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

Duane Kent — 3 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Holt, MO: #3 of 21 inventorsTop 15%
Missouri: #6,669 of 23,789 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Duane Kent has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 2004 and the most recent in November 2016. Duane Kent ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Duane Kent in Holt, MO, US.

Patents per Year

Patents granted per year, 2004 to 2016Bar chart with a peak of 1 patents in 2004.peak 12004: 1 patents20042005: 1 patents20052016: 1 patents2016

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9487011 Latch improvement for a printer supply Kirk Gold, Carl Thomas Ashley 2016-11-08
6904704 Manual dryer unit for self-service car wash James T. Morris, Dennis D. Evans 2005-06-14
6684529 Manual dryer unit for self-service car wash James T. Morris, Dennis D. Evans 2004-02-03