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

Daniel Cauvy — 2 Patents

ESElf Atochem S.A.: 1 patents #238 of 505Top 50%
NONorsolor: 1 patents #24 of 69Top 35%
Boulay, FR: #1 of 3 inventorsTop 35%
Overall (All Time): #2,311,463 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5143147 Cooling process associated with a process employing anhydrous hydrofluoric acid Francis Couget, Raymond Slota, Bernard Villemin 1992-09-01
4978776 Process for the manufacture of methyl methacrylate from isobutyric acid Samuel Yves 1990-12-18