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

John J. Jahn — 2 Patents

ESEltech Systems: 2 patents #57 of 162Top 40%
Painesville, OH: #118 of 292 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 J. Jahn has been granted 2 US patents while listed as an inventor at Eltech Systems. The first was granted in 2001 and the most recent in June 2003. John J. Jahn ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John J. Jahn in Painesville, OH, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6582571 Diaphragm cell cathode structure Richard L. Romine, Thomas F. Florkiewicz, Gerald R. Pohto 2003-06-24
6328860 Diaphragm cell cathode busbar structure Richard L. Romine, Thomas F. Florkiewicz, Gerald R. Pohto 2001-12-11