Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Épernon, FR ranks #16,380 worldwide for total patents filed all time, with 92 patents from 24 inventors. Leading employers of inventors based in Épernon, FR include Valeo Climatisation, Freyssinet International (Stup), Delphi International Operations Luxembourg S.A.R.L..

Showing 1–24 of 24 inventors

Rank Inventor Primary Company Patents
1 Philippe Vincent Valeo Climatisation 35
2 Pierre Jartoux Freyssinet International (Stup) 8
3 Aymeric Perot Delphi International Operations Luxembourg S.A.R.L. 6
#4 Alban Godefroy 5
#5 Bernard Amelot Freyssinet International (Stup) 4
#5 Remi Collin B. Braun Medical Sas 4
#7 Marcel Guyot CNRS 3
#7 Francis Diancourt Société De Conseils De Recherches Et D'Applications Scientifiques (S.C.R.A.S) Sas 3
#7 Bastien WITTIG Corwave Sa 3
#7 Frederic Greus Arteris 3
#11 Claude Parmentier Freyssinet International (Stup) 2
#11 Georges Grenier Laboratoires Pharmascience 2
#11 Johann Dreo Thales 2
#11 Arnaud Duquesne Delphi International Operations Luxembourg S.A.R.L. 2
#15 Emilie Fretigny Aptiv Technologies Ag 1
#15 Gérard Huss 1
#15 Philipe Vincent Valeo Systemes Thermiques 1
#15 Antoine Meley 1
#15 Raymond Chastagnoi 1
#15 Dominique E. Desourteaux 1
#15 Michel Deprez 1
#15 David Jeandet 1
#15 Franck Chamaux Fillon Investissement, S.A. 1
#15 Antoine Peron Framatome Connectors International 1