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

Fred E. Knoffsinger — 1 Patent

EGEnerco Group: 1 patents #12 of 25Top 50%
Pleasant Gap, PA: #6 of 12 inventorsTop 50%
Pennsylvania: #43,533 of 74,527 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Fred E. Knoffsinger has been granted 1 US patent while listed as an inventor at Enerco Group. All of these patents were granted in 1982. Fred E. Knoffsinger ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Fred E. Knoffsinger in Pleasant Gap, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4329202 Continuous heating process for producing char from cellulosic material Eugene W. White, Francis Gross 1982-05-11 $64,000