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USPTO Patent Rankings Data through Dec 31, 2025
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Mark Serbu — 6 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Tampa, FL: #393 of 2,931 inventorsTop 15%
Florida: #9,271 of 67,251 inventorsTop 15%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Mark Serbu has been granted 6 US patents while listed as an inventor at Unknown. The first was granted in 2015 and the most recent in February 2025. Mark Serbu ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Mark Serbu in Tampa, FL, US.

Patents per Year

Patents granted per year, 2015 to 2025Bar chart with a peak of 1 patents in 2015.peak 12015: 1 patents20152016: 1 patents20162021: 1 patents20212022: 1 patents20222023: 1 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12222188 Firearm handguard — 2025-02-11
11674775 Firearm handguard — 2023-06-13
11466944 Firearm bolt carrier group — 2022-10-11
11029115 Firing pin retainer and firearm operating system including same — 2021-06-08
D762805 Firearm buttstock — 2016-08-02
D733827 Firearm — 2015-07-07

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Carole Chapelat6
Mina Sedaghat6
Martinus Johannes Donatus Brakkee6