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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Andy Patterson — 3 Patents in 2018

POProserv Operations: 3 patents #1 of 4Top 25%
Katy, TX: #25 of 334 inventorsTop 8%
Texas: #1,625 of 15,368 inventorsTop 15%
Overall (2018): #82,994 of 503,207Top 20%
3 Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10133282 Shuttle valve with durable soft seal Gerardo Martinez 2018-11-20
9915275 Stacked shuttle valve 2018-03-13
9880566 Dynamic variable orifice 2018-01-30