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

Arthur M. Kepler — 3 Patents

ESEssef: 1 patents #17 of 36Top 50%
Atwater, OH: #19 of 47 inventorsTop 45%
Ohio: #23,545 of 73,341 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Arthur M. Kepler has been granted 3 US patents while listed as an inventor at Essef. The first was granted in 1986 and the most recent in February 1991. Arthur M. Kepler ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Arthur M. Kepler in Atwater, OH, US.

Patents per Year

Patents granted per year, 1986 to 1991Bar chart with a peak of 1 patents in 1986.peak 11986: 1 patents19861988: 1 patents19881991: 1 patents1991

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4994132 Method and apparatus for attaching an insert in a hollow body Michel Liekens, Edward T. LeBreton 1991-02-19 $478,000
4785956 Tank fitting for a filament-wound vessel Edward T. LeBreton, Clyde W. Groves 1988-11-22 $418,000
4595037 Split tank closure and diaphragm assembly Edward T. LeBreton, Clyde W. Groves 1986-06-17