Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Dennis J. Willis — 6 Patents

MSMts Systems: 6 patents #19 of 224Top 9%
Bloomington, MN: #252 of 1,157 inventorsTop 25%
Minnesota: #11,902 of 52,454 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Dennis J. Willis has been granted 6 US patents while listed as an inventor at Mts Systems. The first was granted in 1996 and the most recent in April 2012. Dennis J. Willis ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Dennis J. Willis in Bloomington, MN, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8156824 Mechanism arrangement for orthopedic simulator Bradley D. Schulz, Paul J. Leska, Sr., Harold F. Fahrendorff 2012-04-17 $4,456,000
7913573 Orthopedic simulator with a multi-axis slide table assembly Bradley D. Schulz, Paul J. Leska, Sr., Harold F. Fahrendorff 2011-03-29 $3,803,000
7824184 Integrated central manifold for orthopedic simulator Bradley D. Schulz, Paul J. Leska, Sr., Harold F. Fahrendorff 2010-11-02 $2,532,000
7762147 Orthopedic simulator with integral load actuators Bradley D. Schulz, Paul J. Leska, Sr., Harold F. Fahrendorff 2010-07-27 $2,241,000
7617744 Transmission for torque transfer with axial compliance Bradley D. Schulz, Paul J. Leska, Sr., Harold F. Fahrendorff 2009-11-17 $3,597,000
5481907 Tire testing system having focused links reducing cosine errors David G. Chasco 1996-01-09 $915,000