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USPTO Patent Rankings Data through Dec 31, 2025
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Valentin Cosman — 3 Patents

WEWeiler Engineering: 3 patents #4 of 18Top 25%
Barrington, IL: #241 of 767 inventorsTop 35%
Illinois: #26,899 of 84,256 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Valentin Cosman has been granted 3 US patents while listed as an inventor at Weiler Engineering. The first was granted in 2003 and the most recent in October 2020. Valentin Cosman ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Valentin Cosman in Barrington, IL, US.

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