Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Patrick Joseph Corrigan — 27 Patents

The Procter & Gamble: 17 patents #662 of 10,133Top 7%
TIThe Iams: 4 patents #27 of 89Top 35%
MIMars, Incorporated: 3 patents #255 of 1,238Top 25%
Glendale, OH: #3 of 20 inventorsTop 15%
Ohio: #2,103 of 73,341 inventorsTop 3%
Overall (All Time): #145,729 of 4,157,543Top 4%
27 Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4931552 Production of polyol polyesters having reduced color content Michael Steven Gibson, Larry Nelson Hawkins, Marjorie Mossman Peffly, Corey James Kenneally 1990-06-05
4533648 Regeneration of copper chromite hydrogenation catalyst Richard M. King, Scott Alan Vandiest 1985-08-06