Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Nathan Stewart Cauldwell — 9 Patents in 2021

CBC.R. Bard: 6 patents #4 of 142Top 3%
DADavol: 2 patents #1 of 13Top 8%
Depuy Synthes Products: 1 patents #122 of 373Top 35%
Hope, RI: #1 of 4 inventorsTop 25%
Rhode Island: #12 of 654 inventorsTop 2%
Overall (2021): #9,699 of 548,734Top 2%
9 Patents 2021

Issued Patents 2021

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11191604 Surgical instrument with fastener preload lock-out Donald E. Ziniti, Derek Affonce, Justin Lewis, Augustus Felix, Talia D'Ambruoso 2021-12-07
11147550 Actuation lockout for a surgical instrument Kevin J. Ranucci 2021-10-19
11134928 Articulating surgical instruments Augustus Felix, Derek J. Leatzow, Derek Affonce, Kevin J. Ranucci, Tomas Matusaitis +1 more 2021-10-05
11103234 Articulating surgical instruments Augustus Felix, Derek J. Leatzow, Derek Affonce, Kevin J. Ranucci, Tomas Matusaitis +1 more 2021-08-31
11039916 Flexible tibial sheath Lisa M. Donnelly 2021-06-22
11013502 Articulating surgical instruments Kevin J. Ranucci, Augustus Felix 2021-05-25
11007030 Surgical instrument with fastener preload lock-out Donald E. Ziniti, Derek Affonce, Justin Lewis, Augustus Felix, Talia D'Ambruoso 2021-05-18
10993720 Power assist device for a surgical instrument Kevin J. Ranucci, Augustus Felix 2021-05-04
10932776 Surgical fasteners for articulating surgical instruments Augustus Felix, Derek Affonce, Kevin J. Ranucci 2021-03-02