Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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MATTHEW CHRISTOPHER BARRA — 2 Patents

CLClearflow: 2 patents #17 of 31Top 55%
Leominster, MA: #117 of 286 inventorsTop 45%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
MATTHEW CHRISTOPHER BARRA has been granted 2 US patents while listed as an inventor at Clearflow. The first was granted in 2019 and the most recent in December 2024. MATTHEW CHRISTOPHER BARRA ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list MATTHEW CHRISTOPHER BARRA in Leominster, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12171952 Medical tube clearance device KATHRYN BERNADINE O'KEEFE, Stephen R. McDaniel, Edward M. Boyle, Jr., Kenneth Allan Beres, THOMAS URBANIK +2 more 2024-12-24
10471189 Medical tube clearance device KATHRYN BERNADINE O'KEEFE, Stephen R. McDaniel, Edward M. Boyle, Jr., Kenneth Allan Beres, THOMAS URBANIK +2 more 2019-11-12