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

Frederick J. Cornforth — 3 Patents

PPPhillips Petroleum: 3 patents #683 of 2,260Top 35%
Sweeny, TX: #9 of 34 inventorsTop 30%
Texas: #41,402 of 125,132 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Frederick J. Cornforth has been granted 3 US patents while listed as an inventor at Phillips Petroleum. The first was granted in 1994 and the most recent in September 1997. Frederick J. Cornforth ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Frederick J. Cornforth in Sweeny, TX, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5672793 Stabilization of hydrocarbons by the addition of hydrazine Joseph E. Bares, Byron G. Johnson 1997-09-30 $68,901,000
5470457 Stabilization of hydrocarbons by the addition of hydrazine Joseph E. Bares, Byron G. Johnson 1995-11-28 $13,972,000
5319091 Process for sulfur containing derivatives of hydroxyphenyl/benzotriazoles Paul J. DesLauriers, Paritsoh K. Das, Darryl R. Fahey 1994-06-07 $15,351,000