Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KS

Keith R. Schmidt — 10 Patents

Caterpillar: 10 patents #572 of 8,398Top 7%
Laura, IL: #2 of 4 inventorsTop 50%
Illinois: #9,022 of 84,256 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Keith R. Schmidt has been granted 10 US patents while listed as an inventor at Caterpillar. The first was granted in 1993 and the most recent in February 2016. Keith R. Schmidt ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Keith R. Schmidt in Laura, IL, US.

Patents per Year

Patents granted per year, 1993 to 2016Bar chart with a peak of 3 patents in 1996.peak 31993: 1 patents19931995: 1 patents19951996: 3 patents19961998: 1 patents19981999: 2 patents19992004: 1 patents20042016: 1 patents2016

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9255365 Compaction system 2016-02-09 $32,841,000
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 $27,148,000
5931881 Steering curve calibration method and apparatus for a rubber tired paver Craig R. Gustin 1999-08-03 $25,371,000
5787374 Propulsion control apparatus and method for a paver Alan L. Ferguson, Conrad G. Grembowicz 1998-07-28 $16,795,000
5575583 Apparatus and method for controlling the material feed system of a paver Conrad G. Grembowicz, Alan L. Ferguson 1996-11-19 $16,022,000
5568992 Screed control system for an asphalt paver and method of use Conrad G. Grembowicz, Alan L. Ferguson, Wade D. Samson 1996-10-29 $16,182,000
5494125 Track supporting roller apparatus Craig R. Gustin 1996-02-27 $10,965,000
5456331 Track supporting roller apparatus Craig R. Gustin 1995-10-10 $9,942,000
5222829 Screed assembly for an asphalt paving machine Jay A. Mogler, Wade D. Samson 1993-06-29 $10,258,000