TT

Tu Tien Trinh

BH Baker Hughes Holdings: 2 patents #84 of 500Top 20%
📍 Houston, TX: #214 of 1,583 inventorsTop 15%
🗺 Texas: #1,743 of 11,512 inventorsTop 20%
Overall (2011): #60,303 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7987925 Method and apparatus for collecting drill bit performance data Paul E. Pastusek, Eric C. Sullivan, Daryl L. Pritchard, R. Keith Glasgow, Jr., Paul J. Lutes 2011-08-02
7946357 Drill bit with a sensor for estimating rate of penetration and apparatus for using same Eric C. Sullivan, Daryl L. Pritchard 2011-05-24