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

Matthew J. Holwerda

CECascade Engineering: 4 patents #5 of 69Top 8%
Hudsonville, MI: #78 of 300 inventorsTop 30%
Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,289,629 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5557078 Acoustical barrier 1996-09-17
5483028 Acoustical barrier with decoupler 1996-01-09
5243153 Acoustical barrier with acoustical seal 1993-09-07
5162092 Gas-assisted injection molding with a carpet layer Keith P. Klobucar, Laurie A. Weeks, S. Noland Broaddus 1992-11-10