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

John C. Wolf — 16 Patents

Schlumberger Technology: 4 patents #1,558 of 7,293Top 25%
SISmith International: 4 patents #147 of 708Top 25%
MLM-I L.L.C.: 2 patents #116 of 369Top 35%
ABAbrado: 2 patents #2 of 11Top 20%
NVNational Oilwell Varco: 1 patents #240 of 551Top 45%
MLM-I Drilling Fluids Uk Limited: 1 patents #27 of 53Top 55%
NVNational Oilwell Vareo: 1 patents #2 of 16Top 15%
Houston, TX: #1,302 of 21,073 inventorsTop 7%
Texas: #9,006 of 125,132 inventorsTop 8%
Overall (All Time): #290,420 of 4,157,543Top 7%
16 Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12180805 Flotation apparatus for providing buoyancy to tubular members Mahesha Kumar, Aju Abraham, William Lynn Beason, Michael S. Brackin 2024-12-31
11002104 Plug assemblies for a subterranean wellbore Aju Abraham, Brian Paul Brubaker 2021-05-11
10392904 Lateral junction for use in a well Lance M. Rayne 2019-08-27
10344563 Multi-bar scraper for cleaning marine risers and wellbores Alexander Esslemont, Benny Silguero 2019-07-09
10321665 System for controlled heating and ventilation of livestock structures 2019-06-18
10072491 Method and apparatus for well bore illumination and inspection Christopher Meyers, MARSHAL HARRIS, PHILIP SCHULTZ, Bruce Beacom 2018-09-11
9848586 System and method for environmental control 2017-12-26
9404330 Method and apparatus for a well employing the use of an activation ball Tracy Speer, Piro Shkurti 2016-08-02
9394763 Multilateral location and orientation assembly Michael Plooy, Victor Fridman, Hanif Hunter, Barton Sponchia, Lance M. Rayne 2016-07-19
9181778 Multiple ball-ball seat for hydraulic fracturing with reduced pumping pressure Jose Hurtado 2015-11-10
9045963 High pressure and high temperature ball seat Piro Shkurti 2015-06-02
8826986 Downhole scraper 2014-09-09
8800660 Debris catcher for collecting well debris Craig Fishbeck 2014-08-12
8701787 Metal expandable element back-up ring for high pressure/high temperature packer Piro Shkurti 2014-04-22
8672025 Downhole debris removal tool George Telfer, James Edward Atkins 2014-03-18
8469088 Drillable bridge plug for high pressure and high temperature environments Piro Shkurti 2013-06-25