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

David Hammock — 1 Patent

Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
Sugar Land, TX: #1,235 of 1,869 inventorsTop 70%
Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,220,813 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8255816 Modifying a magnified field model Phil Hodgson, Tedros Kifle, Glen Lillehammer, Randolph E. F. Pepper, Tram Thi Nhat Tran +1 more 2012-08-28