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

Joseph E. Kovacic — 1 Patent

KOKoppers: 1 patents #44 of 126Top 35%
Pittsburgh, PA: #4,609 of 7,570 inventorsTop 65%
Pennsylvania: #43,533 of 74,527 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Joseph E. Kovacic has been granted 1 US patent while listed as an inventor at Koppers. All of these patents were granted in 1984. Joseph E. Kovacic ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Joseph E. Kovacic in Pittsburgh, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4452670 Method and apparatus for recovering preheater coal fines Michael Perch, Bernard R. Kuchta 1984-06-05 $4,080,000