Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DA

David Ash — 4 Patents

UTUtilimaster: 2 patents #2 of 12Top 20%
Warsaw, IN: #257 of 777 inventorsTop 35%
Indiana: #8,632 of 33,936 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Ash has been granted 4 US patents while listed as an inventor at Utilimaster. The first was granted in 2002 and the most recent in May 2010. David Ash ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Ash in Warsaw, IN, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7714708 Smart pallet-box cargo container Rogers F. Brackmann, Jay R. Brackmann, Dennis Kossnar, Jacques M. Dulin 2010-05-11
7482928 Mini pallet-box moving container Rogers F. Brackmann, Jay R. Brackmann, Dennis Kossnar, Jacques M. Dulin 2009-01-27
6487979 Stowable shelf assembly John E. Knudtson, DeRay G. Steffensen, Gene A. Dylewski 2002-12-03
6398283 Movable cargo tray apparatus John E. Knudtson, DeRay G. Steffensen, Gene A. Dylewski, Nevin L. Martin, Jr. 2002-06-04