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

Valentin Cosman

WEWeiler Engineering: 3 patents #4 of 18Top 25%
Barrington, IL: #239 of 767 inventorsTop 35%
Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,457,409 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10793323 Container with tapered connector 2020-10-06
10363369 Ampoule with dual Luer fitting 2019-07-30
6619516 Hermetically sealed container with unitary drop-dispenser Gerhard H. Weiler 2003-09-16