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

Claude A. Rankin

CDControl Data: 1 patents #56 of 192Top 30%
Columbia, MD: #858 of 1,501 inventorsTop 60%
Maryland: #19,431 of 35,612 inventorsTop 55%
Overall (All Time): #3,681,345 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5740035 Self-administered survey systems, methods and devices Gerald B. Cohen, Louis W. Conley, Roberta M. McConochie, Robert H. Patchen, James D. Peacock +1 more 1998-04-14