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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Siegburg, DE ranks #7,993 worldwide for total patents filed in 2021, with 11 patents from 9 inventors. Leading employers of inventors based in Siegburg, DE include Gkn Sinter Metals Engineering Gmbh, Speira Gmbh, Evonik Functional Solutions Gmbh.

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Antonio Casellas Gkn Sinter Metals Engineering Gmbh 3
2 Mark Badowski Speira Gmbh 1
2 Jutta Malter Evonik Functional Solutions Gmbh 1
2 Katrin Konieczny Vitesco Technologies Gmbh 1
2 Volker Rene Ruiters Gkn Automotive Limited 1
2 Matthias Brück Wirtgen Gmbh 1
2 Christine Schuberth-Wagner Rheinische Friedrich-Wilhems-Universitaet Bonn 1
2 Lars Etschenberg Hennecke Gmbh 1
2 Holger Seidl Gkn Automotive Limited 1