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

Lars O. Rosaen — 3 Patents in 2021

Comcast: 3 patents #91 of 737Top 15%
Hazel Park, MI: #1 of 5 inventorsTop 20%
Michigan: #971 of 9,874 inventorsTop 10%
Overall (2021): #73,606 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11175086 Venturi vacuum drawback assemblies and dual orifice venturi valve assemblies Peter E. Hackett 2021-11-16
D926942 Flow control plate Peter E. Hackett 2021-08-03
11035483 Dual orifice venturi vacuum drawback assemblies having air breather check valve Peter E. Hackett, Wesley Fowler 2021-06-15