Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DF

Douglas M. Friedman

The Boeing: 6 patents #1,862 of 15,756Top 15%
Irvine, CA: #1,551 of 6,241 inventorsTop 25%
California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #824,408 of 4,157,543Top 20%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D924119 Split winglet Dino L. Roman, John C. Vassberg, Adam P. Malachowski, Christopher A. Vegter 2021-07-06
9637226 Split winglet system Dino L. Roman, John C. Vassberg, Adam P. Malachowski, Christopher A. Vegter 2017-05-02
9463871 Winglet system having upper and lower winglet Dino L. Roman, John C. Vassberg, Adam P. Malachowski, Christopher A. Vegter 2016-10-11
9346537 Winglet system Dino L. Roman, John C. Vassberg, Adam P. Malachowski, Christopher A. Vegter 2016-05-24
9216817 Winglet system and method Dino L. Roman, John C. Vassberg, Adam P. Malachowski, Christopher A. Vegter 2015-12-22
8936219 Performance-enhancing winglet system and method Dino L. Roman, John C. Vassberg, Adam P. Malachowski, Christopher A. Vegter 2015-01-20