Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
LF

Leon Fan — 3 Patents

GLGlitsch: 1 patents #26 of 36Top 75%
KEKoch Enterprises: 1 patents #5 of 11Top 50%
Carrollton, TX: #380 of 1,041 inventorsTop 40%
Texas: #41,402 of 125,132 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Leon Fan has been granted 3 US patents while listed as an inventor at Glitsch. The first was granted in 1998 and the most recent in January 2006. Leon Fan ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Leon Fan in Carrollton, TX, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6981839 Wind powered turbine in a tunnel 2006-01-03
6003847 Downcomer for chemical process tower Adam T. Lee, Kuang-Yeu Wu, Larry W. Burton 1999-12-21
5762668 Apparatus and method for deentrainment in a chemical process tower Adam T. Lee, Kuang-Yeu Wu, Larry W. Burton 1998-06-09 $6,539,000