Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David W. Caldwell — 2 Patents in 2021

MSMaterial Handling Systems: 2 patents #2 of 14Top 15%
Holland, MI: #28 of 137 inventorsTop 25%
Michigan: #1,612 of 9,874 inventorsTop 20%
Overall (2021): #170,031 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11192145 Singulating system for parcels Gregory Robert Sturm, Jonathan Dean Terrell, Thomas A. Hillerich, Michael Alan McCue, Derek Robert Sturm 2021-12-07
10994309 System and method for identifying and transferring parcels from a first conveyor to a second conveyor Thomas A. Hillerich, Michael Alan McCue, Gregory Robert Sturm, Derek Robert Sturm 2021-05-04