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

Charles F. Hoffman

ExxonMobil: 2 patents #3,932 of 10,161Top 40%
Neshanic Station, NJ: #56 of 120 inventorsTop 50%
New Jersey: #29,833 of 69,400 inventorsTop 45%
Overall (All Time): #2,248,036 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5932790 Clutch friction test for motorcycle lubricants Emil J. Meny, Patrick J. Colby, Roger K. Nibert 1999-08-03
5888948 Two-cycle lubricating oil Emil J. Meny 1999-03-30