Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Allan Maass

San Jose, CA: #22,480 of 32,062 inventorsTop 75%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,905,974 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4936953 Cold trap vapor control device John A. Abbott, William C. McGeehon 1990-06-26