Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AP

Andy Patterson

POProserv Operations: 9 patents #2 of 9Top 25%
PVProserv Gilmore Valve: 6 patents #1 of 6Top 20%
Katy, TX: #161 of 2,042 inventorsTop 8%
Texas: #9,719 of 125,132 inventorsTop 8%
Overall (All Time): #313,184 of 4,157,543Top 8%
15 Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12072032 Pressure relief valve with bi-directional seat Gerardo Martinez, Preston Weintraub 2024-08-27
11828370 Check valve with conforming seat 2023-11-28
11686402 Pressure relief valve with bi-directional seat Gerardo Martinez, Preston Weintraub 2023-06-27
11261982 Pressure relief valve with bi-directional seat Gerardo Martinez, Preston Weintraub 2022-03-01
11209096 Bilateral and throttling directional control valve 2021-12-28
10739796 Pressure regulator with reconfigurable hydraulic dampening Gerardo Martinez 2020-08-11
10670155 Latching poppet valve 2020-06-02
10633951 Pressure regulator with user selectable dampening Gerardo Martinez 2020-04-28
10487951 Non-interflow directional control valve 2019-11-26
10385982 Robust in-line valve Preston Weintraub, Billy W. Pilant, Jr. 2019-08-20
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
9719600 Hard swap shuttle valve 2017-08-01
9657850 High performance subsea pressure regulator 2017-05-23