Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JS

Joseph D. Scranton

Schlumberger Technology: 6 patents #1,057 of 7,293Top 15%
DIDowell Schlumberger Incorporated: 3 patents #10 of 148Top 7%
Tulsa, OK: #179 of 2,344 inventorsTop 8%
Oklahoma: #1,188 of 12,736 inventorsTop 10%
Overall (All Time): #575,019 of 4,157,543Top 15%
9 Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9062514 Downhole valve Kamil Ifitkhar, Colin Longfield 2015-06-23
8839868 Subsea control system with interchangeable mandrel Tauna Leonardi, John Skaggs, John Yarnold, John A. Kerr 2014-09-23
8336629 Method and system for running subsea test tree and control system without conventional umbilical Vladimir Vaynshteyn 2012-12-25
8002041 Accumulator for subsea equipment Tauna Leonardi 2011-08-23
7984764 Accumulator for subsea equipment Tauna Leonardi 2011-07-26
7628207 Accumulator for subsea equipment Tauna Leonardi 2009-12-08
5069280 Gravel packer and service tool L. Michael McKee, Robert L. Brookey, Derrel G. Gurley, Ernie Sodich 1991-12-03
4862957 Packer and service tool assembly 1989-09-05
4660637 Packer and service tool assembly Howard L. McGill 1987-04-28