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

David S. Langerud — 3 Patents

FMFmc: 2 patents #531 of 1,735Top 35%
ULUnited Defense Lp: 1 patents #48 of 134Top 40%
Solon, IA: #14 of 46 inventorsTop 35%
Iowa: #4,661 of 15,303 inventorsTop 35%
Overall (All Time): #1,639,124 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5756921 Weapon system gun port EMI-EMP seal Scott G. Dacko, Ronald A. Larson 1998-05-26
4446976 Reversible outrigger crane support Curtis Imerman, Brian H. Thomas 1984-05-08
4431074 Crane carbody and lower axle construction 1984-02-14