Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
VA

Vallourec

Rank (All Time): #18,667 of 106,127Top 20%
33 inventors
34 Patents All Time

Top Inventors at Vallourec All Time

Showing 1–33 of 33 inventors

RankNamePatents
1 Bernard Plaquin 7
2 Michel Douchy 5
2 Pierre Peytavin 5
2 Andre Gueussier 5
#5 Edmond Vachiery 4
#6 Louis Fradin 3
#6 Marcel Garnier 3
#6 Michel Giroutru 3
#6 Paul Bounie 3
#6 Rene Moreau 3
#6 Roland Ernst 3
#12 Didier Grare 2
#12 Jean-Louis Tranchant 2
#12 Michel Jehan 2
#15 Claude Blanquet 1
#15 Herv/e/ Salkin 1
#15 Jacques Verdickt 1
#15 Jean-Jacques Breton 1
#15 Jean-Jacques Delfino 1
#15 Jean Mantelle 1
#15 Maurice Prevot 1
#15 Raymond Deslande 1
#15 Roland Marie 1
#15 Philippe Malicet 1
#15 Francois G. Grandemange 1
#15 Jean-Paul Depret 1
#15 Yves Lebreton 1
#15 Philippe Perineau 1
#15 Patrick Lambay 1
#15 Michel Locoge 1
#15 Didier Bonjean 1
#15 Bernard Begue 1
#15 Pierre R. Fillet 1