Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Brett O'Brien — 3 Patents

CECox Engineering: 3 patents #1 of 12Top 9%
Plymouth, MA: #55 of 198 inventorsTop 30%
Massachusetts: #33,867 of 88,656 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Brett O'Brien has been granted 3 US patents while listed as an inventor at Cox Engineering. The first was granted in 2002 and the most recent in April 2017. Brett O'Brien ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Brett O'Brien in Plymouth, MA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9625175 Curb adapter Jon Desmond, Brennan Richard, Harold O. Seymour, Dave Fostello 2017-04-18
9134040 Curb adapter Jon Desmond, Brennan Richard, Harold O. Seymour, Dave Fostello 2015-09-15
6346041 Economizer John Desmond, Rumen N. Raykov, Benjamin J. Kalinowski, Richard J. Rummo, William J. Cleary +1 more 2002-02-12