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

Nancy H. Choi

ExxonMobil: 4 patents #2,507 of 10,161Top 25%
Dallas, TX: #1,890 of 7,543 inventorsTop 30%
Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,080,193 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12281558 Methods of stimulating a hydrocarbon well James B. Thomas, Owen J. Hehmeyer, Erik N. English, Eric R. Grueschow 2025-04-22
11852002 Methods of stimulating a hydrocarbon well James B. Thomas, Owen J. Hehmeyer, Erik N. English, Eric R. Grueschow 2023-12-26
11512572 Methods of stimulating a hydrocarbon well James B. Thomas, Owen J. Hehmeyer, Erik N. English, Eric R. Grueschow 2022-11-29
9057261 System and method for fracturing rock in tight reservoirs Clifford C. Walters, Michael E. McCracken, Jeff H. Moss 2015-06-16