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

Robert C. Greenlund

PTProcess Technology: 1 patents #4 of 9Top 45%
Hancock, MI: #26 of 46 inventorsTop 60%
Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,889,841 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5065416 On-line slurry ash monitoring system Melvin J. Laurila, Robert J. Brown 1991-11-12