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

John C. Handelman — 2 Patents

Ford: 2 patents #6,445 of 17,473Top 40%
Canton, MI: #1,059 of 2,230 inventorsTop 50%
Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,280,446 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5539981 Method for inserting cylinder liners into internal combustion engine cylinder blocks Jimmy R. Burcham, Thomas E. Pearson 1996-07-30
5471738 Robotic system for inserting cylinder liners into internal combustion engine cylinder blocks Jimmy R. Burcham, Thomas E. Pearson 1995-12-05