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

Robert S. Barnum

EXExxonMobil: 1 patents #5,661 of 10,161Top 60%
Sugar Land, TX: #1,235 of 1,869 inventorsTop 70%
Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,507,389 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6543535 Process for stimulating microbial activity in a hydrocarbon-bearing, subterranean formation David R. Converse, Stephen M. Hinton, Glenn B. Hieshima, Mohankumar Sowlay 2003-04-08