Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Béthune, FR ranks #8,388 worldwide for total patents filed all time, with 259 patents from 79 inventors. Leading employers of inventors based in Béthune, FR include Roquette Freres, Transgene Sa, Thyssen Stahl Ag.

Showing 1–50 of 79 inventors

Rank Inventor Primary Company Patents
1 Michel Serpelloni Roquette Freres 36
2 Baptiste Boit Roquette Freres 21
3 Jean-Pierre Lecocq Transgene Sa 12
#4 Pierre Delassus Thyssen Stahl Ag 11
#5 Luc Vendeville Thyssen Stahl Ag 9
#5 Elie Ghenassia Atochem 9
#7 Jean-Claude Aubry Michelin 8
#8 Pierre Couderc Norsolor 7
#8 Gerard Hecquet Atofina 7
#8 Jean-François Henne CEA 7
#11 Jean-Marie Neyer Societe Chimique Des Charbonnages - Cdf Chimie 6
#11 Sophie Defretin Roquette Freres 6
#11 Jérôme DEMANGEOT Novares France 6
#11 Adrien Nicco Societe Chimique Des Charbonnages - Cdf Chimie 6
#15 Jean-Pierre Machon Societe Chimique Des Charbonnages - Cdf Chimie 5
#15 Jean-Marc Verrin Roquette Freres 5
#17 Jean-Claude Lumaret Roquette Freres 4
#17 Tariq Boukour Eblink Nv 4
#17 Jean-Christophe Choque Roquette Freres 4
#17 Frédéric Mazurier Usinor 4
#17 Thomas Erpicum Roquette Freres 4
#22 Brigitte Morese-Seguela Societe Chimique Des Charbonnages S.A. 3
#22 Michel Cornet Agence Nationale De Valorisation De La Recherche 3
#22 Marc Biguet Roquette Freres 3
#22 Olivier Boulet Diagast 3
#22 Francois Conrad Nippon Steel & Sumitomo Metal 3
#27 Hélène AMEDRO Roquette Freres 2
#27 Chrystel Brunet-Cambus Schlumberger Technology 2
#27 Christian Watellier 2
#27 Guy Ravalitera Agence Nationale De Valorisation De La Recherche 2
#27 Chrystel Cambus-Brunet Schlumberger Technology 2
#27 Serpelloni Michel Roquette Freres 2
#27 Rene Boidin Horiba Jobin Yvon Sas 2
#27 Marie Le Ruyet Corbion Biotech 2
#27 Stéphane Thomelin Valeo Equipements Electriques Moteur 2
#27 Andre Longuet Fives-Cail Babcock 2
#37 Jerome Klaeyle Roquette Freres 1
#37 Christophe Audoux Renault S.A.S. 1
#37 Stéphane Bourdain Roquette Freres 1
#37 Arnaud Delabergerie CEA 1
#37 Jean Podvin 1
#37 Aurelie Lammelin 1
#37 Aurélien BUTERI Aperam 1
#37 Merveille Nono Roquette Freres 1
#37 Coralie Parrens Aperam 1
#37 Raymond Brendel Roquette Freres 1
#37 Maxime Ingret Roquette Freres 1
#37 Paul W. Witwicki Charbonnages De France 1
#37 Serge Bonnefoi 1
#37 Edouard Piecuch Societe Chimique Des Charbonnages S.A. 1