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

John W. Rowan — 2 Patents

EDEnergy Development: 2 patents #8 of 45Top 20%
Stamford, CT: #614 of 1,447 inventorsTop 45%
Connecticut: #15,713 of 34,797 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
John W. Rowan has been granted 2 US patents while listed as an inventor at Energy Development. The first was granted in 1983 and the most recent in August 1985. John W. Rowan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John W. Rowan in Stamford, CT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4534833 Zinc-chloride battery in a chlorine producing/consuming plant Peter Carr 1985-08-13
4414292 Metal halogen battery system Jozef Kiwalle, James H. Galloway 1983-11-08