Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Kelli A. O'Brien — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
BCBiomass Controls: 1 patents #2 of 6Top 35%
Putnam, CT: #15 of 35 inventorsTop 45%
Connecticut: #15,713 of 34,797 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Kelli A. O'Brien has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2018 and the most recent in May 2020. Kelli A. O'Brien ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Kelli A. O'Brien in Putnam, CT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10648739 Controller with clinker agitator control for biofuel-fired furnace Jeffrey R. Hallowell, Jessica M. Peterson 2020-05-12
10139166 Fuel feed and air feed controller for biofuel-fired furnace Jeffrey R. Hallowell, Jessica M. Peterson 2018-11-27