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

Keith R. Schmidt

Caterpillar: 10 patents #570 of 8,398Top 7%
Laura, IL: #2 of 4 inventorsTop 50%
Illinois: #8,942 of 84,256 inventorsTop 15%
Overall (All Time): #512,081 of 4,157,543Top 15%
10 Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
9255365 Compaction system 2016-02-09
RE38632 Propulsion control apparatus and method for a paver Conrad G. Grembowicz, Alan L. Ferguson 2004-10-19
5938371 Fumes abatement system for an asphalt paving machine Craig R. Gustin 1999-08-17
5931881 Steering curve calibration method and apparatus for a rubber tired paver Craig R. Gustin 1999-08-03
5787374 Propulsion control apparatus and method for a paver Alan L. Ferguson, Conrad G. Grembowicz 1998-07-28
5575583 Apparatus and method for controlling the material feed system of a paver Conrad G. Grembowicz, Alan L. Ferguson 1996-11-19
5568992 Screed control system for an asphalt paver and method of use Conrad G. Grembowicz, Alan L. Ferguson, Wade D. Samson 1996-10-29
5494125 Track supporting roller apparatus Craig R. Gustin 1996-02-27
5456331 Track supporting roller apparatus Craig R. Gustin 1995-10-10
5222829 Screed assembly for an asphalt paving machine Jay A. Mogler, Wade D. Samson 1993-06-29