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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Allenfeld, DE ranks #38,531 worldwide for total patents filed all time, with 20 patents from 1 inventor. Leading employers of inventors based in Allenfeld, DE include Schott Ag.

Showing 1–1 of 1 inventors

Rank Inventor Primary Company Patents
1 Gerhard Hahn Schott Ag 20

Part of Delaware