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USPTO Patent Rankings Data through Dec 31, 2025
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Luc Devocelle — 3 Patents

RURoussel Uclaf: 3 patents #127 of 430Top 30%
Saint-Gratien, FR: #10 of 44 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Luc Devocelle has been granted 3 US patents while listed as an inventor at Roussel Uclaf. The first was granted in 1994 and the most recent in September 1995. Luc Devocelle ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Luc Devocelle in Saint-Gratien, FR.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5451690 Lambda-1,4-pregnadiene-3,20-diones Philippe Mackiewicz 1995-09-19
5434258 .delta..sup.1,4 -pregnadiene-3,20-diones Philippe Mackiewicz 1995-07-18
5310896 Process for preparing .DELTA..sup.1,4 -pregnadiene-3,20-diones Philippe Mackiewicz 1994-05-10