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

William J. Ellis

CECascade Engineering: 1 patents #26 of 69Top 40%
Spring Park, MN: #11 of 24 inventorsTop 50%
Minnesota: #15,886 of 52,454 inventorsTop 35%
Overall (All Time): #1,260,160 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7118718 Gypsum decontamination process Clark Bailey 2006-10-10
5897935 System and method for fastening insulating layer to sheet material John Peter Vander Wal, Randolph Hundley Barnard, III, Paul Berklich 1999-04-27
5830371 Reusable fluid filter and adapter Gerald F. Smith 1998-11-03
5569373 Reusable fluid filter and adapter Gerald F. Smith 1996-10-29