speller

BT Baker Oil Tools: 4 patents #10 of 87Top 15%
SA Sc Asset: 4 patents #4 of 5Top 80%
CL Ctes, L.C.: 1 patents #3 of 5Top 60%
WE Weatherford/Lamb: 1 patents #476 of 852Top 60%
Overall (All Time): #442,239 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11946354 All-in-one system and related method for fracking and completing a well which automatically installs sand screens for sand control immediately after fracking Sean Campbell, Daniel Rojas 2024-04-02
11585201 All-in-one system and related method for fracking and completing a well which automatically installs sand screens for sand control immediately after fracking Sean Campbell, Daniel Rojas 2023-02-21
11578582 All-in-one system and related method for fracking and completing a well which automatically installs sand screens for sand control immediately after fracking Sean Campbell, Daniel Rojas 2023-02-14
11459867 All-in-one system and related method for fracking and completing a well which automatically installs sand screens for sand control immediately after fracking Sean Campbell, Daniel Rojas 2022-10-04
8590608 Method and apparatus for multilateral construction and intervention of a well Bryan Charles Linn 2013-11-26
6581681 Bridge plug for use in a wellbore Patrick J. Zimmerman, Danny W. Wagoner, Tyson Stafford 2003-06-24
5794703 Wellbore tractor and method of moving an item through a wellbore Kenneth R. Newman, Nelson A. Haver 1998-08-18
4576196 Unloading injection control valve Richard J. Ross 1986-03-18
4552218 Unloading injection control valve Richard J. Ross 1985-11-12
4498536 Method of washing, injecting swabbing or flow testing subterranean wells Richard J. Ross 1985-02-12
4485876 Valving apparatus for downhole tools 1984-12-04