Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John Plourde — 3 Patents

PTProtonex Technology: 1 patents #31 of 48Top 65%
Weare, NH: #18 of 67 inventorsTop 30%
New Hampshire: #4,183 of 12,181 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
John Plourde has been granted 3 US patents while listed as an inventor at Protonex Technology. The first was granted in 2017 and the most recent in February 2018. John Plourde ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John Plourde in Weare, NH, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9891015 Magnetic shield for a solenoid operated locking device Tibor Kalman Zalavari 2018-02-13
9791230 Magnetic shield for a solenoid operated locking device Tibor Kalman Zalavari 2017-10-17
9640965 Cable gland assembly David N. Long, Paul Kimball, Dat Van Nguyen, Joshua E. Persky, Nicholas J. Piela 2017-05-02