HI

Herbert M. J. Illfelder

SI Smith International: 2 patents #259 of 708Top 40%
HS Halliburton Energy Services: 1 patents #2,863 of 4,711Top 65%
PS Pathfinder Energy Services: 1 patents #13 of 21Top 65%
📍 Houston, TX: #5,364 of 21,073 inventorsTop 30%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,239,764 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8010290 Method of optimizing a well path during drilling 2011-08-30
7617049 Distance determination from a magnetically patterned target well Graham A. McElhinney 2009-11-10
7080460 Determining a borehole azimuth from tool face measurements 2006-07-25
5867806 System and method for performing inversion on LWD resistivity logs with enhanced resolution Robert W. Strickland, Gulamabbas Merchant, Charles Jackson 1999-02-02