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

John E. Kroger — 2 Patents

CECelotex: 2 patents #27 of 77Top 40%
Centerville, OH: #299 of 668 inventorsTop 45%
Ohio: #30,551 of 73,341 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John E. Kroger has been granted 2 US patents while listed as an inventor at Celotex. The first was granted in 1981 and the most recent in June 1982. John E. Kroger ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John E. Kroger in Centerville, OH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4336749 Fan housing unit and mounting device therefor David A. Barnhart, David Walters 1982-06-29
4266528 Ducted/ductless range hood David A. Barnhart, Ronald L. Britt, David Walters 1981-05-12