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

Edward L. Stapleton

Caterpillar: 2 patents #2,982 of 8,398Top 40%
Joliet, IL: #109 of 318 inventorsTop 35%
Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,162,650 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7293494 Expandable hydraulic valve stack Christopher MORENCY, Wesley Thomas Payne 2007-11-13
4977928 Load sensing hydraulic system Glenn Smith 1990-12-18