Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Howard J. Tu — 1 Patent

The Boeing: 1 patents #8,242 of 15,756Top 55%
Seattle, WA: #14,120 of 21,776 inventorsTop 65%
Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #2,992,762 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9296467 Pressure test door for use with a fuel tank Justin D. Hollibaugh, William F. Williams, Melissa M. Linscott, Martin D. Reynoldson, James Martin 2016-03-29