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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David J. Shurtleff — 2 Patents

SKStandard Knapp: 2 patents #17 of 34Top 50%
Cromwell, CT: #58 of 129 inventorsTop 45%
Connecticut: #15,713 of 34,797 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David J. Shurtleff has been granted 2 US patents while listed as an inventor at Standard Knapp. All of these patents were granted in 2018. David J. Shurtleff ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David J. Shurtleff in Cromwell, CT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9957072 Process section of a packaging machine Patrick L. Nelson, David A. Kardok 2018-05-01
9938031 Method of processing a plurality of articles through a processing section of a packaging machine and method of reconfiguring a processing section of a packaging machine Patrick L. Nelson, David A. Kardok 2018-04-10