Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Benjamin R. Hazen — 2 Patents

INInterplastic: 2 patents #4 of 9Top 45%
Roseville, MN: #290 of 611 inventorsTop 50%
Minnesota: #24,068 of 52,454 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Benjamin R. Hazen has been granted 2 US patents while listed as an inventor at Interplastic. The first was granted in 2018 and the most recent in November 2021. Benjamin R. Hazen ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Benjamin R. Hazen in Roseville, MN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11180632 Unsaturated polyester resin system for cured in-place piping David J. Herzog, Louis R. Ross, Joel R. Weber 2021-11-23
10131766 Unsaturated polyester resin system for cured in-place piping David J. Herzog, Louis R. Ross, Joel R. Weber 2018-11-20