DC

David Close

EL Exploration Logging: 1 patents #6 of 15Top 40%
Overall (All Time): #544,785 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11952881 Method for drilling with projections based on adjusted Kalman Filters George W. Troy 2024-04-09
9885232 Method for determining position with improved calibration with opposing sensors George W. Troy 2018-02-06
9745843 Method for determining position with improved calibration George W. Troy 2017-08-29
8824241 Method for a pressure release encoding system for communicating downhole information through a wellbore to a surface location Paul R. Deere 2014-09-02
8467268 Pressure release encoding system for communicating downhole information through a wellbore to a surface location 2013-06-18
7881155 Pressure release encoding system for communicating downhole information through a wellbore to a surface location 2011-02-01
7646310 System for communicating downhole information through a wellbore to a surface location 2010-01-12
6944545 System and method for determining the inclination of a wellbore Steve Cratus OWENS 2005-09-13
4903245 Downhole vibration monitoring of a drillstring Steven C. Owens, Trevor Pugh 1990-02-20