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

Gregory Allan Land — 1 Patent

Honeywell: 1 patents #7,507 of 14,447Top 55%
Chicago, IL: #7,538 of 13,327 inventorsTop 60%
Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,064,806 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9101904 Air purification system using ultraviolet light emitting diodes and photocatalyst-coated supports Stephen Yates 2015-08-11