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

Charles R. DeVries — 5 Patents

LSLear Siegler: 2 patents #14 of 111Top 15%
MRMannesmann Dematic Rapistan: 1 patents #9 of 31Top 30%
MSMeridian Automotive Systems: 1 patents #7 of 21Top 35%
RARapistan Systems Advertising: 1 patents #33 of 82Top 45%
Grand Rapids, MI: #368 of 1,824 inventorsTop 25%
Michigan: #18,390 of 86,293 inventorsTop 25%
Overall (All Time): #1,036,576 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6932311 Compact container holder Lance King, Larry Hirdning, Larry Gaspar 2005-08-23
6846153 Tray destacker Ricardo N. Schiesser, Robert L. Stone, Jeffrey D. Price 2005-01-25
5810154 Low actuation force article sensor for conveyor Gerald A. Brouwer 1998-09-22
4564105 Tilted spiral article diverter Gerald A. Brouwer 1986-01-14
4441607 Mode changing means for accumulator conveyors Clyde L. Bowman, Charles W. Saur 1984-04-10