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

Lee E. Huffman

Caterpillar: 2 patents #2,982 of 8,398Top 40%
Princeville, IL: #17 of 35 inventorsTop 50%
Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,248,542 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5895172 Control system and method for operating an asphalt paver screed burner system Conrad G. Grembowicz, Wade D. Samson 1999-04-20
5607254 Method and apparatus for automatically controlling the temperature of an asphalt paver screed Conrad G. Grembowicz, Wade D. Samson 1997-03-04