Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Stephen M. Singer — 4 Patents

Caterpillar: 4 patents #1,659 of 8,398Top 20%
Peoria, IL: #459 of 1,769 inventorsTop 30%
Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,272,479 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6386654 Protective cover for guide blocks Robert J. Grob, Sean C. McGinnis, Kristine R. Steiner 2002-05-14
H1928 High viscosity, solvent resistant, thermoset polyetherpolyurethane and A 2000-12-05
5599874 Thermoplastic polyurethane elastomer based on a hydroxyl terminated polyol, an aromatic chain extender and 1,5 naphthalene diisocyanate Mark T. Allott 1997-02-04
5468835 Polyetherpolyurethane end caps for oil filters 1995-11-21