Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Purushoth Kesavan — 2 Patents

QUQuestech: 2 patents #5 of 25Top 20%
Franklin Square, NY: #16 of 82 inventorsTop 20%
New York: #49,169 of 115,490 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Purushoth Kesavan has been granted 2 US patents while listed as an inventor at Questech. The first was granted in 2020 and the most recent in August 2023. Purushoth Kesavan ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Purushoth Kesavan in Franklin Square, NY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11739234 Natural stone sealer compositions Barry Culkin, Roger Questel, Robert Harrington, Douglas Croteau, Paul Thottathil +2 more 2023-08-29
10532956 Natural stone sealer compositions Barry Culkin, Roger Questel, Robert Harrington, Douglas Croteau, Paul Thottathil +2 more 2020-01-14