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

Gerald N. Shields

GRGraymills: 4 patents #1 of 10Top 10%
Chicago, IL: #2,115 of 13,327 inventorsTop 20%
Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #873,190 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7165494 System and method for delivering and flushing ink and other liquids in a printing press 2007-01-23
6688225 System for cooling ink and other liquids on a printing press 2004-02-10
5307840 Ink tank/pump system Kenneth Luedtke 1994-05-03
D332720 Combined coffee maker and cup 1993-01-26
5122032 Disposable pump assembly Brian Kent 1992-06-16
4662030 Viscosity control Albert A. Cooper 1987-05-05