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

Douglas A. Harp — 3 Patents

Abbott: 3 patents #1,951 of 5,431Top 40%
Westerville, OH: #186 of 636 inventorsTop 30%
Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,597,563 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D502108 Container Melissa J. Gamel, R. Peter Macauley, Elwood L. Stokesbury, John G. Barca, Jay Z. Yuan 2005-02-22
D497551 Container and cap Melissa J. Gamel, R. Peter Macauley, Elwood L. Stokesbury, John G. Barca, Jay Z. Yuan 2004-10-26
5488811 On-line air filter integrity testing apparatus Jianjun Wang, Douglas OSBORN, Billy D. Cornelius 1996-02-06