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

David Hacker — 1 Patent in 2021

WAWalbro: 1 patents #23 of 46Top 50%
Cass City, MI: #6 of 7 inventorsTop 90%
Michigan: #3,301 of 9,874 inventorsTop 35%
Overall (2021): #484,667 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11008987 Venturi fluid pump with outlet flow controller Kenneth J. Cotton, Elton J. Fisch, Jeffrey D. Hanby, Kevin L. Israelson, Roger N. Smith 2021-05-18