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

Douglas E. Handly

Caterpillar: 2 patents #2,982 of 8,398Top 40%
Morton, IL: #106 of 245 inventorsTop 45%
Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,181,187 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6907851 Engine valve actuation system Travis E. Barnes, Judson R. Bruce, Sean O. Cornell, Scott Leman, David M. Milam +2 more 2005-06-21
6484696 Model based rail pressure control for variable displacement pumps Travis E. Barnes, Michael S. Lukich, David M. Milam, George M. Matta, Denis El Darazi +2 more 2002-11-26