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

Daniel F. Alexander — 1 Patent

STScroll Technologies: 1 patents #31 of 60Top 55%
Sparkman, AR: #1 of 2 inventorsTop 50%
Arkansas: #2,854 of 5,804 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Daniel F. Alexander has been granted 1 US patent while listed as an inventor at Scroll Technologies. All of these patents were granted in 2007. Daniel F. Alexander ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Daniel F. Alexander in Sparkman, AR, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7261527 Compressor check valve retainer Jay Andrew Herbert, Carlos Zamudio 2007-08-28