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USPTO Patent Rankings Data through Dec 31, 2025
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Paul Gregory O'Brien — 2 Patents

UNUnknown: 6 patents #2,010 of 83,584Top 3%
Toronto, CA: #3,540 of 9,482 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Paul Gregory O'Brien has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2015 and the most recent in June 2018. Paul Gregory O'Brien ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Paul Gregory O'Brien in Toronto, ON, CA.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9999870 Nanostructured solar selective catalytic supports Geoffrey Alan Ozin 2018-06-19
9139917 Transparent conductive porous nanocomposites and methods of fabrication thereof Daniel Patrick Puzzo, Nazir Pyarali Kherani, Geoffrey Alan Ozin, Alongkarn Chutinan, Zheng Lu +1 more 2015-09-22