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

David Tan

FIFlow International: 2 patents #42 of 96Top 45%
HP: 1 patents #8,774 of 16,619Top 55%
Seattle, WA: #8,251 of 21,776 inventorsTop 40%
Washington: #27,877 of 76,902 inventorsTop 40%
Overall (All Time): #1,612,877 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6645665 Battery retainer Chee Seng Aw, Christoper Leitao, Eng Seng Lim 2003-11-11
5050895 High pressure dynamic seal Mohamed A. Hashish, John H. Olsen, Anton H. Buchberger, Olivier L. Tremoulet, Jr., Sigurd C. Mordre 1991-09-24
5037277 Poppet valve for a high pressure fluid pump 1991-08-06