Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Max L. Flack — 2 Patents

BLBest Lock: 2 patents #13 of 33Top 40%
Indianapolis, IN: #2,159 of 5,011 inventorsTop 45%
Indiana: #13,817 of 33,936 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Max L. Flack has been granted 2 US patents while listed as an inventor at Best Lock. All of these patents were granted in 1981. Max L. Flack ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Max L. Flack in Indianapolis, IN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4294093 Pin tumbler lock with pull-resistant key plug Walter E. Best, William R. Foshee 1981-10-13
4262507 Cylinder lock with hotel function William G. Roos 1981-04-21