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

ACAcd: 2 patents #3 of 21Top 15%
Irvine, CA: #2,493 of 6,241 inventorsTop 40%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
John Park has been granted 3 US patents while listed as an inventor at Acd. The first was granted in 2018 and the most recent in March 2025. John Park ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John Park in Irvine, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12241552 Turboexpander labyrinth seal Duane Bergmann, Asit Singhal, Geoff Legg 2025-03-04
11686390 Turboexpander labyrinth seal Duane Bergmann, Asit Singhal, Geoff Legg 2023-06-27
10056184 Segmented core cap system for toroidal transformers Madison Daily 2018-08-21

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