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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Zülpich, DE ranks #7,105 worldwide for total patents filed in 2021, with 13 patents from 3 inventors. Leading employers of inventors based in Zülpich, DE include Wirtgen Gmbh, Enthone Gmbh, Nouryon Chemicals International B.V..

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Christian Berning Wirtgen Gmbh 11
2 Franz-Josef Stark Enthone Gmbh 1
2 Theodor Johannes Stanitzek Nouryon Chemicals International B.V. 1