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

David E. Harhay — 3 Patents

RERedicon: 1 patents #5 of 12Top 45%
Uniontown, OH: #136 of 373 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
David E. Harhay has been granted 3 US patents while listed as an inventor at Redicon. The first was granted in 1999 and the most recent in March 2016. David E. Harhay ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David E. Harhay in Uniontown, OH, US.

Patents per Year

Patents granted per year, 1999 to 2016Bar chart with a peak of 1 patents in 1999.peak 11999: 1 patents19992000: 1 patents20002016: 1 patents2016

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9279502 Fill valve apparatus Edward A. Dray, Naethan Eagles, Christopher Scott Eddinger 2016-03-08
6035752 Scrap cutter assembly Richard A. Mackey 2000-03-14
5896795 Scrap cutter assembly Richard A. Mackey 1999-04-27