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

John Highfield — 3 Patents

Heath, OH: #17 of 48 inventorsTop 40%
Ohio: #23,545 of 73,341 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
John Highfield has been granted 3 US patents. The first was granted in 1987 and the most recent in January 2013. John Highfield ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John Highfield in Heath, OH, US.

Patents per Year

Patents granted per year, 1987 to 2013Bar chart with a peak of 1 patents in 1987.peak 11987: 1 patents19872009: 1 patents20092013: 1 patents2013

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8359994 Retractable pontoon boat cover 2013-01-29
7484472 Retractable pontoon boat cover 2009-02-03
D293047 Combined seat and container 1987-12-08