Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RT

Robert Troncy — 2 Patents

RIRhone-Poulenc Industries: 2 patents #125 of 281Top 45%
Oullins, FR: #38 of 98 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert Troncy has been granted 2 US patents while listed as an inventor at Rhone-Poulenc Industries. The first was granted in 1980 and the most recent in January 1981. Robert Troncy ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert Troncy in Oullins, FR.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4247450 Compositions based on flameproofed polyamide Jacqueline Cerny 1981-01-27 $653,000
4187207 Flameproofed polyamide containing red phosphorous Jacqueline Cerny 1980-02-05 $1,274,000