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

Ray Caughern — 1 Patent

Heavener, OK: #1 of 1 inventorsTop 100%
Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,280,322 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7670098 Machine to unload ties off of railroad cars 2010-03-02