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USPTO Patent Rankings Data through Dec 31, 2025
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David Duryea — 1 Patent

BFBaldwin Filters: 1 patents #35 of 56Top 65%
Franklin, TN: #341 of 577 inventorsTop 60%
Tennessee: #11,054 of 20,272 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
David Duryea has been granted 1 US patent while listed as an inventor at Baldwin Filters. All of these patents were granted in 2025. David Duryea ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David Duryea in Franklin, TN, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12257536 Heat activated adhesive for filters that may contain multiple elements Farrell F. Calcaterra, Charles R. Wick, Simon Ritchie 2025-03-25

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