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

Douglas E. Harbert — 3 Patents

Denver, CO: #1,276 of 4,554 inventorsTop 30%
Colorado: #13,288 of 40,980 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Douglas E. Harbert has been granted 3 US patents. The first was granted in 2000 and the most recent in December 2006. Douglas E. Harbert ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Douglas E. Harbert in Denver, CO, US.

Patents per Year

Patents granted per year, 2000 to 2006Bar chart with a peak of 1 patents in 2000.peak 12000: 1 patents20002001: 1 patents20012006: 1 patents2006

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7148455 Microwave moisture analyzer: apparatus and method Robert F. Scalese, Thomas Taylor, Tim Holzschuh, Thomas Plaven, Martin Lee Maple +1 more 2006-12-12
6247246 Microwave moisture analyzer: apparatus and method Robert F. Scalese, Thomas Taylor, Tim Holzschuh, Thomas G. Playen, Martin Lee Maple +1 more 2001-06-19
6092924 Microwave moisture analyzer: apparatus and method Robert F. Scalese, Thomas Taylor, Tim Holzschuh, Thomas Plaven, Martin Lee Maple +1 more 2000-07-25