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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kirkel, DE ranks #21,573 worldwide for total patents filed all time, with 58 patents from 21 inventors. Leading employers of inventors based in Kirkel, DE include Hydac Filtertechnik Gmbh, Sap Ag, Hydac Electronic Gmbh.

Showing 1–21 of 21 inventors

Rank Inventor Primary Company Patents
1 Matthias Schwender Hydac Filtertechnik Gmbh 10
2 Thomas Gabelmann Sap Ag 6
3 Wolfgang Sattler Sap Ag 5
3 Patrik Fuchs Hydac Electronic Gmbh 5
3 Robert Hansohn Hoechst Trespaphan Gmbh 5
3 Olaf Binkle Itn Nanovation Ag 5
3 Franz Wolpers Thyssenkrupp Industrial Solutions Ag 5
#8 Martin Zwifka Tadano Demag Gmbh 2
#8 Ramon Junker Robert Bosch Gmbh 2
#8 Mohammad Jilavi Leibniz-Institut Für Neue Materialien Gemeinnützige Gmbh 2
#11 Christian Vogelgesang Schaeffler 1
#11 Claudia Wetzstein Hydac Cooling Gmbh 1
#11 Matthias Hopfeld 1
#11 Herbert Jakoby 1
#11 Thilo Regitz Robert Bosch Gmbh 1
#11 Bernd Rinke Ruprecht - Karls - Universität Heidelberg 1
#11 Anette Lucks-Baus Sap Ag 1
#11 Ditmar Georgi Hydac Cooling Gmbh 1
#11 Achim Lehmann Sap Ag 1
#11 Sascha Kiefer Sap Se 1
#11 Stefan Keck Thinxxs Microtechnology Gmbh 1