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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Differdange, LU ranks #23,524 worldwide for total patents filed all time, with 50 patents from 26 inventors. Leading employers of inventors based in Differdange, LU include Wahl Gmbh, Paul Wurth S.A., Arbed S.A..

Showing 1–26 of 26 inventors

Rank Inventor Primary Company Patents
1 Carine Collé Wahl Gmbh 6
2 Norbert Kaell Paul Wurth S.A. 5
2 Jean-Jacques Venturini Paul Wurth S.A. 5
2 Lucien Lorang Arbed S.A. 5
#5 Aloyse Hermes Arcelormittal Investigación Y Desarrollo, S.L. 4
#6 Severino Venturini Paul Wurth S.A. 3
#7 L. Lorang Institut De Recherches De La Siderurgie Francaise (Irsid) 2
#7 Sanel Imamovic Iee International Electronics & Engineering S.A. 2
#9 Jorg Brinckmann Paul Wurth S.A. 1
#9 Serge Backendorf Iee International Electronics & Engineering S.A. 1
#9 Pierre Michels Profilarbed S.A. 1
#9 Victor Bleser Arbed S.A. 1
#9 Carlo Panunzi Arbed S.A. 1
#9 Joseph Koster Arbed S.A. 1
#9 Albert Zenner Arbed S.A. 1
#9 Joseph Colon Arbed S.A. 1
#9 Raymond Linden Arbed S.A. 1
#9 Tom Reichert 1
#9 Andrea Müller-Grunz Hilti Aktiengesellschaft 1
#9 Loic Gandolfi Delphi Automotive Systems Luxembourg Sa 1
#9 Stefano Beni Paul Wurth S.A. 1
#9 Slawomir Kedziora Delphi Technologies 1
#9 Bodgan Serban I.E.E. International Electronics & Engineering S.Ar.L. 1
#9 Pascal Ferretti Paul Wurth S.A. 1
#9 Marc Klees Profilarbed S.A. 1
#9 Marcel Van Puyenbroeck 1